Service Manual 3 6l Engine Service Information PDF

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2012 Dodge Grand Caravan 3.6L Eng SE

Service Manual: 3.6L ENGINE - SERVICE INFORMATION
CYLINDER HEAD > REMOVAL > LEFT
Fig 1: Magnetic Timing Wheels
Courtesy of CHRYSLER GROUP, LLC
CAUTION:
The magnetic timing wheels (1) must not come in contact with magnets (pickup tools,
trays, etc.) or any other strong magnetic field. This will destroy the timing wheels ability
to correctly relay camshaft position to the camshaft position sensor.
http://www2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=tru... 5/8/2016
Fig 2: Belly Pan & Fasteners
1. Perform the fuel pressure release procedure. Refer to FUEL SYSTEM PRESSURE
RELEASE PROCEDURE .
2. Disconnect and isolate the negative battery cable.
3. Raise and support the vehicle. Refer to HOISTING, STANDARD PROCEDURE .
4. Remove the belly pan. Refer to UNDER BODY PROTECTION .
5. Drain the cooling system. Refer to STANDARD PROCEDURE .
6. Drain the engine oil. Refer to Engine/Lubrication/OIL - Standard Procedure .
Fig 3: Engine Cover
7. Lower the vehicle.
8. Remove the engine cover (1).
9. Recover the refrigerant from the refrigerant system. Refer to PLUMBING, FRONT,
STANDARD PROCEDURE .
Fig 4: Air Cleaner Body, Fresh Air Makeup Hose, Clamp & Nut
10. Remove the air cleaner body (1). Refer to BODY, AIR CLEANER, REMOVAL .
Fig 5: Inlet Air Temperature (IAT) Sensor Connector, Clamp & Push Pin
11. Remove the resonator. Refer to RESONATOR, AIR CLEANER, REMOVAL .
Fig 6: Heater Core Return Hose
12. Disconnect the heater core return hose (1).
Fig 7: Left Upstream Oxygen Sensor Connector, Upper Wire Harness Retainers &
Lower Wire Harness Retainers
13. Disconnect the left upstream oxygen sensor connector (1) from the main wire harness.
14. Disengage two upper wire harness retainers (2) from the intake manifold support
brackets.
15. Disengage two lower wire harness retainers (3) from the intake manifold support
brackets.
Fig 8: Heater Core Return Tube, Nut & Bolt
16. Remove the nut (2), bolt (3) and the heater core return tube (1).
Fig 9: Oil Level Indicator Tube & Bolt
17. Remove the bolt (2) and the oil level indicator tube (1).
Fig 10: Upper Intake Manifold & Bolts
18. Remove the upper and lower intake manifolds (2) and insulator. Refer to MANIFOLD,
INTAKE, REMOVAL .
Fig 11: Left Intake Manifold Support Brackets & Retaining Bolts
19. Remove the bolts (2) and remove the LH upper intake manifold support brackets (1).
Fig 12: Belt Tensioner, Accessory Drive Belt & Belt Routing
20. Remove the accessory drive belt (7). Refer to BELT, SERPENTINE, REMOVAL .
Fig 13: Generator Fasteners & Generator
21. Remove the generator (2). Refer to GENERATOR, REMOVAL .
Fig 14: A/C Compressor & Fasteners
22. Remove the A/C compressor (1) from the engine compartment. Refer to
COMPRESSOR, A/C, REMOVAL .
Fig 15: Engine Injection/Ignition Harness & Engine Oil Pressure/Temperature Harness
23. Disconnect the ignition coil capacitor electrical connector.
24. Disconnect the Engine Coolant Temperature (ECT) sensor connector.
25. Disconnect the main harness from the engine injection/ignition harness (1) at the rear of
the left cylinder head.
26. Disconnect the main harness from the engine oil pressure/temperature harness (2) at
the rear of the left cylinder head.
27. Remove the spark plugs. Refer to SPARK PLUG, REMOVAL .
28. Remove the cylinder head covers, lower and upper oil pans, crankshaft vibration
damper and engine timing cover. Refer to COVER(S), ENGINE TIMING, REMOVAL .
Fig 16: Rotating Crankshaft Clockwise To Position No. 1 Piston At TDC On Exhaust
Stroke
CAUTION:
When aligning timing marks, always rotate engine by turning the crankshaft.
Failure to do so will result in valve and/or piston damage.
29. Rotate the crankshaft CW to place the number one piston at TDC on the exhaust stroke
by aligning the dimple (4) on the crankshaft with the block/bearing cap junction (5). The
left side cam phaser arrows (2) should point toward each other and be parallel to the
valve cover sealing surface (3). The right side cam phaser arrows (7) should point away
from each other and the scribe lines (9) should be parallel to the valve cover sealing
surface (8).
CAUTION:
Always reinstall timing chains so that they maintain the same direction of
rotation. Inverting a previously run chain on a previously run sprocket will result
in excessive wear to both the chain and sprocket.
30. Mark the direction of rotation on the timing chain using a paint pen or equivalent to aid in
reassembly.
Fig 17: Resetting Left Cam Chain Tensioner
CAUTION:
When the timing chains are removed and the cylinder heads are still installed,
DO NOT rotate the camshafts or crankshaft without first locating the proper
crankshaft position. Failure to do so will result in valve and/or piston damage.
31. Reset the LH cam chain tensioner by lifting the pawl (1), pushing back the piston (2) and
installing Tensioner Pin (special tool #8514, Pins, Tensioner) (3). Refer to Engine/Valve
Timing - Standard Procedure .
Fig 18: Phaser Timing Marks, Oil Control Valves & LH Camshaft Phaser Lock
NOTE:
Minor rotation of a camshaft (a few degrees) may be required to install the

camshaft phaser lock.
32. Install the LH Camshaft Phaser Lock (special tool #10202, Locks, Camshaft/Phaser) (4).
33. Loosen both the intake oil control valve (6) and exhaust oil control valve (2).
34. Remove the LH Camshaft Phaser Lock (special tool #10202, Locks, Camshaft/Phaser)
(4).
35. Remove the oil control valve (2) from the left side exhaust cam phaser and pull the
phaser off of the camshaft.
36. Remove the oil control valve (6) from the left side intake cam phaser and pull the phaser
off of the camshaft.
Fig 19: Left Cam Chain Tensioner, Arm, Guide & Bolts
37. Remove the LH cam chain tensioner arm (1).
38. Remove two T30 bolts (6) and the LH cam chain tensioner (5).
39. Remove two T30 bolts (4) and the LH cam chain guide (2).
Fig 20: Cylinder Head Retaining Bolt Removal Sequence - Left
40. Remove the left camshafts. Refer to CAMSHAFT, ENGINE, REMOVAL .
NOTE:
If the rocker arms are to be reused, identify their positions so that they can be
reassembled into their original locations.
41. Remove the rocker arms. Refer to ROCKER ARM, VALVE, REMOVAL .
NOTE:
If the hydraulic lifters are to be reused, identify their positions so that they can
be reassembled into their original locations.
42. If required, remove the hydraulic lifters. Refer to LIFTER(S), HYDRAULIC, REMOVAL .
43. Using the sequence shown in illustration, remove the cylinder head retaining bolts.
Fig 21: Head Gasket & Locating Dowels
NOTE:
Right head gasket shown in illustration, left head gasket similar.
WARNING:
The multi-layered steel head gaskets have very sharp edges that could cause
personal injury if not handled carefully.
NOTE:
The head gasket (1) crimps the locating dowels (2) and the dowels may pull out
of the engine block when the head gasket is removed.
CAUTION:
Do not lay the cylinder head on its gasket sealing surface, due to the design of
the cylinder head gasket, any distortion to the cylinder head sealing surface
may prevent the gasket from properly sealing resulting in leaks.
44. Remove the cylinder head and gasket (1). Discard the gasket.
Fig 22: ECT Sensor, Ignition Coil Capacitor, Engine Wire Harness Retainer Bracket &
Bolts
45. If required, remove the Engine Coolant Temperature (ECT) sensor (4).
46. If required, remove the bolt (2) and the ignition coil capacitor (1).
47. If required, remove the bolt (3) and the engine wire harness retainer bracket (5).
CYLINDER HEAD > REMOVAL > RIGHT
CAUTION:
1. Perform the fuel pressure release procedure. Refer to FUEL SYSTEM PRESSURE
RELEASE PROCEDURE .
2. Disconnect and isolate the negative battery cable.
4. Remove the belly pan. Refer to UNDER BODY PROTECTION .
5. Drain the cooling system. Refer to STANDARD PROCEDURE .
6. Drain the engine oil. Refer to Engine/Lubrication/OIL - Standard Procedure .
Fig 3: Engine Cover
8. Remove the engine cover (1).
9. Recover the refrigerant from the refrigerant system. Refer to PLUMBING, FRONT,
STANDARD PROCEDURE .
10. Remove the air cleaner body (1). Refer to BODY, AIR CLEANER, REMOVAL .
11. Remove the resonator (1). Refer to RESONATOR, AIR CLEANER, REMOVAL .
12. Remove the upper and lower intake manifolds (2) and insulator. Refer to MANIFOLD,
INTAKE, REMOVAL .
13. Remove the accessory drive belt (7). Refer to BELT, SERPENTINE, REMOVAL .
Fig 8: Power Steering Pump Heat Shield & Bolts
14. Remove three bolts (2) and the power steering pump heat shield (1).
Fig 9: Power Steering Pump Bracket Bolts & Retainers
15. Disengage the wire harness retainer (2) from the power steering pump.
16. Remove three bolts (1) and reposition the power steering pump and bracket as an
assembly. Do not disconnect the power steering lines from the pump.
Fig 10: Heater Core Supply Tube Support Bracket & Retaining Bolt
17. Remove two bolts (2) and the heater core supply tube (1).
Fig 11: Camshaft Position (CMP) Sensor Connector & Harness Retainers
18. Disconnect the ignition coil capacitor electrical connector.
19. Disengage the wire harness retainer (3) from the intake manifold support bracket.
20. Remove the studbolt (2) and remove the upper intake manifold support bracket.
21. Remove the spark plugs. Refer to SPARK PLUG, REMOVAL .
22. Remove the cylinder head covers, lower and upper oil pans, crankshaft vibration
damper and engine timing cover. Refer to COVER(S), ENGINE TIMING, REMOVAL .
Stroke
CAUTION:
When aligning timing marks, always rotate engine by turning the crankshaft.
Failure to do so will result in valve and/or piston damage.
23. Rotate the crankshaft CW to place the number one piston at TDC on the exhaust stroke
by aligning the dimple (4) on the crankshaft with the block/bearing cap junction (5). The
left side cam phaser arrows (2) should point toward each other and be parallel to the
valve cover sealing surface (3). The right side cam phaser arrows (7) should point away
from each other and the scribe lines (9) should be parallel to the valve cover sealing
surface (8).
CAUTION:
24. Mark the direction of rotation on the timing chain using a paint pen or equivalent to aid in
reassembly.
Fig 13: Resetting Right Cam Chain Tensioner
CAUTION:
When the timing chains are removed and the cylinder heads are still installed,
DO NOT rotate the camshafts or crankshaft without first locating the proper
crankshaft position. Failure to do so will result in valve and/or piston damage.
25. Reset the RH cam chain tensioner by pushing back the tensioner piston and installing
Tensioner Pin (special tool #8514, Pins, Tensioner) (1).
Fig 14: Phaser Timing Marks, Oil Control Valves & RH Camshaft Phaser Lock
NOTE:

camshaft phaser lock.
26. Install the RH Camshaft Phaser Lock (special tool #10202, Locks, Camshaft/Phaser)
(5).
27. Loosen both the intake oil control valve (2) and exhaust oil control valve (7).
28. Remove the RH Camshaft Phaser Lock (special tool #10202, Locks, Camshaft/Phaser)
(5).
29. Remove the oil control valve (2) from the right side intake cam phaser and pull the
30. Remove the oil control valve (7) from the right side exhaust cam phaser and pull the
Fig 15: Right Cam Chain Tensioner, Arm, Guide & Bolts
31. Remove the RH cam chain tensioner arm (6).
32. Remove two T30 bolts (4) and the RH cam chain tensioner (3).
33. Remove three T30 bolts (2) and the RH cam chain guide (1).
Fig 16: Cylinder Head Retaining Bolt Removal Sequence - Right
34. Remove the right camshafts. Refer to CAMSHAFT, ENGINE, REMOVAL .
NOTE:
If the rocker arms are to be reused, identify their positions so that they can be
reassembled into their original locations.
35. Remove the rocker arms. Refer to ROCKER ARM, VALVE, REMOVAL .
NOTE:
If the hydraulic lifters are to be reused, identify their positions so that they can
be reassembled into their original locations.
36. If required, remove the hydraulic lifters. Refer to LIFTER(S), HYDRAULIC, REMOVAL .
37. Using the sequence shown in illustration, remove the cylinder head retaining bolts.
WARNING:
NOTE:
The head gasket (1) crimps the locating dowels (2) and the dowels may pull out
of the engine block when the head gasket is removed.
38. Remove the cylinder head and gasket. Discard the gasket.
CAUTION:
Do not lay the cylinder head on its gasket sealing surface, due to the design of
the cylinder head gasket, any distortion to the cylinder head sealing surface
may prevent the gasket from properly sealing resulting in leaks.
Fig 18: Ignition Coil Capacitor & Bolt
39. If required, remove the bolt (2) and the ignition coil capacitor (1).
CYLINDER HEAD > INSTALLATION > LEFT
CAUTION:
Fig 2: ECT Sensor, Ignition Coil Capacitor, Engine Wire Harness Retainer Bracket & Bolts
1. If removed, install the Engine Coolant Temperature (ECT) sensor (4) and tighten to 11
N.m (97 in. lbs.).
2. If removed, install the ignition coil capacitor (1) with a M6 bolt (2) tightened to 10 N.m
(89 in. lbs.).
3. If removed, install the engine wire harness retainer bracket (5) with a T30 bolt (3)
tightened to 12 N.m (106 in. lbs.).
Fig 3: Checking Cylinder Head Bolts For Stretching (Necking)
CAUTION:
The cylinder head bolts are tightened using a torque plus angle procedure. The
bolts must be examined BEFORE reuse. If the threads are necked down the
bolts must be replaced.
NOTE:
Typical cylinder head bolt shown in illustration.
4. Check cylinder head bolts for necking by holding a scale or straight edge against the
threads. If all the threads do not contact the scale (2) the bolt must be replaced.
NOTE:
Right head gasket shown in illustration, left head gasket similar.
CAUTION:
When cleaning cylinder head and cylinder block surfaces, DO NOT use a metal
scraper because the surfaces could be cut or ground. Use ONLY a wooden or
plastic scraper.
5. Clean and prepare the gasket sealing surfaces of the cylinder head and block. Refer to
Engine - Standard Procedure .
CAUTION:
Non-compressible debris such as oil, coolant or RTV sealants that are not
removed from bolt holes can cause the aluminum casting to crack when
tightening the bolts.
6. Clean out the cylinder head bolt holes in the engine block.
WARNING:
CAUTION:
The cylinder head gaskets are not interchangeable between the left and right
cylinder heads and are clearly marked (3) with "R" for right and "L" for left.
7. Position the new cylinder head gasket (1) on the locating dowels (2).
Fig 5: Cylinder Head Retaining Bolt Tightening Sequence - Left
8. Position the cylinder head onto the cylinder block. Make sure the cylinder head seats
fully over the locating dowels.
NOTE:
Do not apply any additional oil to the bolt threads.
9. Install the eight head bolts finger tight.
10. Tighten the cylinder head bolts in the sequence shown in illustration, following this 9
step torque plus angle method. Tighten according to the following torque values:
1. Step 1: All to 30 N.m (22 ft. lbs.)
3. Step 3: All + 75° Turn Do not use a torque wrench for this step.
5. Step 5: Loosen all fasteners in reverse of sequence shown in illustration
Fig 6: Positioning Camshaft Alignment Holes Vertically
NOTE:
If the hydraulic lifters are being reused, reassemble them into their original
locations.
11. If removed, install the hydraulic lifters. Refer to LIFTER(S), HYDRAULIC,

INSTALLATION .
NOTE:
If the rocker arms are being reused, reassemble them into their original
locations.
12. Install the rocker arms and camshafts. Refer to CAMSHAFT, ENGINE,
INSTALLATION .
13. Rotate the camshafts CW to TDC by positioning the alignment holes (1) vertically.
Fig 7: Left Cam Chain Tensioner, Arm, Guide & Bolts
14. Install the LH cam chain guide (2) with two bolts (4). Tighten the T30 bolts (4) to 12 N.m
(106 in. lbs.).
15. Install the LH cam chain tensioner (5) to the cylinder head with two bolts (6). Tighten the
T30 bolts (6) to 12 N.m (106 in. lbs.).
16. Reset the LH cam chain tensioner (5) by lifting the pawl (3), pushing back the piston and
installing Tensioner Pin (special tool #8514, Pins, Tensioner) (7). Refer to Engine/Valve
Timing - Standard Procedure .
17. Install the LH tensioner arm (1).

Fig 8: Idler Sprocket, Plated Link & Arrow
18. Press the LH intake cam phaser onto the intake camshaft. Install and hand tighten the
oil control valve.
CAUTION:
19. Drape the left side cam chain over the LH intake cam phaser and onto the idler sprocket
(1) so that the arrow (3) is aligned with the plated link (2) on the cam chain.
Fig 9: Phaser Timing Marks, Oil Control Valves & LH Camshaft Phaser Lock
20. While maintaining this alignment, route the cam chain around the exhaust and intake
cam phasers so that the plated links are aligned with the phaser timing marks (1).
Position the left side cam phasers so that the arrows (3) point toward each other and are
parallel to the valve cover sealing surface (5). Press the exhaust cam phaser onto the
exhaust cam, install and hand tighten the oil control valve (2).
NOTE:

camshaft phaser or phaser lock.
21. Install the LH Camshaft Phaser Lock (special tool #10202, Locks, Camshaft/Phaser) (4)
and tighten the oil control valves (2) and (6) to 150 N.m (110 ft. lbs.).
Stroke
22. Remove the LH Camshaft Phaser Lock (special tool #10202, Locks, Camshaft/Phaser).
23. Remove the Tensioner Pin (special tool #8514, Pins, Tensioner) (1) from the LH cam
chain tensioner.
24. Rotate the crankshaft CW two complete revolutions stopping when the dimple (4) on the
crankshaft is aligned the with the block/bearing cap junction (5).
25. While maintaining this alignment, verify that the arrows on the left side cam phasers (2)
point toward each other and are parallel to the valve cover sealing surface (3) and that
the right side cam phaser arrows (7) point away from each other and the scribe lines (9)
are parallel to the valve cover sealing surface (8).
Fig 11: Chain Pins, Exhaust Cam Phaser Triangle Marking & Circle Marking
26. There should be 12 chain pins (2) between the exhaust cam phaser triangle marking (1)
and the intake cam phaser circle marking (3).
27. If the engine timing is not correct, repeat this procedure.
28. Install the engine timing cover, crankshaft vibration damper, upper and lower oil pans
and cylinder head covers. Refer to COVER(S), ENGINE TIMING, INSTALLATION .
Fig 12: Engine Injection/Ignition Harness & Engine Oil Pressure/Temperature Harness
29. Install the spark plugs. Tighten to 17.5 N.m (13 ft. lbs.). Refer to SPARK PLUG,
INSTALLATION .
30. Connect the main harness to the engine oil pressure/temperature harness (2) at the rear
of the left cylinder head.
31. Connect the main harness to the engine injection/ignition harness (1) at the rear of the
left cylinder head.
32. Connect the Engine Coolant Temperature (ECT) sensor connector.
33. Connect the ignition coil capacitor electrical connector.
Fig 13: A/C Compressor & Fasteners
34. Install the A/C compressor (1) from the engine compartment. Refer to COMPRESSOR,
A/C, INSTALLATION .
Fig 14: Generator Fasteners & Generator
35. Remove the generator (2). Refer to GENERATOR, INSTALLATION .
36. Remove the accessory drive belt (7). Refer to BELT, SERPENTINE, INSTALLATION .
Fig 16: Left Intake Manifold Support Brackets & Retaining Bolts
37. Install the LH upper intake manifold support brackets (1). Loosely install the studbolts
(2).
38. Install the lower and upper intake manifolds (2) and insulator. Refer to MANIFOLD,
INTAKE, INSTALLATION .
Fig 18: Oil Level Indicator Tube & Bolt
39. Install the oil level indicator tube (1) and the bolt (2). Tighten bolt (2) to 12 N.m (106 in.
lbs.).
Fig 19: Heater Core Return Tube, Nut & Bolt
40. Install the heater core return tube (1) the nut (2), and bolt (3). Tighten nut (2) and bolt (3)
12 N.m (106 in. lbs.).
Fig 20: Left Upstream Oxygen Sensor Connector, Upper Wire Harness Retainers &
Lower Wire Harness Retainers
41. Engage two lower wire harness retainers (3) from the intake manifold support brackets.
42. Engage two upper wire harness retainers (2) from the intake manifold support brackets.
43. Connect the left upstream oxygen sensor connector (1) to the main wire harness.
Fig 21: Heater Core Return Hose
44. Connect the heater core return hose (1).
45. Install the resonator. Refer to RESONATOR, AIR CLEANER, INSTALLATION .
46. Install the air cleaner body (1). Refer to BODY, AIR CLEANER, INSTALLATION .
Fig 24: Engine Cover
47. Evacuate and charge the refrigerant system. Refer to PLUMBING, FRONT, STANDARD
PROCEDURE .
48. Install the engine cover (1).
49. If removed, install the oil filter and fill the engine crankcase with the proper oil to the
correct level. Refer to Engine/Lubrication/OIL - Standard Procedure .
50. Fill the cooling system. Refer to STANDARD PROCEDURE .
52. Install the belly pan. Refer to UNDER BODY PROTECTION .
54. Connect the negative battery cable and tighten nut to 5 N.m (45 in. lbs.).
55. Run the engine until it reaches normal operating temperature. Check cooling system for
correct fluid level. Refer to STANDARD PROCEDURE .
NOTE:
The Cam/Crank Variation Relearn procedure must be performed using the scan tool
anytime there has been a repair/replacement made to a powertrain system, for example:
flywheel, valvetrain, camshaft and/or crankshaft sensors or components.
CYLINDER HEAD > INSTALLATION > RIGHT
CAUTION:
Fig 2: Ignition Coil Capacitor & Bolt
1. If removed, install the ignition coil capacitor (1) with a M6 bolt (2) tightened to 10 N.m
(89 in. lbs.).
Fig 3: Checking Cylinder Head Bolts For Stretching (Necking)
CAUTION:
The cylinder head bolts are tightened using a torque plus angle procedure. The
bolts must be examined BEFORE reuse. If the threads are necked down the
bolts must be replaced.
NOTE:
Typical cylinder head bolt shown in illustration.
2. Check cylinder head bolts for necking by holding a scale or straight edge against the
threads. If all the threads do not contact the scale (2) the bolt must be replaced.
CAUTION:
When cleaning cylinder head and cylinder block surfaces, DO NOT use a metal
scraper because the surfaces could be cut or ground. Use ONLY a wooden or
plastic scraper.
3. Clean and prepare the gasket sealing surfaces of the cylinder head and block. Refer to
Engine - Standard Procedure .
CAUTION:
Non-compressible debris such as oil, coolant or RTV sealants that are not
removed from bolt holes can cause the aluminum casting to crack when
tightening the bolts.
4. Clean out the cylinder head bolt holes in the engine block.
WARNING:
CAUTION:
The cylinder head gaskets are not interchangeable between the left and right
cylinder heads and are clearly marked (3) with "R" for right and "L" for left.
5. Position the new cylinder head gasket (1) on the locating dowels (2).
Fig 5: Cylinder Head Retaining Bolt Tightening Sequence - Right
6. Position the cylinder head onto the cylinder block. Make sure the cylinder head seats
fully over the locating dowels.
NOTE:
Do not apply any additional oil to the bolt threads.
7. Install the eight head bolts finger tight.
8. Tighten the cylinder head bolts in the sequence shown in illustration, following this 9
step torque plus angle method. Tighten according to the following torque values:
5. Step 5: Loosen all fasteners in reverse of sequence shown in illustration
Fig 6: Positioning Camshaft Alignment Holes Vertically
NOTE:
If the hydraulic lifters are being reused, reassemble them into their original
locations.
9. If removed, install the hydraulic lifters. Refer to LIFTER(S), HYDRAULIC,

INSTALLATION .
NOTE:
If the rocker arms are being reused, reassemble them into their original
locations.
10. Install the rocker arms and camshafts. Refer to CAMSHAFT, ENGINE,
INSTALLATION .
CAUTION:
Do not rotate the camshafts more than a few degrees independently of the
crankshaft. Valve to piston contact could occur resulting in possible valve
damage. If the camshafts need to be rotated more than a few degrees, first
move the pistons away from the cylinder heads by rotating the crankshaft
counterclockwise to a position 30° before-top-dead-center. Once the camshafts
are returned to their top-dead-center position, rotate the crankshaft clockwise to
return the crankshaft to top-dead-center.
11. Verify that the camshafts are set at TDC by positioning the alignment holes (1) vertically.
Fig 7: Right Cam Chain Tensioner, Arm, Guide & Bolts
12. Install the RH cam chain guide (1) with three bolts (2). Tighten the T30 bolts (2) to 12
N.m (106 in. lbs.).
13. Install the RH cam chain tensioner (3) to the engine block with two bolts (4). Tighten the
T30 bolts (4) to 12 N.m (106 in. lbs.).
14. Reset the RH cam chain tensioner (3) by pushing back the tensioner piston and
installing Tensioner Pin (special tool #8514, Pins, Tensioner) (5).
15. Install the RH tensioner arm (6).

Fig 8: Idler Sprocket, Dimple & Plated Link
16. Press the RH exhaust cam phaser onto the exhaust camshaft. Install and hand tighten
the oil control valve.
CAUTION:
17. Drape the right side cam chain over the RH exhaust cam phaser and onto the idler
sprocket (1) so that the dimple (2) is aligned with the plated link (3) on the cam chain.
Fig 9: Phaser Timing Marks, Oil Control Valves & RH Camshaft Phaser Lock
18. While maintaining this alignment, route the cam chain around the exhaust and intake
cam phasers so that the plated links are aligned with the phaser timing marks (1).
Position the right side cam phasers so that the arrows (3) point away from each other
and the scribe lines (4) are parallel to the valve cover sealing surface (6). Press the
intake cam phaser onto the intake cam, install and hand tighten the oil control valve (2).
NOTE:

camshaft phaser or phaser lock.
19. Install the RH Camshaft Phaser Lock (special tool #10202, Locks, Camshaft/Phaser) (5)
and tighten the oil control valves (2) and (7) to 150 N.m (110 ft. lbs.).
Stroke
20. Remove the RH Camshaft Phaser Lock (special tool #10202, Locks, Camshaft/Phaser).
21. Remove the Tensioner Pin (special tool #8514, Pins, Tensioner) (6) from the RH cam
chain tensioner.
22. Rotate the crankshaft CW two complete revolutions stopping when the dimple (4) on the
crankshaft is aligned the with the block/bearing cap junction (5).
23. While maintaining this alignment, verify that the arrows on the left side cam phasers (2)
point toward each other and are parallel to the valve cover sealing surface (3) and that
the right side cam phaser arrows (7) point away from each other and the scribe lines (9)
are parallel to the valve cover sealing surface (8).
Fig 11: Chain Pins, Exhaust Cam Phaser Triangle Marking & Circle Marking
24. There should be 12 chain pins (2) between the exhaust cam phaser triangle marking (1)
and the intake cam phaser circle marking (3).
25. If the engine timing is not correct, repeat this procedure.
26. Install the engine timing cover, crankshaft vibration damper, upper and lower oil pans
and cylinder head covers. Refer to COVER(S), ENGINE TIMING, INSTALLATION .
Fig 12: Camshaft Position (CMP) Sensor Connector & Harness Retainers
27. Install the spark plugs. Tighten to 17.5 N.m (13 ft. lbs.). Refer to SPARK PLUG,
INSTALLATION .
28. Install the upper intake manifold support bracket (2) with the studbolt (3) hand tight.
29. Engage the wire harness retainer (3) from the intake manifold support bracket.
30. Connect the ignition coil capacitor electrical connector.
Fig 13: Heater Core Supply Tube Support Bracket & Retaining Bolt
31. Install the heater core supply tube (1) with one bolt (2) tightened to 12 N.m (106 in. lbs.).
Fig 14: Power Steering Pump Bracket Bolts & Retainers
32. Reposition the power steering pump and bracket as an assembly and install three bolts
(1). Tighten bolts (1) to 25 N.m (18 ft. lbs.).
33. Disengage the wire harness retainer (2) from the power steering pump.
Fig 15: Power Steering Pump Heat Shield & Bolts
34. Install the power steering pump heat shield (1) and three bolts (2). Tighten bolts to 25
N.m (18 ft. lbs.).
35. Install the accessory drive belt (7). Refer to BELT, SERPENTINE, INSTALLATION .
36. Install the upper and lower intake manifolds (2) and insulator. Refer to MANIFOLD,
INTAKE, INSTALLATION .
37. Install the resonator (1). Refer to RESONATOR, AIR CLEANER, INSTALLATION .
38. Install the air cleaner body (1). Refer to BODY, AIR CLEANER, INSTALLATION .
Fig 20: Engine Cover
39. Evacuate and charge the refrigerant system. Refer to PLUMBING, FRONT, STANDARD
PROCEDURE .
40. Install the engine cover (1).
41. If removed, install the oil filter and fill the engine crankcase with the proper oil to the
correct level. Refer to Engine/Lubrication/OIL - Standard Procedure .
42. Fill the cooling system. Refer to STANDARD PROCEDURE .
44. Install the belly pan. Refer to UNDER BODY PROTECTION .
46. Connect the negative battery cable and tighten nut to 5 N.m (45 in. lbs.).
47. Run the engine until it reaches normal operating temperature. Check cooling system for
correct fluid level. Refer to STANDARD PROCEDURE .
NOTE:
The Cam/Crank Variation Relearn procedure must be performed using the scan tool
anytime there has been a repair/replacement made to a powertrain system, for example:
flywheel, valvetrain, camshaft and/or crankshaft sensors or components.

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2012 Dodge Grand Caravan 3.6L Eng SE

Fig 1: Magnetic Timing Wheels

Courtesy of CHRYSLER GROUP, LLC

Fig 2: Belly Pan & Fasteners

Courtesy of CHRYSLER GROUP, LLC

2. Disconnect and isolate the negative battery cable.

3. Raise and support the vehicle. Refer to HOISTING, STANDARD PROCEDURE .

4. Remove the belly pan. Refer to UNDER BODY PROTECTION .

5. Drain the cooling system. Refer to STANDARD PROCEDURE .

6. Drain the engine oil. Refer to Engine/Lubrication/OIL - Standard Procedure .

Fig 3: Engine Cover

Courtesy of CHRYSLER GROUP, LLC

7. Lower the vehicle.

8. Remove the engine cover (1).

Courtesy of CHRYSLER GROUP, LLC

Courtesy of CHRYSLER GROUP, LLC

11. Remove the resonator. Refer to RESONATOR, AIR CLEANER, REMOVAL .

Fig 6: Heater Core Return Hose

Courtesy of CHRYSLER GROUP, LLC

12. Disconnect the heater core return hose (1).

Courtesy of CHRYSLER GROUP, LLC

Fig 8: Heater Core Return Tube, Nut & Bolt

Courtesy of CHRYSLER GROUP, LLC

Fig 9: Oil Level Indicator Tube & Bolt

Courtesy of CHRYSLER GROUP, LLC

Fig 10: Upper Intake Manifold & Bolts

Courtesy of CHRYSLER GROUP, LLC

Courtesy of CHRYSLER GROUP, LLC

Courtesy of CHRYSLER GROUP, LLC

Fig 13: Generator Fasteners & Generator

Courtesy of CHRYSLER GROUP, LLC

21. Remove the generator (2). Refer to GENERATOR, REMOVAL .

Fig 14: A/C Compressor & Fasteners

Courtesy of CHRYSLER GROUP, LLC

Courtesy of CHRYSLER GROUP, LLC

23. Disconnect the ignition coil capacitor electrical connector.

24. Disconnect the Engine Coolant Temperature (ECT) sensor connector.

27. Remove the spark plugs. Refer to SPARK PLUG, REMOVAL .

Courtesy of CHRYSLER GROUP, LLC

Courtesy of CHRYSLER GROUP, LLC

Courtesy of CHRYSLER GROUP, LLC

Minor rotation of a camshaft (a few degrees) may be required to install the

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37. Remove the LH cam chain tensioner arm (1).

Fig 20: Cylinder Head Retaining Bolt Removal Sequence - Left

Courtesy of CHRYSLER GROUP, LLC

40. Remove the left camshafts. Refer to CAMSHAFT, ENGINE, REMOVAL .

Courtesy of CHRYSLER GROUP, LLC

Right head gasket shown in illustration, left head gasket similar.

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CYLINDER HEAD > REMOVAL > RIGHT

Fig 1: Magnetic Timing Wheels

Courtesy of CHRYSLER GROUP, LLC

Fig 2: Belly Pan & Fasteners

Courtesy of CHRYSLER GROUP, LLC

2. Disconnect and isolate the negative battery cable.

3. Raise and support the vehicle. Refer to HOISTING, STANDARD PROCEDURE .