Operation CHARM: Car repair manuals for everyone.

Part 2




Engine













NOTICE: During engine repair procedures, cleanliness is extremely important. Any foreign material, including any material created while cleaning gasket surfaces that enters the oil passages, coolant passages or the oil pan, can cause engine failure.

NOTICE: Early build engines have 11 fastener valve covers, late built engines have 9 fastener valve covers. Do not attempt to install bolts in the 2 empty late build valve cover holes or damage to the valve cover will occur.

NOTE: On early build engines, the timing chain rides on the inner side of the RH timing chain guide. Late build engines are equipped with a different design RH timing chain guide that requires the timing chain to ride on the outer side of the RH timing chain guide. For service, all replacement RH timing chain guides will be the late build design.

NOTE: For additional information, refer to the exploded view under the Assembly procedure.

51. Remove the 6 nuts and the LH exhaust manifold.
- Discard the nuts and the exhaust manifold gasket.





52. Clean and inspect the LH exhaust manifold. For additional information, refer to Engine.

53. Remove and discard the 6 LH exhaust manifold studs.





FWD vehicles

54. Remove the 4 nuts and the RH catalytic converter.
- Discard the nuts and the gasket.





All vehicles

55. Remove the 3 bolts and the RH exhaust manifold heat shield.





56. Remove the 6 nuts and the RH exhaust manifold.
- Discard the nuts and the exhaust manifold gasket.





57. Clean and inspect the RH exhaust manifold. For additional information, refer to Engine.

58. Remove and discard the 6 RH exhaust manifold studs.





59. Remove the RH cylinder block drain plug or, if equipped, the block heater.
- Allow coolant to drain from the cylinder block.





60. Remove the LH cylinder block drain plug.
- Allow coolant to drain from the cylinder block.





61. Remove the pin-type retainer and the cover.





62. Remove the 2 bolts and the engine lifting eye.





63. Remove the bolt and the upper intake manifold support bracket.





64. Remove the bolt and the RH CMP sensor.





All-Wheel Drive (AWD) vehicles

65. Remove the 2 bolts and the catalytic converter bracket.





All vehicles

66. Remove the 4 bolts and the fuel rail and injectors as an assembly.





67. Remove the 2 thermostat housing-to-lower intake manifold bolts.
- Remove the thermostat housing and discard the gasket.





68. NOTICE: If the engine is repaired or replaced because of upper engine failure, typically including valve or piston damage, check the intake manifold for metal debris. If metal debris is found, install a new intake manifold. Failure to follow these instructions can result in engine damage.

Remove the 10 bolts and the lower intake manifold.

- Discard the gaskets.





69. Disconnect and remove the CHT sensor jumper harness.





70. Remove the bolt and the LH CMP sensor.





71. Remove the bolt and the CKP sensor.





72. Remove the EOP switch.





Early build vehicles

73. Remove the 2 bolts and the oil filter adapter.
- Discard the gasket and the O-ring seal.





Late build vehicles

74. Remove the 3 bolts and the oil filter adapter.
- Discard the gasket.





All vehicles

75. NOTE: LH shown, RH similar.

Remove the 6 bolts and the 6 coil-on-plugs.





76. Remove the 2 nuts and the wiring harness retaining bracket.





Early build vehicles

77. Loosen the 11 stud bolts and remove the LH valve cover.
- Discard the gasket.





78. Loosen the bolt, the 10 stud bolts and remove the RH valve cover.
- Discard the gasket.





Late build vehicles

79. Loosen the 9 stud bolts and remove the LH valve cover.
- Discard the gasket.





80. Loosen the 9 stud bolts and remove the RH valve cover.
- Discard the gasket.





All vehicles

81. NOTE: VCT solenoid seal removal shown, spark plug tube seal removal similar.
Inspect the VCT solenoid seals and the spark plug tube seals. Remove any damaged seals.
- Using the VCT Spark Plug Tube Seal Remover and Handle, remove the seal(s).





82. Using the Strap Wrench, remove the crankshaft pulley bolt and washer.
- Discard the bolt.





83. Using the 3 Jaw Puller, remove the crankshaft pulley.





84. Using the Oil Seal Remover, remove and discard the crankshaft front seal.





85. Remove the 2 bolts and the engine mount bracket.





86. NOTE: Only use hand tools to remove the studs.

Remove the 2 engine mount studs.





87. Remove the 3 bolts and the engine mount bracket.





88. Remove the 22 engine front cover bolts.





89. Install 6 of the engine front cover bolts (finger-tight) into the 6 threaded holes in the engine front cover in the following sequence.

1. Tighten the bolts one turn at a time in a crisscross pattern until the engine front cover-to-cylinder block seal is released.

2. Remove the engine front cover.





Engines equipped with early build RH timing chain guides

90. Rotate the crankshaft clockwise and align the timing marks on the VCT assemblies as shown.





Engines equipped with late build/replacement RH timing chain guides

91. Rotate the crankshaft clockwise and align the timing marks on the VCT assemblies as shown.





All vehicles

92. NOTE: The Camshaft Holding Tool will hold the camshafts in the Top Dead Center (TDC) position.

Install the Camshaft Holding Tool onto the flats of the LH camshafts.





93. NOTE: The Camshaft Holding Tool will hold the camshafts in the TDC position.

Install the Camshaft Holding Tool onto the flats of the RH camshafts.





94. Remove the 3 bolts and the RH VCT housing.





95. Remove the 3 bolts and the LH VCT housing.





96. Remove the 2 bolts and the primary timing chain tensioner.





97. Remove the primary timing chain tensioner arm.





98. Remove the 2 bolts and the lower LH primary timing chain guide.





99. Remove the primary timing chain.





100. Remove the crankshaft timing chain sprocket.