Overhaul Procedure Steps
ENGINE OVERHAULNOTE: This article lists the sequential steps necessary to overhaul the engine.
^ For the specific step listed below, refer to that step under "Repair Instructions". Repair Instructions
1. Drive Belt Tensioner Removal
2. Oil Level Indicator and Tube Removal (LF1, LFW or LFX)
3. Oil Filter Adapter Removal
4. Secondary Air Injection Check Valve Removal - Bank 2
5. Secondary Air Injection Check Valve Removal - Bank 1
6. Intake Manifold Removal
7. Water Outlet Removal
8. Engine Coolant Thermostat Housing Removal
9. Crankshaft Balancer Removal
10. Engine Flywheel Removal
11. Camshaft Cover Removal - Left Side
12. Camshaft Cover Removal - Right Side
13. Water Pump Removal
14. Engine Front Cover Removal
15. Camshaft Timing Chain Components Removal
16. Secondary Timing Chain Tensioner Removal - Right Side
17. Secondary Camshaft Drive Chain Shoe Removal - Right Side
18. Secondary Timing Chain Guide Removal - Right Side
19. Secondary Camshaft Intermediate Drive Chain Removal - Right Side
20. Primary Camshaft Intermediate Drive Chain Tensioner Removal
21. Primary Timing Chain Guide Removal - Upper
22. Primary Timing Chain Guide Removal - Lower
23. Primary Camshaft Intermediate Drive Chain Removal
24. Timing Chain Idler Sprocket Removal - Right Side
25. Secondary Timing Chain Tensioner Removal - Left Side
26. Secondary Camshaft Drive Chain Shoe Removal - Left Side
27. Secondary Timing Chain Guide Removal - Left Side
28. Secondary Camshaft Intermediate Drive Chain Removal - Left Side
29. Timing Chain Idler Sprocket Removal - Left Side
30. Crankshaft Sprocket Removal
31. Camshaft Position Actuator Removal - Left Side Exhaust
32. Camshaft Position Actuator Removal - Left Side Intake
33. Camshaft Position Actuator Removal - Right Side Exhaust
34. Camshaft Position Actuator Removal - Right Side Intake
35. Fuel Pump Removal (LF1, LFW or LFX)
36. Camshaft Removal - Left Side
37. Fuel Rail Removal
38. Valve Rocker Arm Removal - Left Side
39. Valve Lifter Removal - Left Side
40. Cylinder Head Removal - Left Side (LF1, LFW or LFX)
41. Camshaft Removal - Right Side
42. Valve Rocker Arm Removal - Right Side
43. Valve Lifter Removal - Right Side
44. Cylinder Head Removal - Right Side (LF1, LFW or LFX)
45. Oil Pan Removal
46. Oil Pump Removal
47. Crankshaft Rear Oil Seal and Housing Removal
48. Piston, Connecting Rod, and Bearing Removal
49. Crankshaft and Bearing Removal
50. Engine Block Disassemble
51. Engine Block Cleaning and Inspection
52. Crankshaft and Bearing Cleaning and Inspection
53. Crankshaft Balancer Cleaning and Inspection
54. Engine Flywheel Cleaning and Inspection
55. Piston and Connecting Rod Disassemble
56. Piston, Connecting Rod, and Bearing Cleaning and Inspection
57. Piston and Connecting Rod Assemble
58. Cylinder Head Disassemble (LF1, LFW or LFX)
59. Cylinder Head Cleaning and Inspection
60. Valve Spring Inspection and Measurement
61. Valve and Seat Grinding
62. Fuel Rail and Injectors Cleaning and Inspection (LF1, LFW or LFX)
63. Cylinder Head Assemble (LF1, LFW or LFX)
64. Camshaft Cleaning and Inspection
65. Valve Lifter Cleaning and Inspection
66. Valve Rocker Arm Cleaning and Inspection
67. Camshaft Timing Drive Components Cleaning and Inspection
68. Oil Pump Disassemble
69. Oil Pump Cleaning and Inspection
70. Oil Filter Adapter Disassemble
71. Oil Filter Adapter Cleaning and Inspection
72. Oil Filter Adapter Assemble
73. Oil Pan Disassemble
74. Oil Pan Cleaning and Inspection
75. Oil Pump Suction Pipe and Screen Cleaning and Inspection
76. Oil Pan Assemble
77. Engine Front Cover Disassemble
78. Engine Front Cover Cleaning and Inspection
79. Engine Front Cover Assemble
80. Camshaft Cover Disassemble
81. Camshaft Cover Cleaning and Inspection
82. Camshaft Cover Assemble
83. Intake Manifold Disassemble
84. Intake Manifold Cleaning and Inspection
85. Intake Manifold Assemble
86. Water Pump Cleaning and Inspection
87. Secondary Air Injection Check Valve Cleaning and Inspection
88. Thread Repair
89. Service Prior to Assembly
90. Engine Block Assemble
91. Crankshaft and Bearing Installation
92. Piston, Connecting Rod, and Bearing Installation
93. Crankshaft Rear Oil Seal and Housing Installation
94. Oil Pump Installation
95. Oil Pan Installation
96. Cylinder Head Installation - Right Side (LF1, LFW or LFX)
97. Valve Lifter Installation - Right Side
98. Valve Rocker Arm Installation - Right Side
99. Camshaft Installation - Right Side
100. Fuel Rail Installation
101. Cylinder Head Installation - Left Side (LF1, LFW or LFX)
102. Valve Lifter Installation - Left Side
103. Valve Rocker Arm Installation - Left Side
104. Camshaft Installation - Left Side
105. Fuel Pump Installation (LF1, LFW or LFX)
106. Camshaft Position Actuator Installation - Right Side Intake
107. Camshaft Position Actuator Installation - Right Side Exhaust
108. Camshaft Position Actuator Installation - Left Side Intake
109. Camshaft Position Actuator Installation - Left Side Exhaust
110. Crankshaft Sprocket Installation
111. Timing Chain Idler Sprocket Installation - Left Side
112. Camshaft Timing Chain Components Installation
113. Secondary Camshaft Intermediate Drive Chain Installation - Left Side
114. Secondary Timing Chain Guide Installation - Left Side
115. Secondary Camshaft Drive Chain Shoe Installation - Left Side
116. Secondary Timing Chain Tensioner Installation - Left Side
117. Timing Chain Idler Sprocket Installation - Right Side
118. Primary Camshaft Intermediate Drive Chain Installation
119. Primary Timing Chain Guide Installation - Lower
120. Primary Timing Chain Guide Installation - Upper
121. Primary Camshaft Intermediate Drive Chain Tensioner Installation
122. Secondary Camshaft Intermediate Drive Chain Installation - Right Side
123. Secondary Timing Chain Guide Installation - Right Side
124. Secondary Camshaft Drive Chain Shoe Installation - Right Side
125. Secondary Timing Chain Tensioner Installation - Right Side
126. Engine Front Cover Installation
127. Water Pump Installation
128. Camshaft Cover Installation - Left Side
129. Camshaft Cover Installation - Right Side
130. Intake Manifold Installation
131. Engine Flywheel Installation
132. Crankshaft Balancer Installation
133. Secondary Air Injection Check Valve Installation - Bank 1
134. Secondary Air Injection Check Valve Installation - Bank 2
135. Oil Filter Adapter Installation
136. Oil Level Indicator and Tube Installation (LF1, LFW or LFX)
137. Engine Coolant Thermostat Housing Installation
138. Water Outlet Installation
139. Drive Belt Tensioner Installation
140. Engine Prelubing