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 - Left Side
5. Secondary Air Injection Check Valve Removal - Right Side
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. Secondary Timing Chain Tensioner Removal - Right Side
16. Secondary Camshaft Drive Chain Shoe Removal - Right Side
17. Secondary Timing Chain Guide Removal - Right Side
18. Secondary Camshaft Intermediate Drive Chain Removal - Right Side
19. Primary Camshaft Intermediate Drive Chain Tensioner Removal
20. Primary Timing Chain Guide Removal - Upper
21. Primary Timing Chain Guide Removal - Lower
22. Primary Camshaft Intermediate Drive Chain Removal
23. Timing Chain Idler Sprocket Removal - Right Side
24. Secondary Timing Chain Tensioner Removal - Left Side
25. Secondary Camshaft Drive Chain Shoe Removal - Left Side
26. Secondary Timing Chain Guide Removal - Left Side
27. Secondary Camshaft Intermediate Drive Chain Removal - Left Side
28. Timing Chain Idler Sprocket Removal - Left Side
29. Crankshaft Sprocket Removal
30. Camshaft Position Actuator Removal - Left Side Exhaust
31. Camshaft Position Actuator Removal - Left Side Intake
32. Camshaft Position Actuator Removal - Right Side Exhaust
33. Camshaft Position Actuator Removal - Right Side Intake
34. Fuel Pump Removal (LF1, LFW or LFX)
35. Camshaft Removal - Left Side (UID 146815576)
36. Fuel Rail Removal
37. Valve Rocker Arm Removal - Left Side
38. Valve Lifter Removal - Left Side (UID 146815588)
39. Cylinder Head Removal - Left Side (LF1, LFW or LFX)
40. Camshaft Removal - Right Side (UID 146815580)
41. Valve Rocker Arm Removal - Right Side (UID 146815589)
42. Valve Lifter Removal - Right Side (UID 146815590)
43. Cylinder Head Removal - Right Side (LF1, LFW or LFX)
44. Oil Pan Removal
45. Oil Pump Removal
46. Crankshaft Rear Oil Seal and Housing Removal
47. Piston, Connecting Rod, and Bearing Removal
48. Crankshaft and Bearing Removal
49. Engine Block Disassemble
50. Engine Block Cleaning and Inspection
51. Crankshaft and Bearing Cleaning and Inspection
52. Crankshaft Balancer Cleaning and Inspection
53. Engine Flywheel Cleaning and Inspection
54. Piston and Connecting Rod Disassemble
55. Piston, Connecting Rod, and Bearing Cleaning and Inspection
56. Piston and Connecting Rod Assemble
57. Cylinder Head Disassemble (LF1, LFW or LFX)
58. Cylinder Head Cleaning and Inspection
59. Valve Spring Inspection and Measurement
60. Valve and Seat Grinding
61. Fuel Rail and Injectors Cleaning and Inspection (LF1, LFW or LFX)
62. Cylinder Head Assemble (LF1, LFW or LFX)
63. Camshaft Cleaning and Inspection
64. Valve Lifters and Guides Cleaning and Inspection
65. Valve Rocker Arm Cleaning and Inspection
66. Camshaft Timing Drive Components Cleaning and Inspection
67. Oil Pump Disassemble
68. Oil Pump Cleaning and Inspection
69. Oil Filter Adapter Disassemble
70. Oil Filter Adapter Cleaning and Inspection
71. Oil Filter Adapter Assemble
72. Oil Pan Disassemble
73. Oil Pan Cleaning and Inspection
74. Oil Pump Suction Pipe and Screen Cleaning and Inspection
75. Oil Pan Assemble
76. Engine Front Cover Disassemble
77. Engine Front Cover Cleaning and Inspection
78. Engine Front Cover Assemble
79. Camshaft Cover Disassemble
80. Camshaft Cover Cleaning and Inspection
81. Camshaft Cover Assemble
82. Intake Manifold Disassemble
83. Intake Manifold Cleaning and Inspection
84. Intake Manifold Assemble
85. Water Pump Cleaning and Inspection
86. Secondary Air Injection Check Valve Cleaning and Inspection
87. Thread Repair
88. Service Prior to Assembly
89. Engine Block Assemble
90. Crankshaft and Bearing Installation
91. Piston, Connecting Rod, and Bearing Installation
92. Crankshaft Rear Oil Seal and Housing Installation
93. Oil Pump Installation
94. Oil Pan Installation
95. Cylinder Head Installation - Right Side (LF1, LFW or LFX)
96. Valve Lifter Installation - Right Side (UID 146815591)
97. Valve Rocker Arm Installation - Right Side
98. Camshaft Installation - Right Side
99. Fuel Rail Installation
100. Cylinder Head Installation - Left Side (LF1, LFW or LFX)
101. Valve Lifter Installation - Left Side
102. Valve Rocker Arm Installation - Left Side
103. Camshaft Installation - Left Side (UID 146815577)
104. Fuel Pump Installation (LF1, LFW or LFX)
105. Camshaft Position Actuator Installation - Right Side Intake
106. Camshaft Position Actuator Installation - Right Side Exhaust
107. Camshaft Position Actuator Installation - Left Side Intake
108. Camshaft Position Actuator Installation - Left Side Exhaust
109. Crankshaft Sprocket Installation
110. Timing Chain Idler Sprocket Installation - Left Side
111. Secondary Camshaft Intermediate Drive Chain Installation - Left Side
112. Secondary Timing Chain Guide Installation - Left Side
113. Secondary Camshaft Drive Chain Shoe Installation - Left Side
114. Secondary Timing Chain Tensioner Installation - Left Side
115. Timing Chain Idler Sprocket Installation - Right Side
116. Primary Camshaft Intermediate Drive Chain Installation
117. Primary Timing Chain Guide Installation - Lower
118. Primary Timing Chain Guide Installation - Upper
119. Primary Camshaft Intermediate Drive Chain Tensioner Installation
120. Secondary Camshaft Intermediate Drive Chain Installation - Right Side
121. Secondary Timing Chain Guide Installation - Right Side
122. Secondary Camshaft Drive Chain Shoe Installation - Right Side
123. Secondary Timing Chain Tensioner Installation - Right Side
124. Engine Front Cover Installation (UID 146815542)
125. Water Pump Installation
126. Camshaft Cover Installation - Left Side
127. Camshaft Cover Installation - Right Side
128. Intake Manifold Installation
129. Engine Flywheel Installation
130. Crankshaft Balancer Installation
131. Secondary Air Injection Check Valve Installation - Right Side
132. Secondary Air Injection Check Valve Installation - Left Side
133. Oil Filter Adapter Installation
134. Oil Level Indicator and Tube Installation (LF1, LFW or LFX)
135. Engine Coolant Thermostat Housing Installation
136. Water Outlet Installation
137. Drive Belt Tensioner Installation
138. Engine Prelubing