Timing Chain Idler Gear: Service and Repair
TIMING CHAIN IDLER SPROCKET REPLACEMENT - LEFT
Removal Procedure
1. Remove the engine front cover. Service and Repair
2. Remove the right bank secondary camshaft drive chain tensioner. 22. Secondary Timing Chain Tensioner Removal - Right
3. Remove the right bank secondary camshaft drive chain shoe. 23. Secondary Camshaft Drive Chain Shoe Removal - Right
4. Remove the right bank secondary camshaft drive chain guide. 24. Secondary Timing Chain Guide Removal - Right
5. Remove the right bank secondary camshaft drive chain. 25. Secondary Camshaft Intermediate Drive Chain Removal - Right
6. Remove the primary camshaft drive chain tensioner. 26. Primary Camshaft Intermediate Drive Chain Tensioner Removal
7. Remove the primary upper camshaft drive chain guide. 27. Primary Timing Chain Guide Removal - Upper
8. Remove the primary camshaft drive chain. 29. Primary Camshaft Intermediate Drive Chain Removal
9. Remove the right bank camshaft intermediate drive chain idler. 30. Timing Chain Idler Sprocket Removal - Right
10. If you are servicing the left bank camshaft intermediate drive chain idler, perform the following steps:
A. Remove the left bank secondary camshaft drive chain tensioner. 31. Secondary Timing Chain Tensioner Removal - Left
B. Remove the left bank secondary camshaft drive chain shoe. 32. Secondary Camshaft Drive Chain Shoe Removal - Left
C. Remove the left bank secondary camshaft drive chain guide. 33. Secondary Timing Chain Guide Removal - Left
D. Remove the left bank secondary camshaft drive chain. 34. Secondary Camshaft Intermediate Drive Chain Removal - Left
E. Remove the left bank camshaft intermediate drive chain idler.35. Timing Chain Idler Sprocket Removal - Left
Installation Procedure
1. If you are servicing the left bank idler sprocket, perform the following steps:
A. Install the left bank camshaft intermediate drive chain idler. 114. Timing Chain Idler Sprocket Installation - Left
B. Install the left bank secondary camshaft drive chain. 115. Secondary Camshaft Intermediate Drive Chain Installation - Left
C. Install the left bank secondary camshaft drive chain guide. 116. Secondary Timing Chain Guide Installation - Left
D. Install the left bank secondary camshaft drive chain shoe. 117. Secondary Camshaft Drive Chain Shoe Installation - Left
E. Install the left bank secondary camshaft drive chain tensioner. 118. Secondary Timing Chain Tensioner Installation - Left
2. Install the right bank camshaft intermediate drive chain idler. 119. Timing Chain Idler Sprocket Installation - Right
3. Install the primary camshaft drive chain. 120. Primary Camshaft Intermediate Drive Chain Installation
4. Install the primary upper camshaft drive chain guide. 122. Primary Timing Chain Guide Installation - Upper
5. Install the primary camshaft drive chain tensioner. 123. Primary Camshaft Intermediate Drive Chain Tensioner Installation
6. Install the right bank secondary camshaft drive chain. 124. Secondary Camshaft Intermediate Drive Chain Installation - Right
7. Install the right bank secondary camshaft drive chain guide. 125. Secondary Timing Chain Guide Installation - Right
8. Install the right bank secondary camshaft drive chain shoe. 126. Secondary Camshaft Drive Chain Shoe Installation - Right
9. Install the right bank secondary camshaft drive chain tensioner. 127. Secondary Timing Chain Tensioner Installation - Right
10. Install the engine front cover. Service and Repair