In-Vehicle Repair: Camshafts: Installation
- Position the LH camshafts on the camshaft journals.
- Install the LH camshaft bearing caps.
- Position the bearing caps.
- Install the bearing cap bolts. Tighten the bolts in 3 stages in the sequence shown.
- Stage 1: Hand-tighten.
- Stage 2: Tighten to 6 Nm (53 lb-in).
- Stage 3: Tighten an additional 90 degrees.
- Install the RH camshafts.
- Install the RH camshaft bearing caps.
- Position the bearing caps.
- Install the bolts. Tighten the bolts in 3 stages in the sequence shown.
- Stage 1: Hand-tighten.
- Stage 2: Tighten to 6 Nm (53 lb-in).
- Stage 3: Tighten an additional 90 degrees.
- Using a feeler gauge, confirm that the tappet and shim clearances are within specification. For additional information, refer to VALVE CLEARANCE CHECK in this article.
- If tappet and shim clearances are not within specification, adjust the clearance. For additional information, refer to VALVE CLEARANCE ADJUSTMENT in this article.
- Install the timing drive components. For additional information, refer to TIMING DRIVE COMPONENTS in this article.
NOTE:
Apply clean engine oil to the camshaft journals, the camshaft caps and the camshaft lobes prior to installing the camshafts.
CAUTION:
Install the camshaft bearing caps. The camshaft bearing caps are positional and must be installed in their original locations and orientation or engine damage can occur.
NOTE:
Apply clean engine oil to the camshaft journals, the camshaft caps and the camshaft lobes prior to installing the camshafts.
CAUTION:
Install the camshaft bearing caps. The camshaft bearing caps are positional and must be installed in their original locations and orientation or engine damage can occur.
CAUTION:
If any components are installed new, the engine must be reshimmed or engine damage can occur.