In-Vehicle Repair: Camshaft: Installation
- Verify the valve clearance. For additional information, refer to VALVE - VALVE CLEARANCE, ADJUST .
- Install the oil control solenoid bushing and flange on the exhaust camshaft.
- Coat the sealing surface of the front camshaft journal cap with gasket maker.
- Position the camshafts.
- Lubricate the camshaft bearing surfaces with clean engine oil.
- Install new camshaft front oil seals.
- Install the camshaft journal caps.
- Position the camshaft journal caps.
- Install the bolts. Tighten the bolts in several two-turn passes in the sequence shown in Fig 3 until snug.
- Inspect the oil control solenoid flange O-rings; replace as necessary.
- Install the bolts. Tighten the bolts in the sequence shown in Fig 4.
- Rotate the camshafts one full turn and inspect them for binding.
- Install the camshaft sprockets. For additional information, refer to TIMING DRIVE COMPONENTS - TIMING SPROCKETS .
- Install the timing belt. For additional information, refer to TIMING DRIVE COMPONENTS - TIMING BELT .
- Install the valve cover. For additional information, refer to VALVE COVER .
NOTE:
The front camshaft journal cap must be installed and the bolts tightened to specification within four minutes of sealer application or oil leaks may occur.
CAUTION:
Cylinder head camshaft journal caps and cylinder heads are numbered to be sure they are assembled in their original positions. Keep camshaft journal caps with the cylinder head from which they were removed. Do not mix with camshaft journal caps from another cylinder head.
NOTE:
Apply a thin coat of silicone gasket and sealant to the sealing surface of the front camshaft bearing cap.
CAUTION:
The oil control O-ring seals must not fall out of position in the oil control solenoid flange during installation or poor engine performance may occur.