Express 1500 RWD V8-5.3L (2008)
8. Remove the knock sensor oil seals (1) from the cover (2).
9. Clean and inspect the engine valley cover. Refer to Engine Block Valley Cover Cleaning and Inspection (See: Service and Repair) .
Installation Procedure
Important: All gasket surfaces should be free of oil or other foreign material during assembly.
1. Lubricate the NEW knock sensor seals (1) with clean engine oil.
2. Install the knock sensor oil seals (1) into the engine valley cover (2).
3. Install the engine valley cover and a NEW gasket onto the engine block.
Notice: Refer to Fastener Notice .
4. Install the engine valley cover bolts.
Tighten the bolts to 25 N.m (18 lb ft).
