1. If necessary, install a NEW pressure relief valve O-ring.
2. Lubricate the O-ring with engine oil.
Tighten: Tighten the valve to 39 N.m (29 lb ft).
3. Apply a 2-3 mm (1/8 in) wide by 0.5-1.5 mm (1/16 in) high, bead o f sealant to the engine front cover sealing surface to the engine block. Refer to Sealers, Adhesives, and Lubricants for the correct part number.
4. Apply a 2-3 mm (1/8 in) wide by 0.5-1.5 mm (1/16 in) high, bead o f sealant to the engine front cover sealing surface to the upper oil pan. Refer to Sealers, Adhesives, and Lubricants for the correct part number.
5. Install the engine front cover.
6 . Install the engine front cover bolts.
Tighten: Tighten the bolts to 25 N.m (18 lb ft).
7. Install the upper oil pan to engine front cover bolts.
Tighten: Tighten the bolts to 21 N.m (15 lb ft).
8 . Install a N EW O-ring to the CKP sensor spacer.
9. Lubricate the O-ring with clean engine oil.
IMPORTANT: The crankshaft position sensor spacers are machined with different timing positions. However, if the crankshaft position sensor spacer requires replacement, replace with a grade “C” spacer.
10. Install the CKP sensor spacer and bolts.
Tighten: Tighten the bolts to 10 N.m (89 lb in).
11. Install a N EW O-ring to the CKP sensor.
12. Lubricate the O-ring with clean engine oil.
13. Install the CKP sensor and bolt.
Tighten: Tighten the bolt to 10 N.m (89 lb in).
14. Connect the CKP sensor electrical connector.
15. Install the right wheelhouse panel. Refer to Front Wheelhouse Liner Replacement Right Side (GMC) or Front Wheelhouse Liner Replacement – Right Side (Chevrolet) .
16. Install the crankshaft front oil seal. Refer to Crankshaft Front Oil Seal Replacement.
17. Install the water pump. Refer to Water Pump Replacement (L M M ).
18. Connect the negative battery cable. Refer to Battery 7 Negative Cable Disconnection and Connection (w/Single Battery) or Battery Negative Cable Disconnection and Connection (w/Auxiliary Battery) or Battery 7 Negative Cable Disconnection and Connection (w/Dual Batteries).
