S15/T15 Sonoma P/U 2WD V6-4.3L VIN X (1998)
Camshaft: Service and Repair
REMOVAL PROCEDURE
IMPORTANT: The oil pan requires removal in order to remove the engine front cover. For a RWD vehicle remove the engine.
1. Disconnect the battery negative cable.
2. Remove the air cleaner assembly.
3. Drain the cooling system.
4. Remove the condenser. if equipped.
5. Remove the radiator.
6. Remove the valve rocker arm covers.
7. Remove the intake manifold.
8. Remove the valve lifters and the valve pushrods.
9. Remove the engine front cover.
10. Remove the crankshaft position sensor reluctor ring.
11. Remove the camshaft timing chain and the camshaft sprocket.
12. Remove the balance shaft drive gear.
13. Remove the camshaft.
INSTALLATION PROCEDURE
IMPORTANT: Whenever a new camshaft is installed, do the following procedures:
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Change the engine oil.
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Change the engine oil filter. Add GM Engine Oil Supplement GM P/N1052367 or the equivalent to the engine oil.