Monte Carlo V6-3.8L SC VIN 1 (2004)
Oil Filter Adapter: Service and Repair
Oil Filter Adapter and Bypass Valve Assembly Replacement
Removal Procedure
1. Disconnect the negative battery cable.
2. Raise and support the vehicle.
3. Remove the right side wheel drive shaft.
4. Disconnect the oil pressure sensor electrical connector.
5. Drain the engine oil and remove the oil filter.
6. If equipped with an external engine oil cooler remove the following:
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Oil filter (2)
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Engine oil cooler housing fitting (3)
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Engine oil cooler housing (4)
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Engine oil cooler housing O-ring (5)
7. Remove the oil filter adapter bolts.
8. Remove the following components:
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Oil filter adapter
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Oil filter adapter gasket
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Oil pressure valve and spring
9. (glean the parts in a suitable solvent. Dry the parts.
10. Clean the oil filter adapter gasket mating surfaces.
11. Inspect the following areas:
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The oil pressure valve and the valve bore for burrs
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The spring for loss of tension, replace the spring if necessary.