Envoy 2WD V6-4.3L VIN W (1998)
6. Using a bent-tip screwdriver or equivalent, pull on one of the open ends of the retaining ring in order to rotate the retaining ring.
7. Rotate the retaining ring around the quick connector until the retaining ring is out of position and can be completely removed.
Discard the retaining rings.
8. Remove the engine oil cooler lines from the quick connectors at the radiator engine oil cooler inlet and outlet.
Pull the lines straight out from the connectors.
9. Clean all of the components in a suitable solvent, and dry them with compressed air.
10. Inspect the fittings, the connectors, the cooler lines, and the cooler for damage, distortion, or restriction. Replace parts as necessary.
11. Flush the engine oil cooler and engine oil cooler lines with the same type of engine oil normally circulating through the engine.
INSTALLATION PROCEDURE
1. Install new seals on the engine oil cooler lines at the engine oil filter adapter ends.
