Envoy 2WD V8-5.3L (2007)
Engine Oil Control Valve: Service and Repair
Oil Pressure Relief Valve Replacement
Removal Procedure
1. Remove the oil pan. Refer to Oil Pan Replacement.
2. Remove the oil filter tube bolts (435, 446) and gaskets (445, 448).
3. Remove the oil filter tube (447).
4. Remove the displacement on demand oil pressure relief valve (455) by pushing downward.
Installation Procedure
