Impala V8-5.3L VIN C (2006)
Valve Deactivation Solenoid: Testing and Inspection
Displacement on Demand (DOD) Oil Pressure Relief Valve Diagnosis and Testing
Displacement on Demand (DOD) Oil Pressure Relief Valve Diagnosis and Testing
Tools Required
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J-21867-16 Oil Pressure Adapter
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J21867 Pressure Gage
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J42907 Oil Pressure Testing Tool
1. Important: This test is performed to verify the operation of the oil pressure relief valve. Refer to Displacement on Demand (DOD) System
Description and Lubrication Description (Main Pressure Below 65 psi - DOD Off) Lubrication Description (Main Pressure Above 65 psi - DOD
Off) Lubrication Description (Main Pressure Below 65 psi - DOD On) Lubrication Description (Main Pressure Above 65 psi - DOD On).
Remove the oil filter and install the J42907 (1).
2. Install J21867 (2) or equivalent to the J42907 (1).
3. Remove the oil pressure sensor and install the J-21867-16.
