Chevrolet Sonic Repair Manual: Pressure Regulator/Relief Valve

Oil Pump Replacement

Removal Procedure Remove the engine front cover. Refer to Engine Front Cover with Oil Pump Replacement. Remove the 8 oil pump cover bolts (1). Remove t ...

Oil Pressure Relief Valve Replacement

Removal Procedure Remove the oil pan. Refer to Oil Pan Replacement. Remove the oil pressure relief valve closure bolt (1). Remove the oil pressure relief valve a ...

Other materials:

Rear Seats
The vehicle's rear seats have adjustable head restraints in the outboard seating positions. The height of the head restraint can be adjusted. Pull the head restraint up to raise it. Try to move the head restraint to make sure that it is locked in place. To lower the head restraint, press ...

SIR Disabling and Enabling
SIR component location affects how a vehicle should be serviced. There are parts of the SIR system installed in various locations around a vehicle. To find the location of the SIR components refer to Supplemental Inflatable Restraint System Description and Operation. There are several reason ...

Neutral - Engine Running (Gen 2)
When the gear selector is moved to the Neutral (N) position, the hydraulic and electrical system operation is identical to Park (P) range. However, if Neutral is selected after the vehicle was operating in Reverse (R), the normally-low 35R pressure control solenoid is commanded OFF and the fol ...