gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Engine Oil Control Valve|Service and Repair|Page 5078 > < Engine Oil|Capacity Specifications|Page 5074
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Engine Oil Control Valve: Service and Repair

Oil Pressure Relief Valve Replacement

Removal Procedure

1. Remove the oil pan. Refer to Oil Pan Replacement (2WD)  (See: Oil Pan/Service and Repair/Oil Pan Replacement)Oil Pan Replacement (4WD)  (

See: Oil Pan/Service and Repair/Oil Pan Replacement) .

2. Place the oil pan on a clean work surface.
3. Remove the oil pressure relief valve (455) and washer.

Installation Procedure

1. Inspect the NEW oil pressure relief valve for proper operation. Lightly depress the ball (2). The valve spring (1) should seat the ball to the proper

closed position.

2. Install the NEW oil pressure relief valve (455) and washer.

Engine Oil Control Valve|Service and Repair|Page 5078 > < Engine Oil|Capacity Specifications|Page 5074