C 1500 Suburban 2WD V8-6.5L DSL Turbo VIN F (1997)
Oil Filter Adapter: Service and Repair
REMOVAL
1. Raise the vehicle.
2. Remove the oil filter.
NOTE: Do not damage the engine block when removing the bypass valve.
3. Remove the oil cooler bypass valve.
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Install a 4.8 mm (3/16 inch) sheet metal screw into the hole in the cup plug.
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Using the two heel bars, take out the cup plug.
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Remove the oil cooler bypass valve. Use a slide hammer.
4. Clean the recess in the block.
INSTALLATION
1. Install the oil cooler bypass valve by using a socket to drive the bypass valve into the bore until seated on the shoulder in the bore.
NOTE: This plug has an orifice hole that prevents an air lock from occurring and blocking oil flow.
2. Install the cup plug for the oil cooler bypass valve.
3. Install the oil filter bypass-valve. Use a socket to drive the valve into the bore until the valve seats against the shoulder in the bore.
4. Install the oil filter.
