Check the operation of engine to make sure it meets manufacturer’s specifications.

Replace the oil supply line in all gasoline applications. Clean line in diesel app.

Do not use a thread sealer (SILICONE) on any oil line.

Check oil drain for restrictions to flow such as kinked or deteriorated rubber sections and sharp bends. On fresh reman engines and or heads flush all oil passages.

Check for contamination and obstructions such as kinked, worn and plugged oil lines and oil passages. If applicable, check inter or after-cooler for the same.

Remove and thoroughly clean intercooler.

Replace the air filter element. Check for flow restrictions, both intake and exhaust, including catalytic converter.

Check for and remove all foreign objects from the intake air tract, and secure all hoses.

Replace the oil and oil filter. Replace any crank case breather elements.

Verify that the actuator “C” clip is secure.

Verify that the oil drain direction is vertical.

Verify the tightness of all clamps and bolts, secure lock tabs if applicable.

After installation, be sure to remove all tools from the engine compartment.

Before starting the engine, disable either the fuel or ignition system to allow the engine to be cranked without starting. The engine must be cranked until normal oil pressure is developed. Once oil pressure is achieved, then you may start the engine.

Repeat after all oil changes.