Oil Filter Adapter Cleaning and Inspection for Cadillac SLS 2009

Oil Filter Adapter Cleaning and Inspection With Oil Cooler

1. Clean the oil filter adapter in solvent.

Warning: Refer to Safety Glasses Warning in the Preface section.

2. Dry the oil filter adapter with compressed air.

1. Inspect the exterior of the oil filter adapter for the following:

•	Damage to the mounting holes (1)

•	Damage to the heat shield bolt hole threads (3)

•	Damage to the oil pressure switch hole threads (4)

•	Damage to the oil cooler line fitting hole threads (5)

•	Blockage in the oil cooler line passages (5)




2. Inspect the interior of the oil filter adapter for the following:

•	Damage to the oil filter sealing surface (1)

•	Damage to the oil filter fitting hole threads (2)

•	Blockage in the oil filter fitting hole (2)

•	Damage or blockage to the oil filter bypass hole (3)

•	Blockage to the inlet and outlet passages (4)

•	Damage to the mounting surface (5)

3. Repair or replace the oil filter adapter as necessary.