Oil Filter Adapter Cleaning and Inspection Without Oil Cooler

1. Clean the oil filter adapter in solvent.

Caution: Refer to Safety Glasses Caution 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 (2)

•	Damage to the oil pressure switch hole threads (3)

•	Damage to the bypass plug hole threads (4)




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.

Oil Filter Adapter Cleaning and Inspection With Oil Cooler

1. Clean the oil filter adapter in solvent.

Caution: Refer to Safety Glasses Caution 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 oil cooler bypass valve plug hole threads (2)

•	Blockage in the oil cooler bypass valve passage (2)

•	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.