Inspection After Removal
WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.
- Use solvent to clean the oil cooler housing and cover.WARNING: To avoid the risk of injury to eyes and skin, when using caustic solutions, solvents, acids, or alkaline materials follow the manufacturer's recommendations for use and wear appropriate eye protection and protective clothing. Some of these materials are also flammable. To avoid risk of fire or burns, never smoke or allow sparks or flames (such as pilot lights, electrical switches, or welding equipment) in the work area. Avoid spilling onto a hot exhaust manifold which can cause a fire.CAUTION: Use a solvent that will not harm copper to clean the oil cooler elements.NOTE: Replace the oil cooler if any debris is found, or if the engine has had a debris-generating malfunction.
- Inspect the oil cooler for signs of corrosion, leaking, or damage.
- Inspect the mounting location for signs of cracking or wear.
- Clean the mounting location with a quick dry solvent.
- Clean the oil cooler with solvent and dry with compressed air.
- If any debris is suspected to have flowed through the lubricating oil system, check the oil pump and the oil check valve for proper operation. Refer to Removal and Installation (Oil pump) or Removal and Installation (Oil check valve).
- If any debris is suspected to have flowed through the lubricating oil system or if troubleshooting a lubricating oil pressure issue, remove and inspect the oil pressure regulator. Refer to Removal and Installation .
- If any debris is suspected to have flowed through the lubricating oil system, inspect the oil bypass valve (1). Make sure the valve is fully seated and free of obstruction. Replace if necessary. Refer to Removal and Installation .
- If any debris is suspected to have flowed through the lubricating oil system, inspect the oil thermostat (2) located in the front cover, behind a retaining clip (1) just above the oil cooler mounting location. Make sure the thermostat is fully seated and free of obstruction. Replace if necessary. Refer to Removal and Installation .