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.
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.
- Some solvents are flammable and toxic. Read the manufacturer's instructions before use.
- When using compressed air for cleaning, to avoid the risk of personal injury from flying debris and dirt:
- Do not exceed 207 kPa (2.111 kg/cm 2 , 30 psi).
- Wear appropriate eye protection and protective clothing including gloves.
- Thoroughly clean all components with solvent.
- Dry with compressed air.
- Clean the pressure regulator valve bore with solvent.
- Dry with compressed air.
NOTE:
If it is suspected that debris flowed through the oil pump, the block stiffener plate should be removed to thoroughly clean all the passages and the oil filter must be changed. Clean the oil passages with a suitable tool.
OIL PRESSURE REGULATOR
- Inspect the valve bore for signs of wear or damage. If damage is present, replace the block stiffening plate. Refer to Removal and Installation .
- Inspect the oil pressure regulator for proper movement, plugged holes, and scratches. If damage is present, replace the oil pressure regulator.
OIL PRESSURE REGULATOR SPRING
- Inspect the oil pressure regulator spring for damage or rust and verify the uncompressed height (A) of the spring.
Height (A)
: 59.4 mm (2.34 in)
- If damage is present, replace the oil pressure regulator, spring, and oil pump. Refer to Removal and Installation .