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:

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.
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.

Check the vacuum pump for cracks, chips, or other damage.
If damage is found, replace the vacuum pump.

Check the chain drive for damage if the vacuum pump cover plate bolts have fallen out.
Inspect the idler pulley for cracks or other damage.
If damage is found, replace the fan idler pulley.
Use a suitable tool to clean the bolt hole threads in the front cover.
Use a suitable tool to clean the vacuum pump bolts.