Removal and Installation: Installation

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.

Install and tighten the engine oil pressure switch and connect the harness connector.
CAUTION: Do not reuse the O-ring.
Connect the battery or batteries. Refer to Battery Disconnect .
WARNING:
Battery acid and battery acid fumes are extremely dangerous and can cause severe burns and explosion. To help reduce the risk of personal injury:
- Wear appropriate goggles and protective clothing.
- Always properly ventilate the area where the service is being performed.
- Never allow battery fluid to come in contact with skin, eyes, fabrics, or painted surfaces.
- To avoid arcing, remove the negative (-) battery cable first and attach the negative (-) battery cable last.
- If acid contacts eyes, skin or clothing, immediately flush with water for 15 minutes and seek medical attention.
Operate the engine and check for leaks.
NOTE: Shut engine off and wait 10 minutes. Check the engine oil level. Refer to Inspection
Install the front undercover. Refer to Removal and Installation .