Installation (2.5 & 4.0L)
- To install, reverse removal procedure. Use only proper mounting bolt. Any other replacement bolt will cause improper sensor alignment.
- On some Grand Cherokee and Wrangler models with 4.0L engine and automatic transmission, crankshaft position sensor is secured by a single bolt. On models so equipped, ensure paper self-adhesive spacer on end of sensor is replaced if old sensor is being reused. Paper spacer is used to set proper depth. Once engine is started, paper spacer wears away.