Discovery I (LJ) V8-4.0L (1996)
Temperature Sensor (Gauge): Service and Repair
Remove
1. Disconnect battery negative lead.
2. Disconnect lead from transmitter.
3. Remove transmitter, discard sealing washer if fitted.
Refit
4. Coat threads of replacement transmitter with Loctite 572.
5. Fit a new sealing washer to transmitter.
6. Fit transmitter, connect lead.
7. Top-up cooling system.