Originally Posted by
jason_nike
Ive just changed my thermostat and rad fan temp switch as they been on car for ages.
The gauge used to always read high but would always drop to zero after engine switched off, but now it doesn't drop down all the way, it sticks at 1/4 of the way up, any ideas what causes this?
Sounds like the gauge may be faulty, have you tried gently tapping the cluster to see if it drops?
The rad switch has no bearing on the temperature gauge at all, so this is an independent issue.
Martin