Car is driven on freeway fine. Needle is just under the middle mark. As soon as car gets into a stop and go traffic situation freeway driving, usually within forty to forty five minutes, needle starts rising to the "H" mark. Car is turned off, and turned back on almost right away and the needle shows normal reading - under middle mark. Car is then stopped engine turned off, for a short time (say five to ten minutes). Car is started again to go somewhere, needle is back to normal reading. Car is now in "drive" and needle rises slowly to "H". Car is stopped again, engine is turned off. Then car is started again and needle is back to normal reading. Car is in "drive" and needle starts to rise to "H". And so on it goes!
Our mechanic has already changed:
He also checked:
- water pump
- Blown head gasket
- warped cylinder head.
He also pressure tested the cooling system - no leaks!
We have just read on a different site that it may be because the top engine ground wire may need to be replaced because the gauge and thermostat are not communicating properly, there may be a short.
Has anyone been through similar situation and got a final fix?
Help! Thanks in advance!
have the same problem?
Sunday, January 1st, 2017 AT 8:32 PM