Had heater core replaced on 1993 Mercury XR7, 3.8L,V6. All gauges worked before these repairs was done. Now the temp. gauge doesn't work, and the car overheated. Is there a connector to the temp. gauge under the dash that is not connected, wire not on the sending unit on the engine connected, or blown fuse?
If the engine cooling system was not filled and air bleed out the system may have an air pocket and this keeps the gauge from reading correctly.
http://howtobyme.blogspot.in/2012/05/2004-toyota-tundra-oil-gauge-and-temp.html
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Hope these helps .
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neednanswer : I Always make sure there is coolant in the Rad. and the Res. it isn't leaking anywhere...the mechanic that did the work,left the cigg.1 wire off, so it didn't work, also with the inside trunk release, didn't have wired back. Any other suggestions as to why the temp. gauge isn't working...Thanks!
neednanswer : Sorry I failed to mention, that I had the timing chain cover n gasket, water pump, and heater reisistor control module all replaced!...Can not figure out why the temp.gauge isn't working....awaiting answers...Thanks!
I have had this done before to rid the air. I did not do it personally and am not sure how to go bout burping it. Thanks emissionwiz.
I have had this done before to rid the air. I did not do it personally and am not sure how to go bout burping it. Thanks emissionwiz.
make sure the engine is full of coolant.
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