MY QUESTION IS RELATED TO HEATING

2006 Cadillac DTS

Tiny

Anonymous

October, 20, 2012 AT 1:17 PM

My question is related to heating. The vehicle will not heat up when idling, but blows warm/hot air air when it is being driven. It appears normal after this, and the temp gauge indicates the appropriate temp. Range. On occassion, the gauge did rise higher, but then returned to normal. I added coolant to the reservoir, but problem continues. I was thinking it may be the thermostat. Any assistance appreciated.

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Temp Gauge

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2 Answers

Tiny

mhpautos

October, 20, 2012 AT 1:19 PM

May well be a faulty thermostat, it may be stuck open or collapsed in the open position, I would be checking this first.

Tiny

Wrenchtech

October, 20, 2012 AT 1:20 PM

It could also be low on coolant causing an air pocket or a restricted heater core.

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