In the morning during my 12 mile drive to work, the car will only heat up to 175 degrees. When I get to work and park, the car slowly drops down to about 153 degrees in 10 minutes. Took it to the dealer because the coolant tank was empty and they said it was the water pump, so they changed it. Took it back a second time then they claimed it was the thermostat. So they changed that. Still doing the same thing. UGH!!! Any suggestions?
Check your coolant fans and see if they turn on the only you can find out is by letting the car warm up and opening the hood to see if it's working and if so then it leaves one other problem wrong coolant type or the radiator is plugged up and maybe even one of the hoses are bad or plugged
To troubleshoot this types of problem,click the link below
:----http://howtobyme.blogspot.in/2012/02/heater-blows-only-from-defrost.html
--------Go through the procedure to confirm the
issue.
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Engine Overheats and heater
blowing cold?
http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html
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Heat blows cold on drivers
side and hot on passenger side?
http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html
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No heat on car?
http://technoanswers.blogspot.in/2012/02/no-heat-on-oldsmobile-silhouette.html
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Heater blows intermittently and temp
gauge goes erratic?
http://technoanswers.blogspot.com/2012/01/heater-blows-intermittently-and-temp.html------------Heater blows cold?
http://schematicsdiagram.blogspot.in/2012/02/heater-blows-cold.html
---------Car heater blowing warm, but not
hot air?
http://schematicsdiagram.blogspot.com/2011/12/car-heater-blowing-warm-but-not-hot-air.html--------
Heater/AC blower motor not working?
http://technoanswers.blogspot.in/2012/02/heaterac-blower-motor-not-working-on.html
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A/C, heater, defroster fan, not
working?
http://technoanswers.blogspot.in/2012/02/ac-heater-defroster-fan-not-working.html
Heater problem?
http://technoanswers.blogspot.in/2012/02/heater-problem-on-isuzu-trooper.html---------
This will help.Thanks.
http://schematicsdiagram.blogspot.com/2011/12/heating-knob-light-bulb-under-dash.html
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Parking lights, tail lights and dash lights
not working?
http://technoanswers.blogspot.com/2012/01/parking-lightstail-lights-and-dash.html
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How to replace Instrument panel and dashboard?
http://repairhelpcenter.blogspot.in/2012/02/how-to-replace-instrument-panel-and.html
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Tail lights and dash light fuse keeps blowing?
http://technoanswers.blogspot.in/2012/02/tail-lights-and-dash-light-fuse-keeps.html
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This will help.
Thanks.
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