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Heat only hot at higher rpms
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BigD81
New User
Feb 22, 2010, 4:29 PM
Post #1 of 2
(1471 views)
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Heat only hot at higher rpms
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2002 Pontiac Grand Prix SE
160,000km
Car heats great at higher rpms, then as soon as the rpms drop, no heat. Water pump?
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way2old
Veteran
/ Moderator
Feb 22, 2010, 5:01 PM
Post #2 of 2
(1468 views)
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Re: Heat only hot at higher rpms
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Sounds like the water pump might be the culprit. If the impellers are worn, it can't circulate enough coolant at low rpm's to keep the heat steady.
Being way2old is why I need help from younger minds
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