Heater Only Work When Drive
#1
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Join Date: Sep 2006
Location: tx
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Heater Only Work When Drive
Hey guys,
My car heater only blow heat when the car is moving, when I stop at red light then it start blowing cold air instead of heat. This happen also as well when the car idle in (P), then when I give some rev then heat start coming out. Please help me trouble shoot this.
Thanks for all your input.
95 SC400
My car heater only blow heat when the car is moving, when I stop at red light then it start blowing cold air instead of heat. This happen also as well when the car idle in (P), then when I give some rev then heat start coming out. Please help me trouble shoot this.
Thanks for all your input.
95 SC400
#6
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Ok guys, thanks for all your input. I check the coolant and it full. When the engine is on the coolant tank suppose to be empty on lexus? I know on Honda the coolant in the over flow tank just stay where it is but on lexus all the coolant been suck out of the tank?
#7
Zombie Slayer
Nope. You sound low. Burp the system, probably air in the system.
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#8
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Join Date: Mar 2006
Location: fl
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anybody have the heater totally go out? my gauge says max hot and blows no air on auto but i can increase the fan speed but it is cold air, almost sounds like a control module, any help would be greatly appreciated
#9
Keeper of the light
iTrader: (17)
^^ search "heater core control valve" or variants of.......
If I had a dollar for every time someone said "my coolant is full" when their heater didn't work I'd be rich. TOP IT OFF. "make it rain"
Ok guys, thanks for all your input. I check the coolant and it full
Last edited by O. L. T.; 11-07-07 at 06:25 PM.
#10
Keeper of the light
iTrader: (17)
Lemme show everyone this biichen little search engine we got in this here establishment........ This outta turn your grey skies blue...........
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