LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

no heat at idle

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Old 03-07-05, 03:09 PM
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abaisley
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Default fixed it!

Originally Posted by Lexusfreak
When was the last time you changed your engine coolant (and what type of coolant was used)? Any other parts replaced such as the water pump, thermostat etc?

Fixed it!! It was the cable attached to the valve that controls the coolant flow into the heater core (the piece under the hood, near the firewall). The cable came off. Reattached it in a matter of 1 second and heat works like a dream.

Thanks to this forum for providing the answers - was up all night reading everything related to heat issues.

Andrew
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