Question about 1994 Toyota Pickup

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Heater not working

Installed a new radiator on a 1994 toyota pickup and the heater stopped working

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First check for an air pocket in the system and what I mean by this is let the car get up to temp and put coolant in the overflow bottle until it gets to the HOT line mark and it is very possible your thermostat is sticking because you had to drain the coolant to change the radiator

Posted on Mar 01, 2009

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SOURCE: 1994 toyota pickup heater stopped working

Sounds like there is air in the cooling system causing the engine not to overheat but the heater not to work. Flush cooling system and work the air out of the system.

Posted on Mar 01, 2009

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Heater stopped working


If the heater hoses are hot, and the radiator is full of coolant, it could be a heater control valve or blend door problem.

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Did you recheck the water level at the radiator filler cap after the engine was at normal temperature (ie after about 15 mins idling with heater control on full and fan on Low) because it sounds like there is an air lock in the system. Air lock should clear after thermostat starts to open. This is indicated by the top radiator hose becoming hot to touch.

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1 Answer

Toyota dealer installed a new radiator in my 1994 Camry, and afterward the air conditioning stopped working. What did they do?


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1 Answer

1994 toyota pickup heater stopped working


Sounds like there is air in the cooling system causing the engine not to overheat but the heater not to work. Flush cooling system and work the air out of the system.

Mar 01, 2009 | 1994 Toyota Pickup

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