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1994 toyota pickup heater stopped working

Installed a new radiator to a 1994 toyota pickup and the heater storpped working

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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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1 Answer

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.

Jan 10, 2013 | 1994 Toyota Pickup

1 Answer

1994 Toyota pickup / 4WD / 4 cyl. Replaced heater core. Checked heater control valve- working correctly. Filled system from upper hoses at firewall to fill heater core. Connected hoses. replaced...

you could try running engine and open top heater core hose highest point should bleed it fully, failing that look at manual should tell how much water is in system

Feb 01, 2011 | 1994 Toyota Pickup

1 Answer

I have a 94 toyota v6 pickup, just replaced the radiator. topped off coolant, ran for approx 10 mins. temp gauge move to nomal operating temp. then turned on a/c to put a load on it, the temp then went up....

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.

Aug 18, 2010 | 1994 Toyota Pickup

1 Answer

1994 4cyl. yota pickup overheating. Flushed the radiator and replaced with new coolant which solved the problem for a few hours but starts overheating again. It does it idling, stopped, and gets worse when...

When it gets hot feel the 2 pipes comming out the radiator.if both are hot then the visco fan is not working.if only one is hot and other warm then the thermostat or water pump is not working

Aug 08, 2009 | Toyota Pickup Cars & Trucks

2 Answers

1994 Toyota truck over heat we change water pump , head job, radiator thermostat

did you guys flush the coolant system and make sure there wasnt any corosine in the radiator, plus on some of those models you have to make sure that all of the air bubbles are out of the system or it get almost like vapor locked and the water wont flow throught the system,, also check the heater core try by passing it and running the motor you might have a plugged heater core also ,,,

Jul 30, 2009 | 1994 Toyota Pickup

1 Answer

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

they probably had to disconnect the a/c condenser to remove old radiator and failed to reconnect it when the new one was installed. a/c won't work without it. i would make it their problem, it's not your fault. if they also caused your system to lose freon charge they should make that right too. the condenser is a little flat thing in front of the radiator, sort of looks like a radiator itself. refrigerant lines will run from compressor (it's a round belt driven thing mounted to front of engine) to condenser. they either didn't hook it up back up or somehow damaged it is my guess. hope that helps

Jun 15, 2009 | 1994 Toyota Camry

1 Answer

Heater not working

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

Mar 01, 2009 | 1994 Toyota Pickup

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