Question about 1997 Toyota 4Runner

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1997 toyota 4runner. I flushed the cooling system. The heater blew hot air for a while. Now it blows coolair

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  • Anonymous Mar 20, 2014

    How to Burp Cooling System or remove air pockets.

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Check hose s make sure both hot. it not u have air in the lines. start engine cold remove rad cap and run car fill coolant to top of raadiator for about 20 minutes level will go down fill it up.. put cap on.. and fill resivor tank..

Posted on Oct 11, 2009

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Posted on Jan 02, 2017

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I HAVE A 1998 TOYOTA 4RUNNER SR5 AND WHEN HE ENGINE IS HOT HE HEATER DOES NOT WORK? iT BLOWS COLD AIR.


You could have a bad cooling system pressure cap or you could most likely have a low coolant level.

Oct 04, 2014 | 1994 Toyota 4Runner

1 Answer

I have a 1997 toyota tacoma that the heater works sometimes but not other times?


heater, totally dead.

1: blower working and blowing cold air ,

2: engine holds 180F or more all the time, HOLDS !! i use an IR pyro gun to do that as dash gauges suck.

3: heat lever bad, slipping or stuck (look)

4: some cars have no water valve, so use damper , it can stick closed.



if engine coolant was hot at heater failure we can work this easy.

yes< then is both heater hoses hot touch , fan on, engine hot.

see them as they enter fire wall, on both sides.?

you can in fact feel them on all cars.

ever do a real RAD cooling system flush , if not, BINGO, full of crap inside.

Dec 11, 2013 | 2007 Toyota Tacoma

1 Answer

My 2002 buick lasabre heater blows cold.


Assuming the cooling system is full and there are no air pockets, are both heater hoses getting hot when the engine warms up ?
If so, it could be a blend door problem under the dash.

Dec 13, 2012 | Cars & Trucks

1 Answer

My air conditioner blows hot air and my heater blows cold air. The heater will warm up after the engine has been running for awhile but when I turn the air conditioner on it takes power away from the...


check your blower motor under the passenger side of the dash, round plastic box three screws pull it out something might have fallen though your cowl and chewed up the fan blades. as for the ac your r-12 is probly empty or has a leak bring it to a local garage and have them flush and fill your cooling system. heater would be your thermostat not openig properly, by far your cheapest fix under ten dollar part.

Apr 04, 2012 | 2000 Toyota 4Runner

1 Answer

Car is overheating and does not blow hot air consistently. will blow warm air intermittently.


If it's overheating, and the heater core is not getting hot, maybe there is a blockage in the cooling system that can be rectified by flushing it out professionally.

Jan 28, 2011 | 2003 Toyota MR2 Spyder

2 Answers

1997 toyota 4runner's heat quit working


there is a blower in front and back and the blower in the front is most likely blown

Feb 03, 2010 | 1997 Toyota 4Runner

2 Answers

2004 Chevy Impala no heat. Fan OK. Engine warms up in normal time. 1 heater hose hot other one is not. Adjusting the heater control doesn't do anything. What controls the flow of water through the heater...


Your heater core is clogged. You can fix it. Disconnect the two heater hoses and put one into a bucket. Use an air compressor to blow into the other - it'll flush the contents into the bucket. Then reverse it - put the hose you blew into, in the bucket, and blow into the one that was in the bucket. This way, whichever side of the core had the clog, you can blow it out. Reconnect the heater hoses, and then burp the system or you can end up with air bubbles in the cooling system that can cause you to overheat. Click my screenname, go to Tips and Tricks, and follow the procedure there - it'll walk you through the whole procedure step by step.

Dec 23, 2009 | 2004 Chevrolet Impala

1 Answer

No heat just warm air


I think you are on top of your problem,,you dont need any one elses advice.
Complete rebuild of the cooling and heating system,, simple.

Jan 19, 2009 | 2001 Oldsmobile Alero

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