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Heater works fine when warm temp gauge on 90 but when cold outside the heater only blows warm temp gauge goes to min had water pump and thermostate replaced water clear and level ok just seems to be whrn its zero degrees out side and below the heater doesnt work any ideas headgasket fine with no over heating issues

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  • 308 Answers

Year??????

Posted on Jan 21, 2013

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Posted on Jan 02, 2017

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SOURCE: 97 f 150 runs hot for minutes then runs ok

It could be a faulty thermostat. Did it do the same thing before u replaced the t-stat? It sounds like it's sticking closed, then all of a sudden it opens, coolant flows correctly. I'd consider changing it again. Check to make sure parts store is giving u the correct temperature thermostat also. Maybe it's too high for your Ford, delaying the opening.

Posted on Nov 25, 2008

  • 41 Answers

SOURCE: no heat when car not moving

Ok, judging from what you've said it sounds like a vacuum issue. The temperature controls are activated by vacuum which is produced by the engine. Look for small hoses that lead from the intake manifold to the firewall, check them and make sure they are not broken, disconnected, or leaking.  The vacuum directly controls the doors inside your dashboard which push the air to the heater core. Also make sure that the coolant hoses going to and from the firewall are hot.  If all that checks out, then the controls inside the car may have gone bad, or may have become disconnected from the vacuum supply, or the actuator door inside the dash is stuck or broken.

Posted on Dec 23, 2008

JMMARRERO59
  • 77 Answers

SOURCE: 1998 Dodge Durango no heat when using heater.

BLEND DOOR STUCK OR BROKEN. NEEDS TO REMOVE DASH AND HEATER/EVAP CORE BOS TO REPAIR REPLACE.

Posted on Jan 08, 2009

  • 366 Answers

SOURCE: 2004 Tahoe Heater Problem

check coolant level ,must be low ,chck for coolant loss

Posted on Mar 05, 2009

wracefans24
  • 1985 Answers

SOURCE: 1999 Oldsmobile Bravada Heating Problem

when engine is cold remove radiator cap and check coolant level,sounds like it is really low and has an air pocket in it.

Posted on Dec 11, 2009

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Have your thermostat checked, sound like it is not working when cold.

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Overheating problem


i had something similar once, it ended up being the intake radiator hose, it has a metal coil inside, mine was broken and when you revved the motor it would **** the hose shut and overheat, but under 2000 rpm it was fine .

Jan 21, 2012 | 1997 Peugeot 306

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Heater blows cold air


may need a new thermostat or just low on coolant

Dec 22, 2010 | Buick Regal Cars & Trucks

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My 2006 impala when it runs less that 5 min the temp gauge goes tohalf way ... and the heater blows cold while idle even after true warm up time... what is wrong


check the water level in the radiator to see if it is full, if not fill it, if it is still not function move the heat ac controller does if feel normal? if it does then you have a heater control vale not working. let me know if you need more help.

Mar 27, 2010 | 2006 Chevrolet Impala

2 Answers

First thing in the (cold) mornings heater wont work. water gauge flux's up and down weird . then about 20 mins into driving its warms up


Your engine coolant is what your heater gets the heat from. You need to start your car and let it warm up for awhile before any heat will come. This is how most cars heaters work. Yours sounds like it is working fine; most cars take a little while to warm up.

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Dec 07, 2009 | 1992 Toyota Paseo

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2004 Tahoe Heater Problem


check coolant level ,must be low ,chck for coolant loss

Mar 04, 2009 | 2004 Chevrolet Tahoe

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Heater blowing cold both sides


Does it blow warm air when you drive the car? If so its the water pump.

Could also be air in the coolant system

Also have the cylinder head pressure tested to rule out a hblown head gasket
Hope this helps

Regards
Steve

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2 Answers

My engine keeps blowing out the anti freeze through the fill tank overflow. I have a 2004 Super Duty 6.0 turbo.


start you truck. let the temp gage get to where it will start blowing the antifreeze out. than turn your heater on full blast. if the temp goes down and the water doesn't come out than you need to change you thermostate.

Aug 02, 2008 | 2005 Ford F 350 Super Duty

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