Question about 1992 BMW 318 Coupe

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Heater My heater only blows cold air. Fuses are ok not sure what the problem is?

Posted by Anonymous on

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  • BMW Master
  • 1,050 Answers

Heater resister is common to go on them

Posted on Aug 09, 2016


6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 116 Answers

SOURCE: BMW 325xi 04 Heater Fan working (sound) but not blowing any air.

motor is going bad replace it

Posted on Dec 11, 2008

tepfy
  • 319 Answers

SOURCE: Faulty Fan Heater - The main vents are just blowing out cold air.

all cars have a recycled air weather its called max or just recycle its doing the same thing. So if your getting cold air in one spot and hot in another it means your vents are not blocking where they are suposed to. It could be just a simple fix, by getting into the dash where your vent controls are and looking at the flap that tells air where it can and cant go. if its stuck then it needs to be cleaned and oiled. If the cable is corrodend clean it and oil it so it can move freely, or just reconnecting it may be the fix. it sounds like you are going to have to be adventurous, and play with the mechanics of your vents. Typicaly theres really nothing tough there to work on, just REMEMBER WHEERE ALL THE SCROOS AND CLIPS GO. I have forgotten where a few went in the past and had to listen to sqeaking noises till I took it apart again. There are vent seals wich are no more than the weather stripping you buy at the hardware store the 1/8 inch thick tape. You may need to thin it down with a razor, usually not. but it works great for fixing the seals in car heaters, because its the same thng just a different color. Which no one will ever see.

Posted on Feb 02, 2009

  • 1 Answer

SOURCE: heater blower not working

Possibly the final stage resistor (hedgehog)

Posted on Jun 21, 2009

  • 14 Answers

SOURCE: heater blows cold air

Check there is water in it first. A black cap on top of the radiator. If the level is ok then a wee red dipstick should float up.

Posted on Dec 12, 2009

  • 395 Answers

SOURCE: i have bmw 318ci and the hot air is not working,

The heater operates from the hot water from the engine cooling system flowing through the heater radiator which is inside the air ducts under the dash. I suspect that the control wire/cable that goes from the heater control lever has broken or become disconnected from the heater tap that controls the volume of hot water through the heater radiator. Some times there is also a flap in the air ducts that is operated by the heater lever tha varies the amount of air that is heated. The tap may be in the engine bay or tucked in behind the air ducting.

Posted on Aug 31, 2010

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1 Answer

My heater blows cold air. what is my problem and how do i fix it?


Have you checked fuses ? Might be your actuator. Does the heater motor run at all ? Are you getting any cold air at all ?

Feb 27, 2016 | 2010 GMC Terrain

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Heater blows cold air


First, make sure you are not low on antifreeze and that the heater is set correctly. Also, it is winter, make sure your coolant is not frozen. Heaters take longer to work in the winter when it is cold outside.

If the simple things are all ok, you may have a problem that will require diagnosis and new parts to repair. I recommend a pro shop with certified mechanics that will do the job right quickly the first time.

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1 Answer

Heater not blowing hot air


no year,? wow.
but is it blowing cold air. (or dead blower?) ill assume cold fast air.
ok there are only a few ways.
1: ENGINE NOT reaching, 180F temp and holding, (a meter check in 1min flat)
2; the HVAC failure.

check fuses. yet/?
does heater fail in all modes of heat and vent directions?

this sample page works on all cars.
the HVAC details vary but the principles are all the same.

http://www.fixkick.com/AirCond/heater.html

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First check your fuses .. make sure it is not blown ....Otherwise if fuses are ok ..Your Heater core is probably going ..or gone or you attenuator valve is not opening vents to let heat in ? is the floors/carpets wet ? especially on passenger side front or is the windows foggy wet ? Then you you need a heater core

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check you antifreeze level and make sure its full

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impeller is made of plastic on teh water pump and its slipping and spinning on the shaft renew before weather warms up as engine will overheat

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Check temperature heath controltemperature heather controlNTREPID Temperature/Heater Control 2000

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