Question about 2001 BMW 330

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No heat from heater

I think water pump gone, Its suddenly not letting heat through plus its been using water for a few montrhs. How easy is it to do the water pump

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  • Terry Engel May 11, 2010

    How mechanically inclined are you? (not being a wise guy)



    Before you go tearing through your car, start your car..open the hood, and look down at your water pump..be careful of the fan....if your water pump is leaking you'll see it...somtimes the leak is hard to see so search carefully with a flashlight...If you can't see the leak..give yor car a few inutes running time and then back up a few feet....if your pump is leaking there will be a puddle under your car.



    Hope this helps you

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Pretty simple easier if the fan does not run from the water pump and change the thermostat and drive belts at the same time.. if the fan is off of the waterpump it the nut loosens turning it right not left

Posted on Jan 04, 2009

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My 1999 dodge caravan is still overheating. I have already replaced the thermostat and the water pump, also there is no heat. please help me someone!


Hi there.
Well you can either have a problem with either radiator outer {dust/dirt in outer core of radiator or clogged up inside were water goes, or soft hoses,blowen head gasket plus a few others ,but first go to garage to were you blow up your tyres and use the air hose and blow out the radiator core where the air goes in, 2 drain out radiator water and then refill with water at 1 ltr at a time and then check your info car book and find how much water the radiator takes ,if it dosent take all the ltrs then the radiator is blocked inside.
if engine runs rough missing etc then get your Head gasket checked out.
When you say no heat is that with heat on gauge or no heat from heater, as it could be heater blockage same as radiator core. So let me know how you get on.

Feb 16, 2015 | 1999 Dodge Caravan

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Dan how do I bleed 2004 Kia coolant car temp is good but sometime at idle heater starts to blow cool hit throttle gets great heat


I agree with your logic. Attached vid addresses bleeding. Sounds like at low rpms, not enough flow to transfer the heat. So bubble or maybe a partially obstructed core. There are a couple of vids on clearing a core... GOod luck, let us know if you figure it out.

Jan 11, 2015 | 2004 Kia Sorento

1 Answer

Very low heat coming into the cabin.


I would think at some point in the vehicles time life some one has added a stop leak(bars, penzoil) or pepper to plug some kind of leak. Doing a flush won't always clean system out and yes your heater core is plugged giving no heat. Unfortunately its not an easy replacement as the other post is correct, complete removal of dash to get to heater core assembly.

Nov 16, 2012 | 1998 Dodge Dakota

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My car keeps overheating when i turn on the heat...could it be the water pump?


waterpump or water leak. check your water levels, and turn the heater temp up, if its still cold then there is either a problem with your heater matrix, air in the system or water pump is knackered. to check for air pockets in the system take the cap of your water bottle and let the engine run for 15 mins. this will let any air pockets escape, and remember to check the water level afterwards. if you heater matrix is gone then you would probably find that no hot air comes through or their are wet patches in the front passanger and driver carpets.

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2006 Equinox over-heating


There is a few things that could course your car to be over heating

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  • Coolant Leak
  • Water Pump Failure
  • Head Gasket Failure
These are some of the common problems as your car is reasonable new i would't think the head gasket has gone it is more then likely what you say that the water pump is broke probably the impaler has broken off. To bleed the system you need to get it up to running temperature and remove the bleed screws in the cooling system starting from the highest one working down then back up. If you find it is hard to bleed and no coolant is being pushed out it is more then likely that the water pump has gone. To test if the head gasket has gone take off the oil cap and look for a mayo type gunk around it if there is then this means that water is getting into the oil system meaning the head gasket has gone another test is to use a spacial liquid that test for exhaust gases in the coolant system.

Tom

Jan 16, 2010 | 2005 Chevrolet Equinox

1 Answer

I have replaced the rad cap, water pump, thermostat and water pump heater on my 2000 Chevy Venture. The rad and heater core are good. The water pump heater was in for 2 days working great and now I'm...


first of all the water pump doesn't have a heater, all the water pump does is cycle water (coolant) throughout the cooling system, the heater is up inside the dash behind the glove box.

I would feel the two 3/4" heater hoses that run from the engine into the heater core, if both of them are hot (providing the engine is at full temp) it one is hot and the other is cold maybe the heater core is plugged.

Jan 10, 2010 | 2000 Chevrolet Venture

1 Answer

Sound coming from passenger side when i turn the heating fan


I would remove the fan motor. You may have ingested something from the glove box into the fan motor. This is a known issue, the opening for the heater box is directly behind the glove box, and papers can get sucked into the heater fan. The fan is held on by 3 screws, under the glove box, it is easy to remove.

Regarding the coolant loss, I would suspect that you have a water pump leak. A slow leak is not uncommon, and a pressure test will hold the pressure. I would have the water pump examined.

Hope this helps; a FIxYa rating for my assistance would be greatly appreciated.

Jan 14, 2009 | 2003 Toyota Tundra

2 Answers

Car over heating


any leaks? if your coolant is disipearing then yes its a leak or the head gasket is eating it, make sure your over flow is full, if it keeps eating it with out leaking out of the engine you need a hg, if its not eating it and still over heating then the water pump is out or it could be leaking from the water pump also. either way your loosing coolant somewhere and the water pump cant push air so the engine over heats from lack of coolant and with lack of coolant it doesnt flow up to the thermostat and to the heater core and that is why you arnt getting heat in the car. sorry if its not an easy fix but atleast its explained clearer for you. good luck let me know how it works out

Erik
U.S. Army

Dec 11, 2008 | 1991 Peugeot 405

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