Question about 1999 Chevrolet Malibu

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99mabliu I bypassed the heater core and it still bubbles back like it's running hot and steams like it too

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  • Chevrolet Master
  • 1,745 Answers

You are to get it served. I can tell you which parts are to be replaced, but, it's not easy DIY.

Posted on Apr 25, 2017

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Posted on Jan 02, 2017

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SOURCE: replace the heater core on f-150

Remove the glove compartment by pushing in on the sides and let it fall open. There is a plastic cover behind where the glove compartment with some small hex head bolts (8MM or 5/16in.) take those bolts out and the cover should come off and the heater core is behind that cover. Disconnect the hoses from under the hood and cap the pipes, if my memory serves me correctly the core should pull right out. If you can't cap the pipes try to keep the pipes pointing up as you pull it out to keep the coolant spilling out of the core.

Posted on Nov 25, 2009

  • 1114 Answers

SOURCE: heater not heating hot enough. heater core not

Good place to start is a cooling system flush and thermostat replaced.

Posted on Dec 28, 2009

BCAS1298
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SOURCE: How do you bypass a heater core on the 2000 Chevy

Yes it can be done. look at your engine on it there will be two heater hoses coming from the engine to the heater, disconnect those two heater hoses at engine, with heater hose and two hose clamps, get the hose and clamp first at auto parts, install one end and the other end of same hose, where you disconnected the heater hoses from the engine, you have just by-pass the heater, hope this was very helpful.

Posted on Jul 14, 2010

Testimonial: "Okay great thanks. I'll have to find a T, not much luck when I looked at Auto Zone or O'Reilly"

jturcotte
  • 8270 Answers

SOURCE: I have a 2001 Ford Taurus with heater issues.

No, there is no valve in your car. The likely problem is a clogged core. Would you like instructions for replacing it?

Posted on Dec 28, 2010

  • 5370 Answers

SOURCE: Can you bypass the heater core

For heater core replacing procedure. I suggest you to go through this related help links.Its all complete step by step procedure: ----How to replace heater core for All car models?

Click the link below: ---

http://technoanswers.blogspot.com/2011/11/how-to-replace-heater-core-for-all-car.html

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How to Flush Heater Core?

http://schematicsdiagram.blogspot.com/2011/12/how-to-flush-heater-core.html

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How to Remove Heater Core ?

http://howtobyme.blogspot.com/2011/12/how-to-remove-heater-core-on-2008-honda.html
Heater Core Replacement?

http://howtobyme.blogspot.com/2011/12/honda-heater-core-replacement.html

------------
To replace heater core?http://technoanswers.blogspot.in/2012/02/how-to-replace-heater-core-on.html------

How to replace heater core?http://technoanswers.blogspot.in/2012/02/how-to-replace-heater-core-on_10.html
How to replace heater core on Buick Regal?

http://howtobyme.blogspot.in/2012/02/how-to-replace-heater-core-on-buick.html
----------This will help.Thanks.

Posted on Feb 29, 2012

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2 Answers

I had to bypass my heater core. I snaked a hose from the input pipe around the motor and tied back in at the thermostat BYPASS HOUSING. I started with a 5/8 hose piece to a 3/4 elbow back to a 5/8 hose...


Was the heater core leaking? Have you checked your thermostat? By passing a leaking core should stop a running hot problem if that was your only leak. Does your cooling fan come on? Has the car been run extremely hot?

Oct 06, 2013 | 1993 Pontiac Grand Prix

1 Answer

Overheating


ckeck thefan clutch if you can spin it easy by hand eng. off! make sure the air is bled out of the cooling system if the fan is easy to turn its junk

Jun 11, 2012 | Land Rover Discovery Cars & Trucks

1 Answer

Water bubbling out of my cooler jug


If you have a blockage, which is highly unlikely, use a heater hose pipe connected to a hose pipe to flush the cooling system. I reckon there is either a large air bubble or the water pump is not working properly.

Jul 12, 2017 | Land Rover Discovery Cars & Trucks

3 Answers

Defrosting vent is steaming out and smells like anti freeze. would it be heater core


It sounds like it, feel the rug on the passenger side if its wet then that will confirm a heater core problem.

I hope this helps you out, if it does any positive feedback would be appreciated. Thank you.

Apr 09, 2011 | 2004 Ford Freestar

1 Answer

Steam coming out vents haven seen any leaks yet


Hello jgreenley32: My name is Roger and I will help you. Steam from the a/c and defrost vent generally means a leaking heater core. The steam usually has a really sweet sickening smell to it. The longer you run the engine the thicker the steam. The way to tell for sure it is the heater core would be to bypass the heater. To do this just remove the heater hoses from the heater core at the fire wall area. Not sure where they are just follow the hoses from the engine back to the firewall on the passenger side of the truck.Remove the hoses and plug them off or put a splice between them. Start the truck and warm up the engine. If the steam is gone ? Then the heater core is bad and needs replaced. Should you need further help please just ask. Please rate the answer. Thank You for using Fix Ya. Roger

Mar 29, 2011 | 2001 GMC Jimmy

2 Answers

New thermostat,water pump,alternator.battery,head gasket i can drive the car ror 15 miles i hear water sounds like in dash then sounds like it releases. it will run hot for a while . i cut it off for 10...


the car will run fine with a heater core bypassed..though if the h-core was leaking there should be water on the pass side floor...you may want to check out your fan switch

Mar 21, 2011 | 2000 Pontiac Sunfire

1 Answer

My 2004 grand prix has a hole in the heater core. unfortually becuase of my financial situation i am not able to fix so i bypassed the heater core. but now my car is running hot. it never did before....


1) Are you sure that you got all the air out of the cooling system after your heater core bypass surgery?
2) Did you bypass the heater core by plugging the two hoses to each other, or did you cap the ends of the hoses? If you capped them, try using a pipe nipple to plug them together so water can move through the hoses.

Jan 23, 2011 | 2004 Pontiac Grand Prix

1 Answer

My car made a loud noise and then hot water and steam went on the floor. what could this be? should I bypass the heater core and how do I do it?


One could bypass the heater core by joining the two tubes inlet and outlet together with a U joint, but heater cores don't cost that much and after an aftermarket heater core is put in, they usually don't fail because of their all metal construction (vs. the plastic collars that break in the original equipment heater cores.).

Sep 18, 2010 | 1991 Chevrolet Cavalier

1 Answer

My 1996 Cadillac Sedan Deville heater blows cool air and engine is running at normal temps. It never seems to get up to temperature.


If you are not the original owner, the previous owner may have bypassed the heater core. The heater core is like a small radiator that has hot water running through it from your motor. It is inside of your dash board, near your a/c and heater controls. That is how yur car gets hot air. The air runs through the heater core making it hot. Bypassing it is a cheap and quick fix for a leaking heater core. When they get a leak, they leak all inside the car down to the floor board. Check under the hood along the fire wall. If it is bypassed, you will see two hoses spliced together. One will be bigger that the other slightly. If this is your problem, you are more thatn likely need to replace your heater core

Dec 12, 2009 | 1996 Cadillac DeVille

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