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How do i bypass the heater core in my 1987 regal ?

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Hi, I do not have a manual for your car, but the basic idea is shown in the diagram below. You disconnect both hoses from the heater core and remove one of them completely. Then you loop the remaining hose back to where you took off the other one. Please let me know if you have questions and thanks for using FixYa.

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Posted on Dec 30, 2010


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1 Answer

How to bypass the heater core in a 1992 Buick Regal

Pull the hoses off the heater core and connect then together. You will need a piece of pipe and some hose clamps to make a connector

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Would bypassing the heater core pose any problems to my engine?

No. You eventually will need the heat to defrost and de ice the windshield though.

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I would like to see what under the hood looks like and where the Bypass hose is and the upper hose

Which engine ?
The upper radiator hose would go to the radiator. You have hoses going to the heater core too.

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1 Answer

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: ---

How to Flush Heater Core?

How to Remove Heater Core ?
Heater Core Replacement?

To replace heater core?

How to replace heater core?
How to replace heater core on Buick Regal?
----------This will help.Thanks.

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I have a 1991 buick regal and when i turn the heat on only cool air blows out. it doesnt leak on floor either as if heater core was out. what should i do

Check that the heater core is not plugged by feeling the 2 heater hoses going into the firewall. If they both get hot, then the heater core is not at fault.

If they are cool, then the heater core is plugged then the heater core will have to be replaced.

Oct 29, 2010 | 1991 Buick Regal

1 Answer

How do i replace a heater core in a 1993 buick regal?

Hello. Remove air cleaner and duct assembly. Drain coolant. Remove both heater hoses at the heater core. Remove right and left instrument panel sound insulators. Remove rear compartment heat duct adapter bolt/screw and adapter. Remove heater outlet duct bolts and duct. Remove heater core cover. Remove heater core.

Jul 31, 2010 | 1993 Buick Regal

1 Answer

Can the engine damage If I bypass the core heater permanent?

You can bypass the core without damage as long as you don't cut off the flow of coolant through where the heater core was.

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I can smell anti-freeze when my heater is on

inside the car?

you possibly have a heater core the pass. floor mat wet or damp....most times when a heater core is leaking, you can actually taste it in the's actually sweet.

have it fixed, or bypass the core itself if it gets really bad.

hope this helps...

Jan 27, 2010 | 1987 Oldsmobile Cutlass Salon

1 Answer

Where is the heater core located on a 1987 Buick Regal and how do you take it off ?

It is INSIDE the Dash and With your Email Address I can send Illistrations on How to Replace it. Im At rejakwilson @aol .com

Sep 20, 2009 | 1987 Buick Regal

1 Answer

Where is the heater core, on a 1986 Buick Regal??

under the dash on the passenger side

Jan 05, 2009 | 1986 Buick Regal

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