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How can I bypass the heater core - Cars & Trucks

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  • Cars & Trucks Master
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Not sure if this is what you are after but try this link..
Step 3: Connect the Hoses Together. Use a hose connector or hose coupler to attach the two ends of hose together. That way, the anti-freeze that would be routed through theheater core will instead just go through a short loop of tubing.

How to Bypass a Car Heater Core ' DoItYourself.com

www.doityourself.com/stry/how-to-bypass-a-car-heater-core How can bypass the heater core Google Search

Posted on Dec 15, 2016

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6ya6ya
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Posted on Jan 02, 2017

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wavoconqueso
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SOURCE: Heater core burned out and I want to bypass the coolant hoses.

Without knowing your car specifically I can suggest the generic way to do it. Locate the two heater hoses going into the firewall, probably on the passenger side. They're the ones that get hot and are about an inch + in diameter. Disconnect. Measure the inside diameter of the hose and purchase a short piece of galvanized or copper pipe (6 inches) at Home Depot. Connect both ends of the hoses to the pipe to form a loop. Secure the hoses so they don't land some place that would cause a problem.

I had this problem on an 85 Tbird. I had heard about a product called Bars Leak and tried it. It worked. No leaks and I kept my heater. You should be able to find it at any parts place at less than $10. Ground black pepper also has worked for me.

Posted on May 09, 2009

  • 25 Answers

SOURCE: A 1999 Kia Sportage. Heater core leaking.

tie both hoses together

Posted on Jun 25, 2009

stevenhurc
  • 450 Answers

SOURCE: BLOCKED heater core

remove one of the heater core hoses at the bulk head or firewall and loop together where they go to the engine so no coolant goes into cab (through firewall)

Posted on Jun 26, 2009

  • 1857 Answers

SOURCE: how to bypass heater core on a 1995 isuzu

you need to remove the two hoses going into the firewall and plug them.They sell plugs and hose clamps at the parts house. Measure the hose size which is either going to be a 1/2' or 5/8" or 3/4"

Posted on Feb 22, 2010

Testimonial: "very helpful...thanks for the info "

  • 70 Answers

SOURCE: heater core leak. How can I temporarily bypass

Purchase a hose mender or flush tee. Find the heater hoses under the hood. They will be on the passenger side of the engine and should be 5/8 or 3/4 I.D. hoses. Cut both hoses and install the mender or tee in between the two ends that go to the engine. Usually on hose is 5/8 and the other is 3/4. buy one of each size fitting and try to stretch the 5/8 hose onto the 3/4 fitting. If you can't, when using the smaller one, you will have to tighten the clamp extra tight when fitting the 3/4 hose on the 5/8 barb. get yourself two wormgear clamps in either case.

Posted on Aug 17, 2011

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2 Answers

Heater blows cold air--where is heater control flap or switch?


These cars are notorious for having blocked heater cores, causing the heater to blow cold air. That's because there is a heater core bypass hose near the firewall that allows the coolant to bypass the heater core. Eventually the heater core fills with gunk and no coolant passes through it. You'll need to disconnect the hoses from the heater core at the firewall and flush the core using a garden hose. Flush both ways till water runs clear. If you can't access the heater core fittings at the firewall, then follow the hoses from these fittings back to the engine and disconnect them at that point and flush from there. If you flush from the hoses in this manner, it is important that you clamp off the bypass hose at the firewall with a vice grip pliers.
Otherwise the flushing water will go through the bypass hose and not the heater core.

heater-blows-cold-air-heater-control#solution-section-hn15hvgbess52pvw4lrkzak3-4-1.jpg

Dec 21, 2015 | 2001 Ford Taurus

2 Answers

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.

Oct 24, 2015 | Cars & Trucks

1 Answer

Can i bypass heater core on a 2001 ford ranger edge 3.0 without bypass controll valve


to by pass a heater core just connect the two hoses to the heater core together with a connector and hose clamps.

Feb 20, 2015 | Ford Ranger Cars & Trucks

1 Answer

Heater is not getting hot enough


This is a very common problem on the Taurus, at least up until the 2001 model and possibly later. The Taurus design incorporates a bypass hose (near the firewall) that connects between the heater hoses entering and exiting the firewall in the engine compartment. As the Taurus ages (6 or 7 years old), the heater core under the dash increasingly gets clogged with gunk because the bypass hose provides a path for the coolant to bypass the heater core itself. The fix is to disconnect the heater hoses at the engine block (too difficult to disconnect these hoses at the firewall-no space) and flush the heater core through these hoses with a garden hose. Before doing this you must crimp (with vise grips and a rag to protect the rubber hose) the bypass hose--otherwise the flushing water will bypass the heater core. I attached the garden hose to an adapter that I could clamp into the heater hose to make the connection. BTW, the coolant in the radiator was a pristine lime green color -notice the dark brown color of the gunk flushed from the heater core. b4d9b81a-db6d-4a32-852d-2725671d69af.jpg d06ea83d-50ae-4178-a917-1275133ccd9c.jpg c195fd24-d013-4f9c-a878-5e49e1ff2612.jpg 2d1a9536-3c83-45c8-8d60-7eea7e95a4e8.jpg 1cc41e46-c4dc-4f8f-924c-4c751e5051f8.jpg

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Jan 02, 2014 | Ford Taurus Cars & Trucks

1 Answer

My heater core is bypassed, car overheats, leaks when started and shakes, lexus is200


More than likely since your heater core is by-passed,your thermostat was probaly removed and you may be without one.Here's a link to check and replace it.Here's a link to heater core.Your heater core could be bad since it was bypassed,does the front floor board have water stains anywhere.

Jan 28, 2013 | 2003 Lexus IS 300

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: ---

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

--------------
How to Flush Heater Core?

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

---------------
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.

Feb 04, 2012 | 2000 Lincoln Town Car

1 Answer

I put coolant in radiator and I get a/c but my heat doesn't work. I think my heater hose was bypassed by the previous owner. How do I fix the problem?


You should be able to look down in between the motor and the firewall and see if the heater hoses are attached to the heater core. Most of the time when they are bypassed it is because the heater core has started to leak. Instead of replacing the heater core (not a fun or easy job) they just bypass it so they won't leak coolant. So, if it is bypassed your probably looking at replacing the heater core in order to get heat.

Nov 09, 2010 | 1995 Pontiac Grand Am

2 Answers

My heater not working, i replaced thermostat and radiator hoses, had radiator flushed and rodded, and still no heat. What is wrong?


Too much blockage in heater hoses or heater core.
Bypass valve may be stuck on "bypass" .

1. Remove bypass "Tees", but don't discard.
Replace with straight-through hose fittings.
The core may start leaking under the water pressure since there is no bypass hose.

Once the heater starts working, put Tees back in place. You need bypass protection or the engine will overheat.

Sep 25, 2009 | 1996 Ford F150 Regular Cab

4 Answers

When you bypass the heater core the path for the water to go through the core is gone. Correct?, you have connected to engine water line out to the engine water input? thus bypassing the heater core........


No, you just won't have water flow through the heater core, Coolant flows through the engine through the lower radiator hose as the water pump sucks it out of the radiator and pushes it through the engine. It then flows out the top radiator hose when the thermostat opens. It then flows into the radiator to cool off.

Is your heater core leaking?

Aug 27, 2009 | Ford Expedition Cars & Trucks

1 Answer

Bypassing heater core on 1993 audi 90


yes u can bypass the **** core. all you need to do is, take the two hoses going to the heater core, and take em off the heater core, take one hose comply off, and hook the other remaining hose were the other hose was hooked up at.. this will bypass your heater core, but keep in mind you will not have hot air in the cabin of the car..keith...

Mar 14, 2009 | 1993 Audi 90

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