Question about 1989 Chevrolet Camaro

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Why bypass the heater core? whats the out ***

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There are pretty much two reasons someone would bypass the core 1. it is leaking and for some reason they don't want to or can't change it now. or
2. there is a heater control that can't be easily reached that is causing hot air to blow into the cabin in the summer. (there are other ways of fixing that though).
Either way, in bypassing it, the flow in the cooling system is not interrupted and it does not cause any damage to the engine. (where blocking it possibly could, even though that's unlikely)

Posted on Sep 04, 2009

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How can I bypass the heater core


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

Dec 15, 2016 | Cars & Trucks

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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

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1 Answer

I need heater hoses diagram for 93 Isuzu amigo 2.3. My system was bypassed & I need help


People rarely bypass the heater core unless it's either cracked or clogged beyond fixing!

Heater cores are usually behind the dashboard and it's about an 6_10 hour job if you know what you're doing.
Mechanics charge around $750 to $1200 to replace a heater core.

Dec 21, 2015 | Isuzu Cars & Trucks

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.

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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

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.

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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

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.

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96 grand am gt 3.1 v6 heater bypassed?


the heater core was probably leaking and the person disconected the lines from the ewngine its a very hard job to replace it and expensive find a friend who is willing to fix it for you

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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...

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