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Can the heater core be bypassed until a replacement can be made?
yes the heater core can be bypassed by connecting the heater hoses together
My defrost fan is blowing but will not defrost my windows?
That means either you have air in your heater core or your heater core is being bypassed
Why doesnt your heat in your 1989 Jaguar XJ6 work?
if the blower motor still works, somebody probably bypassed the heater core in the past.
With heater core being bypassed would this affect the air conditioning system of the expedition?
NO. Bypass the heater core by connecting the Inlet & Outlet hoses going to the heater core together. Do not plug either hose.
Will the low coolant light stay on if the heater core is bypassed in a 1995 ford thunderbird?
it shouldn't
How do you bypass the heater core on 97 grand am?
Remove the hoses from the heater core pipes and install a short piece of pipe in both those ends. Install hose clamps and it's bypassed.
Can the heater core on a Cavalier be bypassed?
yes it can, but dont really recommend it. if your car starts to over heat and the heater core not there you can not use the heater fan to help cool it down, also if you live in an area where it gets cold you wont have no heat.
What would cause the heater on a Mazda B2300 to work on and off and blow only cold air?
heater core is probably faulty if fan only blows cold, also check air temperature controls, vent may be stuck The heater core is basically another radiator in your vehicle that tranfers warm fluid from your engine/radiator to the inside of your vehicle. This usually means that it depends on continuous flow to work. The fluid supply line to the core could be blocked or routed incorrectly, or the core could be bad. Its possible that a previous owner had a leaking heater core and bypassed the heater core entirely (happened to me) and never told the purchaser.
How do you take the heater core out of a 1994 Thunderbird 4.6?
Bad news... Entire dash must be removed. My 1995 Thunderbird heater core failed in ealy December. Bypassed it. Dealer wants $800 for labor only.
No heat on a 86 xjs v12 but blower and ac work fine and there is no mention of any heat related fuses etc in manual help?
check and see if the thermostat been removedcheck to see if the heater core has been bypassed. if the heater core was leaking at some time in the past, the previous owner may have bypassed it (with a 2 dollar hose bypass kit) instead of actually fixing the leak. this was the case on my 1990 xj6.
1994 Camaro heater wont work?
you have a bad heater core
Have gotten the blower fan to work on your 1988 Mazda 626 but now there is no heat any idea's on what the problem could be?
For some reason, warm engine coolant is not being circulated through the heater core. Perhaps the thermostat is bad, the heater core could be plugged, the control valve could be broken or inoperable, someone could have bypassed the heater hoses... I'm sure I'm forgetting something.
