Air con stuck on cold air - Team Integra Forums - Team Integra
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post #1 of 7 (permalink) Old 02-15-2017, 01:37 AM Thread Starter
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Air con stuck on cold air

Hi everybody, this is my first post on this forum seeking for help because my heater isn't working, what's even worse is that even if I stick the slider on the hot section it still blows really cold air. I can't locate where my heater lines are either, any help would be appreciated
Thanks

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post #2 of 7 (permalink) Old 02-15-2017, 08:08 AM
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Sounds like your heater control cable has become disconnected. It's either disconnected behind your heater/air conditioning controls, which you'll need to pull out and see if it has.

Alternatively, it could've become disconnected on the other end of the cable. Look behind your console from the passenger side of the floor. You'll see a cable connected (or disconnected) from the heater door.





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post #3 of 7 (permalink) Old 02-18-2017, 12:29 AM Thread Starter
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Originally Posted by jjkz24 View Post
Sounds like your heater control cable has become disconnected. It's either disconnected behind your heater/air conditioning controls, which you'll need to pull out and see if it has.

Alternatively, it could've become disconnected on the other end of the cable. Look behind your console from the passenger side of the floor. You'll see a cable connected (or disconnected) from the heater door.
Hey, thanks for the reply, I checked underneath the passenger side dash and the cables are turning properly, but it enters a white box and I don't know what happens past there also there is a pipe on the firewall that appears to be cut off

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post #4 of 7 (permalink) Old 02-18-2017, 08:36 AM
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Ahhhhhhh...... You just found your culprit. Coolant flows in and out of those two hoses, into your heater core. Since coolant isn't flowing, you're not getting your heat. Looks like someone did a bypass on it.

And, I'd be willing to bet there's a reason someone did a bypass on it. Heater core "could" be faulty/leaking. If it's leaking, you'll need to pull the dash and replace it. You don't want hot engine coolant on the floor of the inside.

You won't know for sure if it's leaking/faulty, until it gets hooked back up properly. I can't think of a reason on why someone would bypass your heater core, unless it was leaking.

Did you recently purchase the vehicle?
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post #5 of 7 (permalink) Old 02-18-2017, 08:43 AM Thread Starter
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Ahhhhhhh...... You just found your culprit. Coolant flows in and out of those two hoses, into your heater core. Since coolant isn't flowing, you're not getting your heat. Looks like someone did a bypass on it.

And, I'd be willing to bet there's a reason someone did a bypass on it. Heater core "could" be faulty/leaking. If it's leaking, you'll need to pull the dash and replace it. You don't want hot engine coolant on the floor of the inside.

You won't know for sure if it's leaking/faulty, until it gets hooked back up properly. I can't think of a reason on why someone would bypass your heater core, unless it was leaking.

Did you recently purchase the vehicle?
Yeah late last year and I just coped with it. But I really need to fix it before winter arrives. Is there anyway I can test for a faulty core? Can I push water through it to see if it leaks, or is that a bad idea

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post #6 of 7 (permalink) Old 02-18-2017, 09:21 AM
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Pushing water through it is fine, but I don't think you're going to see if it leaks or not. A cooling system is under pressure, to around 15-16psi. Flowing water through it more than likely won't produce a leak (although it could if it's a really bad crack/leak).
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post #7 of 7 (permalink) Old 02-18-2017, 09:24 AM Thread Starter
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Pushing water through it is fine, but I don't think you're going to see if it leaks or not. A cooling system is under pressure, to around 15-16psi. Flowing water through it more than likely won't produce a leak (although it could if it's a really bad crack/leak).
Alright then thanks for everything, I'll see how much my mechanic will quote me for the fix

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