1996 Honda Civic No heat/thermostat slider won't work prope

MRDANJK

MEMBER
1996 HONDA CIVIC
4 CYL
FWD
AUTOMATIC
160,000 MILES

So, I'm not sure how to describe this problem. The slider to choose cool to heat doesn't work properly. It doesn't slide all the way over to the cool side, like something is blocking it? It goes to the heat side, but I have to force it. Even then I get no heat. When I press the AC button, I get cool air though. What's the problem? Winter is around the corner, Please help!

4 Replies

F4I_GUY

MECHANIC
3,302 POSTS

Check the function of the hot water valve and the cable that controls it.

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Monday, September 7th, 2009 AT 10:37 AM

MRDANJK

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6 POSTS

Thanks. Where is that exactly?

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Monday, September 7th, 2009 AT 11:56 AM

F4I_GUY

MECHANIC
3,302 POSTS

Follow the heater hoses to the firewall (in the engine compartment) one of the hoses will have what looks like a little plastic valve (roughly 2x2") with a cable going to it. Make sure it fully opens and closes and the cable isn't loose or disconnected

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Monday, September 7th, 2009 AT 12:53 PM

MRDANJK

MEMBER
6 POSTS

I fixed it earlier today. But ya, that's what it was. A lever under the dash had come disconnected. Easy fix. Now I just need to find a new harness for my power windows/locks on the driver side. I need a replacement, and I don't want to go to the dealer, cause that would be too expensive. Thanks for the help!

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Monday, September 7th, 2009 AT 10:03 PM