Question about 1995 Buick Skylark
There are two heater hoses,that go into the firewall into the car,just use a valve to put inline to shut the flow off,ether,or both is better,you will find them,besides the ac lines,they are the only ones going into the firewall.If this was at all helpful,please rate thank you.
Posted on Aug 21, 2010
Testimonial: "THANKS i wasnt sure because after chargin a/c it feels like the heater is on instead of a/c"
There are two small rubber hoses going to the firewall, those are the heater hoses.
Posted on Aug 21, 2010
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Posted on Jan 02, 2017
on some GMC models there is a valve that opens when you turn on the heat inside. It is called a heater control / actuator valve, it works off engine vacuum thru hoses connected under the dash, and going to the top of the valve. Now junk and crud and old rust will get in the valve and restrict it's flow. You will have to pull the valve off and clean it, but it is best to replace it, seeing it is hard to get all the junk out of it.
It looks like a L shape pipe with a hose on top & bottom, black plastic,and a smaller line on top mounted close to the wheel well about even with the exhaust manifold on the pass side. Drain the coolant, remove the valve and see if this is the cause, lots of gunk in the one hose. It is not real hard not real easy to replace this valve. Now if your truck does not have this valve check the pipe that the hose hooks to on top of the engine, remove the hose and see if a small screw driver will go down inside or if it is stopped up. .
Posted on Dec 07, 2009
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