Question about 1995 GMC Sierra C1500

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How to change a heater core in a 95 gmc sierra c1500 piccup

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Best place to find the information you need, plus a lot of additional useful information is by registering for free at The registration gives you access to dozens of free manuals which are very helpful.

Note that I am not affiliated with autozone, but pass this along as useful information.

Posted on Oct 07, 2010


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2 Answers

Heater control valve 97 GMC Sierra

Temperature is controlled by an air mix door inside the HVAC compartment. This door is either electrically actuated if you have an electronic climate control system, or a cable for manual control. Most probable cause is a failed electric actuator (air mix door control module).

Apr 17, 2017 | 1997 GMC Sierra

1 Answer

I have a 95 gmc sierra and heat does not work. I havechanged the thermostat and the heater core what else could it be

You have a Valve on the pass side of the engine. It will have a small Vacuum line on top, and three water lines one of which goes to the heater core. This valve can get stopped up or the vacuum line falls off. Check that out. This valve lets the coolant flow into the core when open, or it by-passes back to the block.

Oct 16, 2010 | 1995 GMC Sierra

1 Answer

How do I replace the heater core in a 1986 GMC Sierra Grande? How much does a new heater core usually cost?

Usually around $80.00 canadian............The core is located under the dash on the passenger side in the plastic duck work by the fire wall....Hope this helps.

Sep 04, 2010 | 1986 GMC C1500

1 Answer

Can't get my belt back on after changing alternator on 95 gmc sierra. If I knew what the idler arm pulley is I'd adjust it.

figured it out myself. It was pretty simple. Hard to believe you folks want money for something like that.

Mar 06, 2010 | 1995 GMC Sierra C1500

2 Answers

Diagram of rear brakes 95 gmc 1500

what size brake shoes go on a 2 wheel drive 95 GMC SIERRA

Nov 02, 2009 | 1995 GMC Sierra C1500

2 Answers

1996 GMC Sierra Leaking Coolant

the intake manifold gaskets are leaking. its a common problem on GM's.

its not a hard repair but it is time consuming.

Apr 11, 2009 | 1995 GMC Sierra C1500

1 Answer

1988 gmc sierra temp gauge

you could have an air lock in the system. Run with rad cap off and cycle the thermostat, adding coolant as required. Or a possible heater core.

Mar 05, 2009 | 1988 GMC C1500

1 Answer

'95 sierra 2500. not heating up. replaced thermostat .

check and see if the heater valve is opening. it should be on one of the heater hoses. If it is open make sure that all the air is out of the engine. check and see if both sides of the radiator are the same temp. They should both be the same. If it was working before you changed the stat, then it could be a bad stat

Feb 28, 2009 | 1995 GMC Sierra C1500

1 Answer

Heater core replacement

not the whole dash.the glove box door and liner, the kick panel and un-bolt the lower right corner of the dash.

Oct 04, 2008 | 1995 GMC Sierra C1500

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