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12-07-2010, 12:20 PM
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#1 |
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Registered User
Join Date: Dec 2010
Location: AR
Posts: 25
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1994 Heater fix/repair
I have a 94 Z71 with almost 300K and it is my second truck and does not get driven much. I noticed the other day when I push the heater control buttons that it takes forever for the air to change from vent or defrost to floor. Is this the control flap in the heater box? How hard is it to fix or replace or does it just need lubrication and how hard is it to get to? Any help would be appreciated.
 94 Ext cab shortbed K1500 Silverado z71 package Deluxe two tone (silver/teal) All options avaiable in 94 350CID |
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12-08-2010, 12:14 AM
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#2 |
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Old Skool Club
 
Join Date: Jun 2001
Location: Benton, AR "The Heart of Arkansas"
Posts: 10,880
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Re: 1994 Heater fix/repair
A little cold snap and we think our heaters are supposed to work without any issue.
It probably is the blend door, which is located behind the radio. Do a search of HVAC systems, or blend doors and you'll find a lot of info. Here's a pic of what is under the dash....
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Member Nr. 2770 '96 GMC Sportside; 4.3/SLT - Daily driven....constantly needs washed. '69 C-10 SWB; 350/TH400 - in limbo The older I get, the better I was. |
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12-08-2010, 11:11 AM
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#3 |
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Registered User
Join Date: May 2004
Location: Minnesota
Posts: 4,621
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Re: 1994 Heater fix/repair
Watch the mechanism on the ductwork above the gas pedal move as you change the selection.
You may be able to see what is binding.
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For those of you that are wondering why you are not getting replies to your thread: Did you give the model, year, engine, fuel system type, and transmission information? If it is modified from what came stock from the factory, let us know that too. |
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