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Old 10-31-2009, 01:55 AM   #1
tecky11
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o2 envoy

i have a friend of mine that has an 02 GMC envoy that has some strange cooling/heating issues.
both heat and ac come out of the bottom vents only and not the top, the ac system is fully charged. i think that it is the big V6. any ideas would be great!!!
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Old 10-31-2009, 07:08 AM   #2
truckdude239
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Re: o2 envoy

this is a known problem it is probably the actuators that control the blend doors
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Old 10-31-2009, 10:19 AM   #3
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Re: o2 envoy

how is this fixed cheap
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Old 11-01-2009, 09:44 AM   #4
truckdude239
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Re: o2 envoy

not no way to fix it cheap as far as i know
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1971 Chevy c-10 under going a 4.8l LSx swap

Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305

2007 Honda Accord my daily 145kmiles
2002 Honda Accord 4 door With 330k(sisters car)
2005 toyota Avalon 228k( brothers car)
2002 Sububran 5.3 245k
2000 Tahoe 5.3l 378

General manager for Marco's Carwash & lube
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Old 11-01-2009, 10:40 AM   #5
tecky11
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Re: o2 envoy

can i use the same actuators for the blend control doors off of a Blazer and save some green?, and where are the actuators loacted?

Last edited by tecky11; 11-01-2009 at 11:14 AM. Reason: rephrase question
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Old 11-01-2009, 01:13 PM   #6
truckdude239
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Re: o2 envoy

as to take i have no idea as i dont normally do that kind fo work hopefully someone will step in and know
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1971 Chevy c-10 under going a 4.8l LSx swap

Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305

2007 Honda Accord my daily 145kmiles
2002 Honda Accord 4 door With 330k(sisters car)
2005 toyota Avalon 228k( brothers car)
2002 Sububran 5.3 245k
2000 Tahoe 5.3l 378

General manager for Marco's Carwash & lube
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Old 11-03-2009, 04:18 PM   #7
tecky11
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Re: o2 envoy

any one know how to get this known issue fixed so he can have heat this winter???? any parts that will interchange with one another?
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Old 11-03-2009, 07:23 PM   #8
truckdude239
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Re: o2 envoy

call the Chevy dealer and ask they will let you know
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1971 Chevy c-10 under going a 4.8l LSx swap

Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305

2007 Honda Accord my daily 145kmiles
2002 Honda Accord 4 door With 330k(sisters car)
2005 toyota Avalon 228k( brothers car)
2002 Sububran 5.3 245k
2000 Tahoe 5.3l 378

General manager for Marco's Carwash & lube
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