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12-13-2004, 10:05 AM
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#1 | |
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AF Newbie
Join Date: Dec 2004
Location: JOHNSONVILLE, Tennessee
Posts: 2
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Vacuum Problems ???
G'Morning....my AC switches from dash vents to defrost when under a load or during hard acceleration. Does anyone have an idea on what is causing this and how to fix....Thanks.
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12-13-2004, 11:07 AM
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#2 | |
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AF Regular
Join Date: Sep 2004
Location: Templeton, Indiana
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Re: Vacuum Problems ???
it could be a bad vac. switch, or a cracked vac. line, and I think I remember reading something about a TSB about installing a redesigned check valve in the vac line that goes to the switch or something like that. I'll look around and see if I can find more info on that TSB.
__________________
when all else fails, get a bigger hammer.  Vehicles: 2005 suburban 1500 4x4 all stock, ex-fire department truck. 1987 Grand Wagoneer |
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12-13-2004, 12:53 PM
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#3 | ||
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AF Newbie
Thread starter
Join Date: Dec 2004
Location: JOHNSONVILLE, Tennessee
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Re: Re: Vacuum Problems ???
Quote:
I found it...TSB 24-01-96 Rev. A. Thanks. |
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02-20-2005, 08:58 AM
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#4 | |
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AF Newbie
Join Date: Feb 2005
Location: Charlestown, Indiana
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Not sure if you are still having the vac. problem, but I just joined the group. Your problem is the vac. check valve comming off of the manifold line. It costs $4.00 at the Dodge dealer, takes 30 seconds to install.
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