On Sat, 05 Apr 2008 19:40:56 -0800, mac davis
<macsplinters@[EMAIL PROTECTED]
> wrote:
>Asked this 2 or 3 times in the Chevy 4x4 group with no replies, so
thought I'd
>try it here:
>
>95 small blazer, 4 door, v-6, auto, 4x4... most available factory
upgrades..
>
>The heating/AC often decides the temperature settings for us... Can go to
cool
>to hot randomly, or cold to hot, if the AC is on...
>I'm thinking some kind of vacuum thing or something, but have no real
idea what
>it might be..
>Gotta get it fixed before summer or it's going to lose it's place as our
daily
>driver..
>
>Suggestions?
>(besides getting a dodge, we already have 2)
>
>
>
>mac
>
>Please remove splinters before emailing
Check all the vacuum hoses in the HVAC unit. Does it swtich to defrost
from time to time too? If so that may indicate low vacuum.
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