Temperature Control Selection Switch PROBLEM??

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#31

07-10-2011, 04:59 PM

03 rogers

Starting Member

Join Date: Jul 2011

Posts: 1

Quote:

Originally Posted by 20Blazer00

It would also be interesting to find out if the old controls have fluid in them, because there is a TSB on the HVAC controls malfunctioning when the vacuum switch on the transfer case fails allowing fluids to be sucked into the vacuum side of the controls...GM has a newer switch with a stronger seal to fix this problem.

i have a 03 blazer and i'm having problems with the A/C. I had i charged and it worked for about a week and a half then quit, today i qas driving and had the selector on defrost only with tempeture control on cool and after about an hour the A/C started working, i turned it to A/C and it ran for a while but kept coming in and out. Any solutions what's wrong?

#32

08-10-2011, 01:19 PM

terryknapp

New Member

Join Date: Aug 2011

Location: Sycamore illinois

Posts: 3

I have a 95 s10 and the temperature control switch, actually a potentiometer is broken. Any idea on where to get one of these instead of the whole panel?

If someone can measurethe resistance of one of these this would work.

#33

01-29-2013, 01:30 PM

gofast53549

Starting Member

Join Date: Jan 2013

Posts: 1

Having the same issue with 95 blazer. heat on floor and dash. vacuum lines all good. next step, replace heat selector switch. anybody know how to get the control panel out of the dash? (next to the radio) appreciate any help