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J
jwc55
Newbie
·
From
South Bruce Peninsula Ontario
Joined
Mar 22, 2023
Last seen
29 minutes ago
·
Viewing thread
AC compressor pressure switch, single pin?
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J
jwc55
replied to the thread
91 silverado AC parts required for R134a
.
Yes, I've had a look at a friends 95 and seen the switch. The compressor ships with a block off plate and o-ring in place of the switch.
Apr 22, 2024
J
jwc55
reacted to
GoToGuy's post
in the thread
91 silverado AC parts required for R134a
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My 95 K2500 has high pressure cutoff switch, standard. On back of compressor 11 o'clock position.
Apr 22, 2024
J
jwc55
reacted to
PlayingWithTBI's post
in the thread
91 silverado AC parts required for R134a
with
Like
.
Yes, PAG46 - 150, you'll need to flush the entire system to get rid of the mineral oil used in an R12 system - or use an Ester Oil...
Apr 21, 2024
J
jwc55
reacted to
GoToGuy's post
in the thread
91 silverado AC parts required for R134a
with
Like
.
Oh cheese , I know the 93 had R12. I thought sure I read the change started with the 95. You are correct sir. :Big Laugh:
Apr 21, 2024
J
jwc55
reacted to
someotherguy's post
in the thread
91 silverado AC parts required for R134a
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1994. Richard
Apr 21, 2024
J
jwc55
reacted to
GoToGuy's post
in the thread
91 silverado AC parts required for R134a
with
Like
.
Nope, 95 was first year 134 was installed at factory. Good he'll be on top of it.
Apr 21, 2024
J
jwc55
reacted to
HotrodZ06's post
in the thread
91 silverado AC parts required for R134a
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As far as I understand the biggest concern is making sure you use compatible a/c oil. R134a takes PAG46 I believe, might check the...
Apr 21, 2024
J
jwc55
reacted to
GoToGuy's post
in the thread
91 silverado AC parts required for R134a
with
Like
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All the stock components, new staring from zero. Are compatible with R134. The easiest procedure is to follow the steps in the the...
Apr 21, 2024
J
jwc55
reacted to
Drunkcanuk's post
in the thread
91 silverado AC parts required for R134a
with
Like
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Watching this....on my to do list.
Apr 21, 2024
J
jwc55
replied to the thread
91 silverado AC parts required for R134a
.
My system just has the low pressure switch at the accumulator, but I do have the pigtails required for the high pressure switch. Every...
Apr 21, 2024
J
jwc55
replied to the thread
91 silverado AC parts required for R134a
.
Thanks for your reply and the info. I will be doing it at home with the help of a friend who is a GM tech
Apr 18, 2024
J
jwc55
posted the thread
91 silverado AC parts required for R134a
in
Engine Performance + Maintenance
.
Hello All I am replacing every last part of the AC system and want to change from R12 to R134a ( or its equivalent). The evaporator has...
Apr 18, 2024
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