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How To Install Replace AC Compressor Belt Chevy Silverado GMC Sierra 4.8L 5.3L 6.0L 99-07 1AAuto.com
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Great video – only one very minor item worth mentioning. In your companion
Silverado video about the serpentine belt, you might want to mention that
if you’re doing both belts at the same time (like I was), do the AC one
first. 🙂
Thanks for watching. 1aauto.com 888-844-3393
Thanks save me a lot time and money
i used the video as a guide and what tools I needed but I didn’t need to
remove intake or skid plate like recommended. I have the 5.3 so maybe there
is more room but I was able to reach the bottom tensioner without removing
the skid plate. also I have an aftermarket intake so maybe that is why I
had more room to reach the upper tensioner.
Thanks for watching. 1aauto.com 888-844-3393 FREE SHIPPING in the lower 48
States.
I must tell you how much I appreciated watching your video. You saved me
hours of trying to figure out on my own how to remove and replace the outer
belt so I could install a new belt. Your video pics and angles specifically
showed me how to remove tension on both belts. It made uninstall and
reinstall a breeze That was a biggie…
Thankyou.Thankyou.Thankyou.Thankyou.Thankyou.
Turn the AC on and see how the AC clutch reacts, see if it shuts off when
you loose the cold air. If it does, check the AC relays and the power to
the system. Hope this helps you out. 1aauto.com 888-844-3393
I had similar problem, freon was at proper levels.
Great video. I appreciate you taking the time to make it. I have an 04
Silverado that had a compressor belt that was really worn. The compressor
seems to be fine spinning freely. I have a new belt to put on. This was
helpful.
@mikeaa000 I have having the same problem. From what I’ve been able to
find, it’s most likely the AC clutch that is locked. If you call a
dealership, chances are they won’t replace just the AC clutch, but rather
the entire compressor – my dealership quoted my 900-1500 bucks. At that
rate it would behoove me to just buy a new vehicle (2000 silverado – 188K).
But I was able to find a place that will replace the AC clutch as they have
the required “special” tools, going to call them as well.
We currently do not carry this particular part. Thank you for asking. Have
a great day.
GREAT VIDEO!!!! VERY HELPFUL!!!! THANK YOU VERY MUCH!!!!!!
very informative video..this helped me replacing my a/c belt on my 01 yukon
xl. the a/c belt is still slipping after replacing the belt and tensioner
and only slips when a/c is on, not when it’s off. doesn’t slip at idle
either, only when i accelerate. a/c cools very good at idle which it didn’t
do before i swapped to a new belt, it just blew out air that smelt of
mildew. could my clutch be locking up or my compressor going out? also,
what would cause the bad smelling air? thanks for helping
If the issue is only when it happens when the A/C is running, there might
be a bad bearing either in the pulley or there could be something wrong
internally in the compressor.
This video was great. I’d been stalling throughout the winter to replace
the ac belt on my 2000 Z71, thinking there was no way I could do it. But
today I thought I’d give it a shot. Confounded, I used the power of Google
to search for tips and this video came up as an option. I watched it and 30
minutes later my AC is back to working!
how do you tighten the AC belt?
If you are getting a mildew smell coming from the vents, you might have
cabin air filters that were installed in the vehicle that need to be
changed out. Some of those vehicles came with them, others did not so you
will have to check it out.
The serpentine belt tensioner should automatically apply enough pressure to
it so that it doesn’t squeal. Over time the tensioners can loose some of
their tention and need to be replaced. Hope this helps you out.
You may want to inspect the belt to see if it was coming into contact with
something that may have frayed it. 1aauto.com 888-844-3393
This video is much better than the Haynes repair manual. I bookmarked your
website for future. Thanks for putting it together!
Nice 66 GTO drop top!!
Great vid. The ac in my truck was coming out in in pulses. Slowly it
stopped working less and less. Now is doesn’t work at all. Could this be do
to the belt?
I have replace my Compressor belt twice and it keeps burning up why? thank
you.
Very Helpful video. Its great to have a video like this to help you out
when your trying to do repairs yourself. Thx
Thanks for this video! My ac belt snapped on my 01 Tahoe and this video
showed me how to replace it myself. All done in about 35 minutes!
is there some kind of trick to get a “new” belt over both the crank and a/c
rings…i tried over and over different methods but it never seemed to be
enough slack in the belt to go over both….
On that particular year I’m not 100% sure. You may want to ask the dealer,
they could tell you if your vehicle came equipped with one. Hope this helps
you out.
It may fit snug but shouldn’t be impossible either. If it’s a new belt,
measure it against the old belt to see if it’s the right size and not
smaller.
Great videos! Looks like I have my Next day off project before winter!
You may be able to install a shorter belt to by-pass it. Some vehicles will
have two different belt routing diagrams one with AC and one without.
what about the belt squeal? i tried putting another belt on 1/2″ smaller
but it wouldn’t go even with tensioner loosened all the way. the first
tensioner i put on to replace the factory tensioner broke so this is the
3rd tensioner on it. the slipping only happens while the compressor is
engaged and it has a new dayco belt and tensioner, i’ve tried belt
conditioner and even cleaned the pulleys with paint thinner to ensure
there’s no build up on it. would you say i need to replace the a/c clutch?
I’m missing a protective plate in front of my A/C belt in my 2007 1500
classic. Should there be a plate guard in front of the belt area?
i’m pretty sure my AC compressor is slowly dying. it’s making a sporadic
whine and grinding noise. will any harm be done to the engine if i remove
the belt until i get it fixed?
I just bought a used 02 Chevy z71 and the air doesn’t work and when I try
to put freon in it just acts like it won’t take it I just noticed that the
ac belt isn’t on, do you think that’s why the air doesn’t work and why it
won’t take the freon? Thanks for your time and helpful video any help would
be greatly appreciated and thumbs up!
I replaced my belt and it only lasted about 3 months. It kept making a
whiny sound whenever I turn the ac on but it would eventually stop, then
all the sudden the belt broke and its just hanging on the pulley. Is there
something else I need to do? Please Help!
The AC compressor needs to spin with the belt in order for it to work
correctly.
@mikeaa000 I’ll post back with a verdict on Monday.
does 1Aauto sell the engine shields? I’m missing mine and the dealer thinks
they come standard
After I changed my ac belt my truck started making a noise in the cabin ,
what should I do to fix any suggestions ? It was the ac belt ..