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Serious Vibration when a/c on
#573587 July 11th 2012 2:08 pm
Joined: Jul 2012
Posts: 1
S
sjwhvac Offline OP
stranger
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stranger
S
Joined: Jul 2012
Posts: 1
89' Chevy g20 Conversion Van.
Converting to work truck, no need for a/c in rear. Thinking of removing all those hoses leading to rear.
Just sayin'. Wonder if anyone has done same or whatever.

Re: Serious Vibration when a/c on
sjwhvac #573602 July 11th 2012 4:22 pm
Joined: Jun 2010
Posts: 18,286
Likes: 557
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Posts: 18,286
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Welcome to the site....I would check to see if the compressor is loose or the pulley is coming loose....


SUNSHINE VANS-VAN DIEGO
ADRENALIN BY THE GALLON & CHASIN RACIN
ONE FOR THE DIRT & ONE FOR THE STREETS
'93 CHEVY G30 454 4X4 SPORTVAN EXT 146" WB
'92 CHEVY G30 454 BEAUVILLE EXT 146" WB
Re: Serious Vibration when a/c on
sjwhvac #573606 July 11th 2012 4:43 pm
Joined: Aug 2005
Posts: 21,211
Likes: 25
N
Supreme Master
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I agree...sounds like the clutch on the compressor is failing.

I disconnected the rear heat/ac in my 94 Dodge. All I did was tie the rear lines back out of the way. However I did have to replace the heater hoses up front to eliminate the splices and remove the conversion company's splices for the a/c lines. All I run now is front a/c and heat.


Nate Breece
Re: Serious Vibration when a/c on
sjwhvac #573634 July 11th 2012 7:56 pm
Joined: Sep 2005
Posts: 9,855
Likes: 234
carpal tunnel
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carpal tunnel
Joined: Sep 2005
Posts: 9,855
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If the vibration changes with engine RPM then it's most likely the compressor. If it stays constant then you'll need to dig the dead leaves outta your blower wheel. grin


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