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Replace air con compressor with idler pulley ?


 
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Topdog
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Joined: 05 Feb 2011
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Location: Gloucestershire

PostPosted: Mon May 16, 2011 15:39    Post subject: Replace air con compressor with idler pulley ? Reply with quote

Hi there,

I recently had my air con recharged and it worked well for a bit, however the air con no longer works  Sad  - its a 1995 3.1

The blue light on the switch comes on but the clutch on the compressor no longer engages.  A few days earlier I heard bubbling on the drivers side so I guess I have a leak but can't see any evidence..... I have checked the fuses and it looks ok. Other than that the truck is ok.

I am not really bothered about having air con and I wanted your thoughts on changing the compressor for an idler pulley and a shorter belt as I don't really want the hassle of trying to fix an ageing system. Is changing the compressor to an idler pulley for a novice? Is there anything else that would need to be sorted? is there a supplier that you could reccomend for parts?

All your help very much appreciated as I don't really want to run the truck with no air con gas as I read this eventually causes the compressor to sieze and strip the belts  Shocked .

Cheers,

Dave
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TrooperDan
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PostPosted: Mon May 16, 2011 17:38    Post subject: Reply with quote

I have one....but I'm keeping it for when not if I need it  Smile  Most breakers have them and its a simple job to do. Only issue is the aircon system needs emptying by a specialist as the contents go and attack the ozone layer. otherwise its 30min job with basic sockets/spanners. 12 and 14mm IIRC
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DYLAN
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Joined: 25 Sep 2006
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Location: Chesterfield, Derbyshire

PostPosted: Mon May 16, 2011 19:21    Post subject: Reply with quote

Have a gander through this post, As usual with Rhanagar a brilliant write up on the subject Wink

Replacing the air con with a pulley <<<<<<<<CLICKY>>>>
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markymoan
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PostPosted: Mon May 16, 2011 19:25    Post subject: Reply with quote

I suppose if its leaked anyway then degassing isnt a problem  Wink
Other than that its very simple  Smile
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Rhanagar
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PostPosted: Mon May 16, 2011 19:31    Post subject: Reply with quote

Its a doddle ... just follow the method I used by following Dylans link. Make sure you get everything you need. The two bolts. A washer 5mm thick with an 8.5mm hole in the middle ... or at least a plate 5mm thick with a hole in the middle ... or as a last resort a stack of normal washers that make the spacer size. Get yourself a brand new belt. You want a power steering belt (just the one) for a non-aircon vehicle.
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1990 Isuzu Bighorn LWB Mk.I 2.8TD Manual Lotus Edition
1994 Isuzu Bighorn LWB Mk.II 3.1TD Auto Lotus Edition

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1994 Isuzu Bighorn LWB Mk.II 3.1TD Auto LS

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Rhanagar
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PostPosted: Mon May 16, 2011 19:32    Post subject: Reply with quote

P.S. Cheers for the compliment Dylan!
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1990 Isuzu Bighorn LWB Mk.I 2.8TD Manual Lotus Edition
1994 Isuzu Bighorn LWB Mk.II 3.1TD Auto Lotus Edition

Deceased
1994 Isuzu Bighorn LWB Mk.II 3.1TD Auto LS

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Topdog
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PostPosted: Mon May 16, 2011 20:01    Post subject: Reply with quote

Ryanagar, Markymoan,

This is BRILLIANT! Very Happy

I will gets the bits together then let you know how I get on.

Much appreciated, I owe you guys a drink

Dave
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markymoan
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PostPosted: Mon May 16, 2011 20:22    Post subject: Reply with quote

Not me mate, I sort of just said the same thing about the gas  Laughing
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DYLAN
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PostPosted: Mon May 16, 2011 21:06    Post subject: Reply with quote

Rhanagar wrote:
P.S. Cheers for the compliment Dylan!


Well deserved mate Wink
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Rhanagar
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PostPosted: Tue May 17, 2011 8:34    Post subject: Reply with quote

Just to confirm ... the only reason I flipped the adjuster bracket was the belts I had to hand were either too long (aircon belts) or too short (what was given to me with the pulley and had in the garage). If you get the correct belt you don't need to flip the adjuster.
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1990 Isuzu Bighorn LWB Mk.I 2.8TD Manual Lotus Edition
1994 Isuzu Bighorn LWB Mk.II 3.1TD Auto Lotus Edition

Deceased
1994 Isuzu Bighorn LWB Mk.II 3.1TD Auto LS

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and11
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PostPosted: Wed Oct 13, 2021 9:51    Post subject: aircon replacemnt Reply with quote

Hi i need to remove my air con compressor any one know were to get a idler pulley and belts from cheers
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