BodybyFisher Posted May 21, 2007 Report Share Posted May 21, 2007 About two weeks ago when I did my water pump and radiator I noticed that when my AC clutch engaged it sounded sort of weak and not a real positive 'click'. I was going to put up a post about it but let it go. Today, I put tranny fluid in, and while it was idling cold I heard a squeal. When the clutch engages cold it squeals slightly. I replaced my AC compressor last year, maybe I should have set the AIR gap last year? I assume I need to set the air gap, has anyone done this? Thanks, Mike Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
MAC Posted May 21, 2007 Report Share Posted May 21, 2007 When I replaced the pulley and clutch plate all I did was use a clutch plate installer tool to torque the plate down and used a feeler gauge. I placed the gauge at three or four places around the plate to make sure the air gap was equal all the way around. Link to comment Share on other sites More sharing options...
BodybyFisher Posted May 21, 2007 Author Report Share Posted May 21, 2007 When I replaced the pulley and clutch plate all I did was use a clutch plate installer tool to torque the plate down and used a feeler gauge. I placed the gauge at three or four places around the plate to make sure the air gap was equal all the way around. Thanks MAC, so I just tighten the clutch to drive it on and make the gap smaller? thanks Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
Ranger Posted May 21, 2007 Report Share Posted May 21, 2007 Mike, Your description almost sounds like the belt slipping under the additional load of the A/C compressor. Have you checked the tensioner? Link to comment Share on other sites More sharing options...
BodybyFisher Posted May 21, 2007 Author Report Share Posted May 21, 2007 Mike, Your description almost sounds like the belt slipping under the additional load of the A/C compressor. Have you checked the tensioner? Thanks Ranger, I forgot to mention that my tensioner is new along with my belt. Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
KHE Posted May 21, 2007 Report Share Posted May 21, 2007 Sounds like the clutch air gap needs adjustment. It should be .020-.030" Kevin '93 Fleetwood Brougham '05 Deville '04 Deville 2013 Silverado Z71 Link to comment Share on other sites More sharing options...
BodybyFisher Posted May 21, 2007 Author Report Share Posted May 21, 2007 Sounds like the clutch air gap needs adjustment. It should be .020-.030" Thanks Kevin, is the procedure detailed in the manual? Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
KHE Posted May 21, 2007 Report Share Posted May 21, 2007 Yes - I think it is in the compressor minor repair / on-car service section. You'll need to use the clutch plate installer/remover tool depending on what direction it has to move. Kevin '93 Fleetwood Brougham '05 Deville '04 Deville 2013 Silverado Z71 Link to comment Share on other sites More sharing options...
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