PAUL T Posted February 25, 2020 Report Share Posted February 25, 2020 I think my AC compressor bearings are going bad and I wanted to bypass it until I can replace it. I know from past experience that it can be done and I did it on my 1994 Concours. Does anyone know what size to get on a 2004 Deville? I checked the pulleys, alternator and power steering pump and there doesn’t seem to be any binding or roughness in them. Quote Link to comment Share on other sites More sharing options...
BodybyFisher Posted February 26, 2020 Report Share Posted February 26, 2020 I am sorry @PAUL T I can't help you, but had saved this link, thinking it might be helpful one day https://itstillruns.com/determine-serpentine-belt-size-7260412.html Quote 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...
PAUL T Posted February 26, 2020 Author Report Share Posted February 26, 2020 Thanks Mike for the link. I was hoping that someone would have the belt length for the newer models. If I measure it I will post the information. I think I have the shorter belt on the 94, so I might try it. My wife is getting impatient and wants her car back.🤷🏻♂️ BodybyFisher 1 Quote Link to comment Share on other sites More sharing options...
PAUL T Posted March 30, 2020 Author Report Share Posted March 30, 2020 I put the old belt back on to see if I could pinpoint the noise it was making. It sounds like a whirring noise in the water pump area. The one thing that I did notice was that when you shut the car off the belt stops but the noise keeps going for a few seconds. I am suspecting the water pump. Has anyone had this problem before? Quote Link to comment Share on other sites More sharing options...
rockfangd Posted March 30, 2020 Report Share Posted March 30, 2020 Check the cooling fans. One of the only things I can think of that would continue to make noise after key is turned off Quote GM FAN FOREVER Nice, clean, luxury= fine automobile Link to comment Share on other sites More sharing options...
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