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Just dosent ride like a caddy.....


ThizzFace

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I just bought this 95'STS and the check engine light was on. ran for codes and

P052 {Which i think was caused by the battery dieing}

P109 { " " " " " " }

P132 {Which is my knock sensor im going to replace}

S036 {Electronic Level Control Compressor Short to Ground/Open}

S044 {Lift or Dive Signal Fault}

The one's im having trouble with are my suspension codes they are history codes but I've cleared the codes already and they keep showing up. I've also noticed the ride is not smooth like you would think a caddy would be. It kinda bounces all around which makes it a little harder to control when going over 50. I dont know if this is normal but when i turn the car off 10 to20 seconds go by and it sounds like a compressor turning on but it sounds horrible like a struggling compressor on it's last leg. I want to be able to have that caddy ride that i love so much so if anybody has any advice that would help an amature out let me know thanx for your time....................................

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When you turn your key on, your leveling compressor should run for about 10 seconds and turn off. Does that happen. You will need the diagnostics for S036 and S044.

How is the car sitting in the rear? HIGH, LOW or NORMAL?

You could need new struts if your are bouncing all over, unless your rear suspension is way high, which I have seen.

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

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well i went out and checked to see if the compressor kicks on when i turn the key on and it does. but i figured i would take some pics of the way it's sitting cause it seems ok, maybe a little high in the back but i could be wrong this is my first caddy. here is some pics and a brief audio/video of my compressor cause it really does sound bad... I dont know if it excepted my audio video file as an attachment so here is a link that should work

<embed width="430" height="355" type="application/x-shockwave-flash" wmode="transparent" src="http://s41.photobucket.com/player.swf?file=http://vid41.photobucket.com/albums/e286/yayarea1984/RecentUploads005.flv"></embed>

and if that dosent work cut and paste this url in address bar

http://s41.photobucket.com/albums/e286/yay...tUploads005.flv

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That Compressor sounds abnormally loud to me. The rough ride may be atrributed to the tires. Those type tires will have a rougher ride. What brand/model/size tires are they and what's the air pressure?

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It appears to be sitting about right, but those wheels/tires won't allow for a "Cadillac ride." The wheels are larger than 16", yes?

Struts typically become a problem after about 100K miles.

Regards,

Warren

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it has 140.000 so i think it is the struts, atleast it sure feels like it. The tires and rims came with the car there 17" but the tire's seem to be a little to low profile. but wouldnt that just cause it to be a ruff ride? im not getting a ruff ride, it's kinda like a boat in the ocean kinda ride alot of body rockin'

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At 140K miles you're overdue for new struts, assuming of course, they haven't already been replaced. Often they make a "clunk" sound on rough roads when they're bad.

Regards,

Warren

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There is no means of avoiding the final collapse of a boom brought about by credit expansion. The alternative is only whether the crisis should come sooner as the result of a voluntary abandonment of further credit expansion, or later as a final and total catastrophe of the currency system involved. - Ludwig von Mises

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ThizzFace, the shocks and struts are probably worn. Mine has over 155k on the original stuff, but I like the ride. If you drove my car, you might say it rides like a boat also; it's kind of hard to diagnose "ride" problems because it's such a subjective category. What is wrong to some is right to others.

Worn dampers (struts and shocks) would cause the ride to be like a boat. The low profile tires would cause the ride to be harsher. You probably feel more road texture and small cracks and crevices in the pavement than you otherwise would with the correct 225/60R16 tires. Those appear to be something like 225/45R17 or similar. It may appear that the car sits a little high, but that's just the tires being too small (in diameter). The correct tire is a 225/60R16, which is anywhere from 26.5" to about 27.0" tall, depending on the make and model of the tire.

Jason(2001 STS, White Diamond)

"When you turn your car on...does it return the favor?"

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Whatever tires you have, they should have a diameter near 26.6 inches to match the stock 225/60 HR-16 (or ZR-16) tires. Othewise you will have drivability problems. it looks like the tires you have on the car are nowhere near the right diameter.

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If it rides like a boat, then your shocks/struts are probably toast. My Deville has a boat/float feel, but not to the point it's undesirable...I like it actually. B)

I'd be looking to replace those tires if I were you, if you want that Caddy "smoothness". ;) I love my Michelin X radials.

If you replace your shocks with passive ones, then that compressor that's on it's way out won't need to be replaced, as you'll no longer need it. The OEM shocks are outrageous.

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Yea,

Don't spend thousands on OEM..

The OEM for the STS won't make it ride "like a Caddy"

Most of the time when someone says that they're talking about a

Deville or Fleetwood :)

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If you replace your shocks with passive ones, then that compressor that's on it's way out won't need to be replaced, as you'll no longer need it.

Maybe, maybe not. The passive damper solutions I have seen still retain the air shock functionality in the rear. So even though they're not "active" in the sense that they adjust damping for the road conditions, they still are air shocks, and the system still has the capability to respond to additional weight in the car.

These cars are designed to have a functioning air compressor and air shock setup. The rear springs are relatively weak by themselves, and you'll find that without a working air compressor, the rear of the car will ride quite low, even with the weight of just a person or two in the rear seat.

Jason(2001 STS, White Diamond)

"When you turn your car on...does it return the favor?"

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I agree Jason

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

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If you replace your shocks with passive ones, then that compressor that's on it's way out won't need to be replaced, as you'll no longer need it.

Maybe, maybe not. The passive damper solutions I have seen still retain the air shock functionality in the rear. So even though they're not "active" in the sense that they adjust damping for the road conditions, they still are air shocks, and the system still has the capability to respond to additional weight in the car.

These cars are designed to have a functioning air compressor and air shock setup. The rear springs are relatively weak by themselves, and you'll find that without a working air compressor, the rear of the car will ride quite low, even with the weight of just a person or two in the rear seat.

I didn't know that. My shocks are still original OEM. Thanks for clarifying. ;)

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Epriced, as you know I replaced my struts and rear air shocks, the after market air shocks work exactly the same as OEM in terms of leveling except the computer does not control the dampening.

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

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