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Cadillac STS/STS-V Maintenance & Repair

85 messages,  Last post on Nov 23, 2009 at 6:40 AM

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What is this discussion about? Cadillac STS, Cadillac STS-V, Sedan

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#25 of 85 1997 STS Shocks. by strat Jan 29, 2006 (12:12 pm)
Howdy! I was wondering if anyone has tried to replace the shocks on this car with after market units. Mine are shot on all four corners. The original Cadillac shocks cost $1500.00 Canadian per corner! I am hoping to pull the fuse on the stability system and install regular gas shocks. I have already installed custom rear springs so that I don't have to rely on the air-shocks for load leveling. It would have been nice to have the shocks rebuilt but I doubt that is possible. Any suggestions will be welcomed. Thanx. strat. Replies to this message: paradigm468 (Apr 04, 2006 6:50 am)
#27 of 85 Re: 1997 STS Shocks. [strat] by paradigm468 Apr 04, 2006 (6:50 am)
Replying to: strat (Jan 29, 2006 12:12 pm) I recently replaced all the suspension shocks and struts, etc with aftermarket non-air ride on a 94 Eldo. It rides a little harder but the "service ride control" message on computer is driving me crazy. So far no joy in removing it from anywhere.
#28 of 85 4.9 L OIL PRESSURE by chevycar Jan 30, 2006 (3:05 pm)
i recently rebuilt the 4.9l engine in my 92 seville sts. the problem is i have the same low oil pressure i had before i rebuilt. pressure is about 5-7 psi. at idle. owners manual calls for 11 psi at idle. journals were all miked and i plastigaged all bearing clearances when installing and all were well within spec. has anyone ran into this problem before? is this just normal for this engine? i am running 10w30 oil was there ever a bulletin saying to use heavier oil? i will appreciate any info. thanks. Replies to this message: Mr_Shiftright (Jan 31, 2006 10:08 am) chevycar (Jan 31, 2006 1:43 pm) Mr_Shiftright (Jan 31, 2006 5:06 pm) taximom3 (Feb 05, 2006 10:52 am)
#29 of 85 Re: 4.9 L OIL PRESSURE [chevycar] by Mr_Shiftright HOST Jan 31, 2006 (10:08 am)
Replying to: chevycar (Jan 30, 2006 3:05 pm) did you rebuild the oil pump or at least measure it for excessive clearance?   Oil pressure at idle isn't so terribly important if it's really strong at highway speeds running at operating temperature. Replies to this message: chevycar (Jan 31, 2006 1:43 pm) Mr_Shiftright (Jan 31, 2006 5:06 pm)
#30 of 85 Re: 4.9 L OIL PRESSURE [Mr_Shiftright] by chevycar Jan 31, 2006 (1:43 pm)
Replying to: Mr_Shiftright (Jan 31, 2006 10:08 am) oil pump was new. cam, lifters, bearings,timing chain and gears and oil filter adapter were all new also. the biggest problem i have with the oil pressure is the sensor that belongs in it where i have the "wet" gauge right now. with the pressure so low it brings a message up on the dash "low oil pressure shut off engine". i would like to sell the car in the near future but that is not a good selling point. Replies to this message: Mr_Shiftright (Jan 31, 2006 5:06 pm)
#31 of 85 Re: 4.9 L OIL PRESSURE [chevycar] by Mr_Shiftright HOST Jan 31, 2006 (5:06 pm)
Replying to: chevycar (Jan 31, 2006 1:43 pm) Did you put in new rods? If you didn't, or didn't reconditionthe big ends, that's possibly the problem. The rod big ends might be distorted when they warm up. My first guess was cam bearings, the most likely culprit.
#32 of 85 Re: 4.9 L OIL PRESSURE [chevycar] by taximom3 Feb 05, 2006 (10:52 am)
Replying to: chevycar (Jan 30, 2006 3:05 pm)
#33 of 85 2000 Seville fuel gauge problems by cfgf7506 Feb 01, 2006 (4:57 pm)
For about 5 weeks the fuel gauge will start at F on a full tank drop to 3/4 back to F to 1/2 to 3/4 to 1/4 to 3/4,ect.Any suggestions? Replies to this message: jaymann (Apr 02, 2006 11:24 am)
#34 of 85 Re: 2000 Seville fuel gauge problems [cfgf7506] by jaymann Apr 02, 2006 (11:24 am)
Replying to: cfgf7506 (Feb 01, 2006 4:57 pm) I had same problem on my '97 STS. Service advisor suggested we try GM's fuel line cleaner (not exactly sure what is was called). He put two bottles - approx. $12 each and it solved problem avoiding need to replace guage float in tank. Worth trying before spending a lot of money.

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