Grease Fittings on a 99 STS???
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Cadillac Seville / Cadillac Eldorado Forum Discussion, Grease Fittings on a 99 STS??? in Past Cadillac Vehicle Discussion; Can anyone help me out here? I've been told by more than one mechanic that there are no grease fittings ...
  1. #1
    1999STSCresskill is offline Cadillac Owners Member
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    Grease Fittings on a 99 STS???

    Can anyone help me out here? I've been told by more than one mechanic that there are no grease fittings on my STS. I understand that there are none in the front but the FSM states that there are two fittings on the rear tie rod ends. My local mechanic and the local Chevy dealer both told me there were no fittings to lube. I'm getting a sort of creaking noise in the right rear suspension when I make a right turn only and I was wondering if this was because it's being starved of grease.

    1999 STS with 93,000 miles

    Does anyone have any thoughts on this?

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  3. #2
    JimD is offline Cadillac Owners Connoisseur
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    Re: Grease Fittings on a 99 STS???

    I do not know what year the zerks were removed from the rear tie rod ends; my '98 has them.

    Easy enough to see 'cause the tire rod end is far enough outboard that if too much grease is pushed through the fitting, the excess will drop to the inboard surface of the wheel and make a big mess.

  4. #3
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: Grease Fittings on a 99 STS???

    I don't recall any on the '99 my daughter had.

  5. #4
    nyremodel's Avatar
    nyremodel is offline Cadillac Owners Member
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    Re: Grease Fittings on a 99 STS???

    I have a 98 sls, and I couldnt find any grease fittings. The haynes repair book states that some models are lubricated for life.

    I'm not sure i'm entirely satisfied with something 'lubricated for life'......

  6. #5
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: Grease Fittings on a 99 STS???

    I guess when the part fails from lack of grease, it is at the end of its (shortened) life and thus was indeed lubed for life.

  7. #6
    ewill3rd is offline Cadillac Technician
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    Re: Grease Fittings on a 99 STS???

    No grease fittings.
    They have been gone for a long time. We see less and less of them every year.

    Tie rods don't usually creak anyway, they usually wear out and clunk. I have never replaced a rear one for being worn out.
    You could have a squeaky knuckle or a sway bar bushing that is dry or worn out. Can you jounce the rear bumper and duplicate the noise? If so you might be able to get down and listen to pinpoint the source while someone jounces it for you.
    Don't smush your head!

  8. #7
    1999STSCresskill is offline Cadillac Owners Member
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    Re: Grease Fittings on a 99 STS???

    Thanks for the warning about smushing my head! I'll check it out.

    Maybe they changed the grease fittings in the middle of model year 99 since it's still in the 99 FSM? I guess that's what threw me.

    If weather permits I'll get under there and check it out this weekend. It only makes the noise coming out of a right turn. I guess the right rear raises slightly coming into the turn -- when the suspension drops back down it makes the noise.

  9. #8
    clarkz71's Avatar
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    Re: Grease Fittings on a 99 STS???

    I havn't looked at the rear of my Eldo but the front end has fittings for the lower ball joints and the outer tie rods. Also the Moog replacement stabalizer bar end links I installed have fittings on each joint. That makes 8 grease fittings on my front end.

  10. #9
    ewill3rd is offline Cadillac Technician
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    Re: Grease Fittings on a 99 STS???

    Moog replacements are great and they usually do have zerk fittings in them.

    Most older cars do have plenty of zerks on them, but 'round about Y2K they started disappearing rapidly.

    See Y2K really did screw up everyone's car! LOL

    I know sometimes the lower bushing on the rear knuckle can develop a squeak and those can be hard to replace.

  11. #10
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    dennii825 is offline Cadillac Owners Member
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    Re: Grease Fittings on a 99 STS???

    I had a squeaking creaking noise in the rear of my 97 eldo which drove me crazy.I had both lower control arms replaced and the squeaking was gone.I don't believe they sell just the bushings you have to get the whole lower control arm,mine cost me 525$ for parts and labor.Hope this helps you...

  12. #11
    El Dobro's Avatar
    El Dobro is offline Cadillac Owners Connoisseur
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    Re: Grease Fittings on a 99 STS???

    There was a mid-year change to the rear tierods in '99. The early tierods had fittings, the later ones didn't.

  13. #12
    1999STSCresskill is offline Cadillac Owners Member
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    Re: Grease Fittings on a 99 STS???

    Those BASTARDS!!!

    thanks for the clarification.

  14. #13
    lookat is offline Cadillac Owners Member
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    Re: Grease Fittings on a 99 STS???

    Our car is a Seville SLS 1995. Yesterday I noticed a strange rattling noise in the right front suspension area. Even the mechanic didn't know what to make of it upon initial inspection. That was back in 2010. Now, here it is 3 years later and I too hear the sound only when turning the steering wheel to the right in a parking lot or at t corner, not going left. I took it home and inspected the wheel and found grease surrounding what may well be a ball joint that connects to the lower part of the right wheel. I smeared the grease all around the fitting wondering how long the boot had torn itself off the fitting. I know this is not normal. I noticed that the same exact location on the inner side of the lower part of the front left wheel had the same issue. just lots of grease, no boot. I drove the car a mile and visited the Kroger for tome pizza yeast and it seems as if for now the sound is not there. It has to be a missing boot and if the boot is missing, the grease is not being containerized inside the fitting and getting dirty and probably will make replacing the fitting necessary ASAP!. Any ideas for me? I am not a certified mechanic. I don't know too much about grease and joint fittings but I was told that they all must be booted to seal in the grease. Otherwise it gets all over the place and is no where permanent.
    What causes these boots to deteriorate? Why don't they make boots that are longer lasting for the average car owner, not just the race car drivers?

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  15. #14
    MoistCabbage's Avatar
    MoistCabbage is offline Cadillac Owners 10000+ Posts
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    This thread is 6 years old

    Ball joints don't typically rattle when worn. If it is a ball joint you're looking at, it's time for a new one. Can you upload a picture?

    Why do boots deteriorate? Age.

    Longer lasting??? Your car is 18 years old!

    Race cars are typically completely overhauled or replaced every season, with tweaks and repairs after, and even during every race.

  16. #15
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: Grease Fittings on a 99 STS???

    OMG !!! .............
    vincentm likes this.

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