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3.73's in a4 camaro

This is a discussion on 3.73's in a4 camaro within the Automatic Transmission forums, part of the Drivetrain category; i have a set of yukon 3:73's and i had to have them replaced once do to back lash not ...

  1. #21
    camaro_ss_97_
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    i have a set of yukon 3:73's and i had to have them replaced once do to back lash not being set just right. i have not had any problems since then

  2. #22
    Impounded
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    2000 Firehawk #506 A4

    i think i'll have to replace mine too. i have some chipped teeth and bearings.

  3. #23
    Impounded
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    2000 Firehawk #506 A4

    ok, so the shop i went to charged me $350 to inspect my diff. they said i needed new axles, bearings, posi, gears (due to chipped teeth) and quoted me at $2300. after shitting myself, i quickly began calling around trying to find a shop to get a second opinion. i found one and they inspected everything for FREE and said i didn't have any chipped teeth or bad bearings and deffinitely no bad axles. they said the pinion depth, preload and backlash needed adjusting. for 2 hours of labor and 2 shims it cost me $169. but since i ran it so long, the wear pattern was set and the whine is still there but not quite as bad and only from 40-45 mph and the vibration is gone at 80mph. so i spent $889 total to upgrade from 2.73's to 3.73's. this shop said they would have installed them for $150 which is less than the "favor" my guy did it for. it's official...i'm retarded.

  4. #24
    Tech Junkie hammertime's Avatar
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    Pewter Metallic
    2001 Camaro SS

    Quote Originally Posted by p_funk22
    ok, so the shop i went to charged me $350 to inspect my diff. they said i needed new axles, bearings, posi, gears (due to chipped teeth) and quoted me at $2300. after shitting myself, i quickly began calling around trying to find a shop to get a second opinion. i found one and they inspected everything for FREE and said i didn't have any chipped teeth or bad bearings and deffinitely no bad axles. they said the pinion depth, preload and backlash needed adjusting. for 2 hours of labor and 2 shims it cost me $169. but since i ran it so long, the wear pattern was set and the whine is still there but not quite as bad and only from 40-45 mph and the vibration is gone at 80mph. so i spent $889 total to upgrade from 2.73's to 3.73's. this shop said they would have installed them for $150 which is less than the "favor" my guy did it for. it's official...i'm retarded.
    Man, I think I'd be reporting that first guy to the better business bureau.

    Also, FYI - $2300 to rebuild a stock rear is insane! Check one of the site sponsors, complete bolt-in 9 inch or 12 bolts usually run about the same $$$ and offer much more durability!

  5. #25
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    its set up wrong.
    i've had my richmond 3.73's for a few months and just as quite as my original 2.73.
    it takes a mechanic that knows what he's doing. had richmonds done by other mechanics and the noise was horrible.
    white conv, a4, 3.73, jet hot, magnaflow, 20" niche,
    0-60 in 5.6 sec, 20+ mpg, torque= top end=:happy

  6. #26
    Impounded
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    2000 Firehawk #506 A4

    i had it checked and adjusted by another shop and they said the wear pattern had already been set so i'm going to have some noise until i replace the ring and pinion, but it's been months and i haven't had any problems, just a little whine at 40mph, then it goes away.

  7. #27
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    red
    2000 trans am ws6

    Whats the around the average Price a shop charges to swap A4 to 3:73s.

  8. #28
    Impounded
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    2000 Firehawk #506 A4

    i went to a general mechanic and it was $300 something, but then I went to a transmission shop and they said $150 if you provide the gears and bearings. They make a big difference.

  9. #29
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    black
    2002 z-28

    I had a richmond in my 98 and it was noisey i had it checked at the place i had it put in and it never went away. but i was told they were just noisey gears.

  10. #30
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    black
    2002 z-28

    another thing to add to this post i had a ring and pinion put in that was a GM part along with a auburn pro series posi unit. NOISY as hell maybe this one is set wrong but i believe that it is the posi unit.

  11. #31
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    Blue Metalic Silver
    2001 Z28

    Just to add my 2 cents, but when I had my 2.73's replaced with 3.42's it was recommended that I also change the carrier, so I did that at the same time and never had any problems with noise or anything else. My gears were made by EATON. Anyhow, I hope it all works out for you.

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