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[Main C900 Bulletin Board | BBFAQ | Prev by Date | Next by Date | Post Followup ] Member Login / Signup - Members see fewer ads. - Latest Member Gallery Photos Re: Calling tranny experts again... Like This Post: - Subscribe to Daily Digest for this Bulletin Board Posted by SWEDECAR [Email] (#112) [Profile/Gallery] (more from SWEDECAR) on Thu, 8 May 2003 21:54:50 In Reply to: Calling tranny experts again... finished disassembly..., Jeff H, Thu, 8 May 2003 20:59:37 Alert me when someone posts in this thread: Members do not see ads below this line. - Help Keep This Site Online - Signup

Why those shims behind reverse gear wear out I don't know, but they are trashed on almost every tranny I take apart. Granted they have very little support behind them on that big pinion nut, but they are also stationary with the reverse gear and pinion nut. When the shims wear out, the front nut get loose, since that's the nut that packs all spacers together and squeezes them against those shims. Maybe the reverse gear is wobbling in the back under load, and therfore put stress on the shims?

1st to 2nd have an very easy time to crunch, even on a brand new tranny. It's another one of the famous Saab quirks. Inspect all the teeth on each gear and especially on the syncro sleeves for roundness/wear. 1-2 gear and syncros usually takes more beating than 3,4 and 5.
2nd to 3rd is not as common for crunching but happens sometimes.

Look for broken teeth on both reverse gears.

The spiderwebbing in casing is found on all trannys, it have to do with the casting of the housing.

Look also closely on 1-2 shift fork, it usually wear down.
Intermediate needle bearing, shaft and thrust washer wear out all the time on 88 and older trannys, (what year is yours?)

Anders

posted by 66.229.128...

SWEDECAR

• Calling tranny experts again... finished disassembly..., Jeff H, Thu, 8 May 2003 20:59:37
  • Crushed shims/loose nut, Skyler, Fri, 9 May 2003 15:15:40
  • you're welcome.......n/m, DougM , Fri, 9 May 2003 08:42:18
  • Re: Calling tranny experts again... finished disassembly..., chrisx, Thu, 8 May 2003 23:24:16
    • Re: Calling tranny experts again... finished disassembly..., DET, Fri, 9 May 2003 09:11:32
      • Re: Calling tranny experts again... finished disassembly..., chrisx, Fri, 9 May 2003 10:24:35
  • Thanks Anders, GregD. It's a '91 N/A. I found a..., Jeff H, Thu, 8 May 2003 22:22:36
    • Always,always,always do pinion bearings. The new, SWEDECAR , Thu, 8 May 2003 22:34:13
  • Re: Calling tranny experts again..., SWEDECAR , Thu, 8 May 2003 21:54:50 <-- Viewing This Message
  • Re: Calling tranny experts again... finished disassembly..., GregD, Thu, 8 May 2003 21:52:33

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