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Hi Folks,

Background: About four weeks ago, my '94 aero with 68k on it died suddenly on me. I towed it two garages, which told me that I need a new timing chain, etc. The last guy told me that the damage was very extensive and it would cost close to $3,000. He also mentioned that I need a rebuilt head, due to bent valves(after a compression test) Last Friday, I took it back home and decided to pull the engine out and put in a used engine.

The problem with a used engine is that you just don't know the true mileage and the cost at the boneyards were around $1,500. I finally resolved to see if I do could do the work on my existing engine. I pull the engine and tranny out and took off the timing cover. The timing chain and balance shaft chain is complete in tact and looks fine. I discovered that about one inch off the top of the timing chain guide broke and apparently jammed the chain(s). That was the problem!!! Saab made these guide out of plastic. That was stupid. Really stupid.

Anyway, I am going to replace all the guides(good and bad), get a rebuilt head from Errikson and get my baby back on the road. The cost shouldn't be more then $1,000. A far cry from $3,000.

I've never done this job before, but I think it is difinately doable, thanks to this board. Quick question:

(1) I believe Zeke mention to watch out for the intermiate shaft because it can break easy. Where is this located. It is the shaft that joins the axle hubs?

I will keep you guys posted.

Thanks
Patrick



posted by 205.188.20...

• '94 Aero..."busted timing chain"....saga cont(long), Patrick, Wed, 28 Aug 2002 23:58:59 <-- Viewing This Message
  • I agree with you, Robert Kaplan, Fri, 30 Aug 2002 10:37:47
  • Alot of info....but, Patrick, Thu, 29 Aug 2002 17:50:57
    • Can I ask you a question?, Street, Thu, 29 Aug 2002 23:30:46
      • Re: Can I ask you a question?, Patrick, Fri, 30 Aug 2002 00:29:36
      • Re: Can I ask you a question?, Patrick, Fri, 30 Aug 2002 00:29:35
  • What'd I tell ya! I knew it!!, Street, Thu, 29 Aug 2002 14:01:57
    • You have a good point..., Yaofeng, Thu, 29 Aug 2002 15:32:30
      • not if you have a freezer, dave n, Fri, 30 Aug 2002 21:02:28
  • Another thing........, zeke, Thu, 29 Aug 2002 10:03:01
    • Re: What yard did you find the Aero engine (+), Jon906, Thu, 29 Aug 2002 10:42:10
      • Re: What yard did you find the Aero engine (+), zeke, Thu, 29 Aug 2002 10:49:50
  • Re: '94 Aero..."busted timing chain"....saga cont(long), sully, Thu, 29 Aug 2002 09:14:55
  • Not the shaft, but the bearing/carrier for..., zeke, Thu, 29 Aug 2002 08:11:51
  • Re: '94 Aero..."busted timing chain"....saga cont(long), Yaofeng, Thu, 29 Aug 2002 00:42:35

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