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Date: Sat, 19 Feb 2005 00:34:06 GMT
From: "Bill Jackson" <wjacksonnospamester.rr.com>
Subject: Re: SID units


It's a flawed design... I finally got sick of mine and took it into work where we disassembled it. At the heart of the issue is the flex coming from the main controller board to the display unit. The flex is "hot bar" soldered into place on the edge of the board, but because of the very sharp turn, there is considerable stress on the flex. What happens is that the flex delaminates, with the pads that are soldered to the main board coming off the flex. In the end, the stress and probably thermal expansion cause the very fine traces that come through the flex to disconnect from the pads. If all you have wrong is the pads delaminating from the flex you can apply pressure (like in the fixes you find on the net) and it'll hold them down. But if you are unlucky to have had the traces break from the pads, you're out of luck there is really nothing you can do. A couple of guys at work and I took the thing apart and looked at the flex under one of our microscopes used for fixing surface mount components. It's very clear what happened and why it went wrong. Unfortunately, Saab wont' step up to the plate and fix this systemic failure. I had mine (99 9-5) replaced last year, it's about $400 for the whole deal (remember, it has to be programmed with the TECH-II to make it work properly so buying a used one may or may not work depending what car it came from) I wrote a letter to Saab about it, they told me that hte ony way that they'd talk to me aobut it was if it was at a dealer getting repaired, they and the dealer may choose to do something read that, if you spend a lot at your dealer, get your car fixed there all the time, bought the car there and maybe another one, the dealer may kick in with Saab to make it right. If you must moved in from out of town and bought hte car used in the first place, forget it. "Emmy Dubbs" <waldronstaffnospamspring.com> wrote in message news:186711d5f7eqcdqnhdp8ce645928acggfinospamcom... > OK, I've been doing internet research...looks like the SID units have > a history of failure. Mine, 1997 SE Turbo, convertible. Pixels > coming/going. What's the answer? > > Matt

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