Re: Cruise Control Testing - Saab 900 Bulletin Board - Saabnet.com
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Re: Cruise Control Testing
Posted by Clive in Oz [Email] (more from Clive in Oz) on Wed, 2 Apr 2003 21:57:54
In Reply to: Cruise Control Testing, Gary M 
[Profile/Gallery]
, Wed, 2 Apr 2003 09:58:23
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The pedal switches are prone to mis-alignment and should be checked but generally on the later models the control modules do have a high failure rate here in Australia due to the higher heat conditions. The solderjoints crack and operation stops. On my module, the solder was worse on the red capacitors installed. The capacitor body exdpands and contracts with the temperature changes and over time, with the laquer over the board, the components can't move, so the stress is eventually released through the solderjoint cracking.
How do I know this? I work in a television studio and see this manufacturing process in a lot of equipment.
Thankfully, 9 times out of 10, it is an easy fix.
Remove Module,
Dismantle module,
Clean Red laquer from solder side of board,
Resolder board,
Reassemble and away you go.
I not aware of the location of the module in the LHD models but on RHD it's a pain to have to remove the kick panel to remove two screws to drop the module.......
Cheers
Clive Walker
'93 900i 5dr N/A
posted by 202.59.31...
Posts in this Thread:
- Cruise Control Testing, Gary M , Wed, 2 Apr 2003 09:58:23
- Re: Cruise Control Testing, Clive in Oz, Wed, 2 Apr 2003 21:57:54 <-- Viewing This Message
- Another Question, Gary M , Wed, 2 Apr 2003 15:50:42
- Re: Cruise Control Testing, Bill N, Wed, 2 Apr 2003 14:58:17
- Re: Cruise Control Testing, JohnK, Wed, 2 Apr 2003 14:23:36
- Re: does vac pump have voltage to it in car? n/m, LM, Wed, 2 Apr 2003 12:53:33
- electric switch on the brake/clutch?, JohnB, Wed, 2 Apr 2003 12:29:11
- Re: Cruise Control Testing, Ari , Wed, 2 Apr 2003 11:46:48
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