don't 'think' you need it ..test it! - Saab 9000 Bulletin Board - Saabnet.com
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don't 'think' you need it ..test it!
Posted by derf (more from derf) on Thu, 7 Apr 2011 08:51:06
In Reply to: tried swapping check valves, no luck, SMP, Thu, 7 Apr 2011 07:02:12
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Hunt up and findthe TCS info Townsend site?? it's around on at least 2 sites/locations It's a skill testing question :-)
There you will find a test procedure for Every single (7pins) on the TB' connector block with a resistance value for each and each combination.
Only 3 things on the TB that can screw up: Motor commutator.. can be discoloured/dirty this actually has very minor operational effect. Cleaning it mainly makes the DIYer 'feel good'.
Feedback pot THE important bit in the TB, thankfully it is actually V durable .. but?
Also the internal TB linkage's plastic bushes can wear, just enough to 'change the feedback pot's info to the ECU by a few ohms out of spec. I tweaked my linkage a very tiny bit to reset the feedback pot readings to centre of spec. It worked.
Also the TCS ECU is known to occaisionaly misbehave/fail.. I have a 'suspect' one onna shelf as reminder.
Again DO NOT go out buying parts 'on spec'.. until.. you have genuine proof of their failure.
Might as well just use your $$ for a fire to roast weenies, otherwise :-)
posted by 207.6.238...
Posts in this Thread:
- 5 flash CEL, SMP, Wed, 6 Apr 2011 16:35:55
- Thanks JimO & Derf for the support on this! n/m, SMP, Fri, 8 Apr 2011 09:15:58
- Re: 5 flash CEL, JimO, Thu, 7 Apr 2011 05:03:45
- Re: 5 flash CEL, JimO, Thu, 7 Apr 2011 05:00:47
- dreaded TCS.. bites again, derf, Wed, 6 Apr 2011 19:02:23
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