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If a car with that low mileage would come in with >>>>> Posted by SWEDECAR [Email] (#112) [Profile/Gallery] (more from SWEDECAR) on Wed, 8 Oct 2003 13:06:30 In Reply to: Shop says Alternator shot - can it be repaired?, Bill, Wed, 8 Oct 2003 12:14:54 Members do not see ads below this line. - Help Keep This Site Online - Signup |
bad battery, I would look long and hard elsewhere before condemning the alternator. Especially by just looking at a volt meter reading.
Alternators usually last a lot longer than 45K miles (not saying that it can't happen, but unusual)
First of all, install a new battery. Batteries do go bad and start to discharge all by themself by internal shorting.
With a new battery installed, the shop should do an AVR test to determine the voltage and amp reading under load.
The alternator on your turbo is a little bit different from older models (pre 94 and V6) and if the shop is not up to speed on the later Saabs, they could very well think that alternator is shot during a regular AVR test because the Amp reading start very low and climb up to full force during the test.
This is because the alternator and voltage regulator is of progressive nature (doesn't give out more Amp than needed at the moment).
The older style alternators (and V6) spring up to full force as soon as the battery is under load.
Hope this helps
Anders
posted by 67.113.8...
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