Re: Fuel Pump Fail? Do These Symptoms Confirm It? - Saab 9-5 Bulletin Board - Saabnet.com
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You can be confident it is the pump.
Most likely a tiny bit of debris found its way into the pump gears and locked them up. It could even be a piece of the magnets that broke loose around commutator.
The bang on the tank or pump advice only works when it is the brushes that has worn to a point where they loose contact with the commutator in one position.
When some debris locks it up, it is not possible to ruck it loose again.
When you are done with the job however and hook external power to the old pump, it might or might not come back to life if it has flushed the particle out when the fuel was emptied out of the pump, but it is a pretty slim chance.
Anders
SWEDECAR
Posts in this Thread:
- Fuel Pump Fail? Do These Symptoms Confirm It?, RegQ, Sun, 29 Aug 2010 16:01:49
- FOLLOW-UP. Fuel Pump Fail. More Tests., RegQ, Wed, 1 Sep 2010 12:42:59
- Re: Fuel Pump Fail? Do These Symptoms Confirm It?, SWEDECAR , Mon, 30 Aug 2010 21:13:26 <-- Viewing This Message
- Re: Fuel Pump Fail? Do These Symptoms Confirm It?, Dean, Mon, 30 Aug 2010 06:54:09
- Must be Pump. 12 VDC found right at pump connector., RegQ, Sun, 29 Aug 2010 20:17:05
- Re: Fuel Pump Fail? Do These Symptoms Confirm It?, Rich02818, Sun, 29 Aug 2010 20:16:21
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