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940 In-Tank Fuel Pump Failure: Some Pics

posted by lucid on Sat Jun 6 10:28 CST 2009
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last visit: Fri Oct 24 12:31 CST 2014

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I opened the 200K Regina pump mentioned above for some pictures. #1 shows the commutator wear—about .065" measured by vernier calipers. The remaining groove depth looks like about .025" or less.

I think the opposing darker surfaces in picture #1 may be the "dead zone" that caused the no-start, especially when looking at the shorter brush in picture #2, which picture #3 shows as making only about 25% contact.

Wonder what an ammeter would have shown when it was running?

Picture #1

http://i157.photobucket.com/albums/t71/lucid_photo/Picture3.png?t=1244323306

Picture #2

Picture #3

--
Bruce Young, '93 940-NA (current), 240s (one V8), 140s, 122s, since '63.

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940 In-Tank Fuel Pump Failure: Duh!!
posted by Steve subscriber on Fri Jun 5 14:18 CST 2009 >

940 In-Tank Fuel Pump Failure: Duh!!
posted by Art Benstein subscriber on Fri Jun 5 14:36 CST 2009 > V
- 940 In-Tank Fuel Pump Failure: Duh!!
  posted by Steve subscriber on Sat Jun 6 01:20 CST 2009 > V
- 940 In-Tank Fuel Pump Failure: Duh!!
  posted by Steve subscriber on Sat Jun 6 04:18 CST 2009 > V
  - Disconnecting feed line [900][1992]
    posted by Art Benstein subscriber on Sat Jun 6 05:37 CST 2009 > V
    - Disconnecting feed line [900][1992]
      posted by Steve subscriber on Sat Jun 6 10:06 CST 2009 > V
      - Disconnecting feed line [900][1992]
        posted by Art Benstein subscriber on Sat Jun 6 13:51 CST 2009 > V
        
        Disconnecting feed line [900][1992]
        posted by Steve subscriber on Mon Jun 8 15:00 CST 2009 > V
        
        Disconnecting feed line [900][1992]
        posted by Steve subscriber on Mon Jun 8 15:47 CST 2009 > V

940 In-Tank Fuel Pump Failure: Duh!!
posted by Chris Mullet subscriber on Fri Jun 5 15:28 CST 2009 > V
- 940 In-Tank Fuel Pump Failure: Another one here
  posted by lucid subscriber on Sat Jun 6 01:51 CST 2009 > V
  - 940 In-Tank Fuel Pump Failure: Another one here
    posted by Art Benstein subscriber on Sat Jun 6 03:20 CST 2009 > V
    - 940 In-Tank Fuel Pump Failure: Some Pics
      posted by lucid subscriber on Sat Jun 6 10:28 CST 2009 > V
      - 940 In-Tank Fuel Pump Failure: Some Pics
        posted by Art Benstein subscriber on Sat Jun 6 13:21 CST 2009 > V
        
        940 In-Tank Fuel Pump Failure: Some Pics
        posted by lucid subscriber on Sun Jun 7 02:45 CST 2009 > V
        
        940 In-Tank Fuel Pump Failure: Some Pics
        posted by Chris Mullet subscriber on Mon Jun 8 10:48 CST 2009 > V
        
        940 In-Tank Fuel Pump Failure: Some Pics
        posted by Steve subscriber on Sun Jun 7 05:14 CST 2009 > V

940 In-Tank Fuel Pump Failure: Duh!!
posted by hardknocks! subscriber on Sat Jun 6 01:41 CST 2009 > V

940 In-Tank Fuel Pump Failure: Duh!!
posted by Big Harry on Sat Jun 6 05:57 CST 2009 > V

940 In-Tank Fuel Pump Failure: Duh!!
posted by lucid subscriber on Sun Jun 7 02:20 CST 2009 > V
- 940 In-Tank Fuel Pump Failure: Duh!!
  posted by Steve subscriber on Sun Jun 7 05:11 CST 2009 > V
  - 940 In-Tank Fuel Pump Failure: Duh!!
    posted by lucid subscriber on Sun Jun 7 06:19 CST 2009 > V
    - 940 In-Tank Fuel Pump Failure: Duh!!
      posted by Steve subscriber on Mon Jun 8 14:58 CST 2009 > V
      - 940 In-Tank Fuel Pump Failure: Duh!!
        posted by Dave Stevens on Mon Jun 8 21:11 CST 2009 > V
        
        940 In-Tank Fuel Pump Failure: Duh!!
        posted by Chris Mullet subscriber on Tue Jun 9 01:59 CST 2009 > V
        
        940 In-Tank Fuel Pump Failure: Duh!!
        posted by Dave Stevens on Tue Jun 9 08:58 CST 2009 > V
        
        940 In-Tank Fuel Pump Failure: Duh!!
        posted by Steve subscriber on Tue Jun 9 02:48 CST 2009 > V
        
        940 In-Tank Fuel Pump Failure: Duh!!
        posted by Dave Stevens on Tue Jun 9 08:15 CST 2009 > V

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940 In-Tank Fuel Pump Failure: Some Pics