Re: [Chrysler300] 57 392 Water Pump

["George Riehl" <longrams@xxxxxxxxxxxxx>]

Plastic "impellers" are a sign that the pump has been rebuit before. In dealing with rebuilders recently, no cast iron or plastic impellers are available and hence, they cannot rebuild the pump and will return the core. I am not aware of any problem removing the cast iron impeller with a proper bearing remover. I have done this a few times without any problem and pressed the c.i. impeller back on. On the other hand, I do not rebuild pumps for anyone.

John Lazenby has a rebuilder for these pumps, I have had some done thru John for myself.
   George Riehl





  ----- Original Message ----- 
  From: John L. Chesnutt 
  To: 'Dave Geise' ; 'Chrysler300' 
  Sent: Friday, August 03, 2007 11:10 PM
  Subject: RE: [Chrysler300] 57 392 Water Pump


  The two 57 water pumps I have cast impellers. I have never seem a plastic
  impeller on a Chrysler water pump. Automotive Fiction Co, Clackamas, Oregon
  503-353-7595 rebuilt 57/58 water pumps for two of our West Coast members
  this year. Cost is about $54.00

  John Chesnutt

  -----Original Message-----
  From: Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] On
  Behalf Of Dave Geise
  Sent: Friday, August 03, 2007 6:39 PM
  To: Chrysler300
  Subject: [Chrysler300] 57 392 Water Pump

  Hi To All
  When repairing a 392 water pump, the FSM tells you to break away 
  the plastic impeller allowing access to the seal. Further, a note states 
  that it is not necessary to remove the shaft and bearing to fix a 
  leaking pump. Upon removing my pump for a leak, I found a cast 
  impeller. The alternate procedure not spelled out in the FSM is as 
  follows. Some of you may already know this but some may not. As the 
  impeller is not strong enough to use a puller, snake a cutting torch in 
  the weep hole and cut thru the shaft. This will allow the impeller to 
  fall away. The shaft pieces can then be pressed out of their respective 
  bores. All you need then is a new shaft, bearing and seal retaining the 
  old impeller. Don't know what percentage of pumps have plastic vs. cast 
  impellers.

  Best Regards,
  Dave Geise 57C in NJ

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