RE: [Chrysler300] 57 392 Water Pump

["John L. Chesnutt" <chesnutt@xxxxxxxxxxxx>]

The two 57 water pumps I have are cast impellers. I have never seem a
plastic impeller on a Chrysler water pump. Automotive Friction in Clackamas,
Oregon rebuilds 1957 water pumps for about $54.00. Two of our West Coast
members had their pumps rebuilt there this past year.

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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