Topic: Restoring a 1968 1/2 428CJ water pump

[RoyceP]

Last pictures - I smeared gasket sealer on the water nipple, then used the plastic faced hammer to install it. Not shown - I need to wipe the whole thing down with lacquer thinner before priming because I got grease and sealant all over the outside.

[Bob Gaines]

Thank you for your effort of showing your step by step process. I appreciate knowing.

[midlife]

Nicely done, including the photo documentation!

[RoyceP]

Thanks just trying to make it easier on the next guy. I did not find anything specific to rebuilding an FE water pump in several Google searches or from searching here.

[jmlay]

Any reason you chose to not use the original impellers vs the replacements?

[RoyceP]

I used the DNO impeller to replace the small OEM one. I rebuilt the second pump using the larger (same diameter as the DNO impeller) OEM impeller.

Any reason you chose to not use the original impellers vs the replacements?

[67350#1242]

Thanks for the pictures - I would think one could follow along and do any of our pumps big or small block.  How did you go about removing the nipple?

[RoyceP]

The nipple came out when I grabbed it with some vice grip pliers. I just squeezed and pulled.

[Bossbill]

Interesting read. The photos are great. Thanks.

My tubes were very, very stuck. I used an old non-OEM pump to try out a method for removing them prior to doing the "real" pump.

Find a bolt or other solid steel shaft that fits very tightly inside the tube, but don't insert it yet.  Heat up the housing. I had to resort to an Oxy-Acy torch to heat the housing as my tubes would not come out under normal propane torch heat.
Insert the bolt or shaft and then grab the tube and twist it out. The insert prevents the tube from collapsing.
Too much heat could damage the seal/brg so do this on an empty housing or before the rebuild.

[Anghelrestorations]

Great write up and photos.  Came across this while I am in the middle of rebuilding some water pumps. 
Adding some photos here because I think one critical thing is missing.   Before you take anything apart you should measure the overall distance from the mounting surface of the pump to the flange where the drive pulley mounts.  This is a critical measurement because you want the pulley/fan to be in the same location.  You are not limited how far you can press that flange in the place so could be off quite a bit if not careful.
Worth the extra effort to check prior to disassembly. 

20231110_212500 by Marcus Anghel, on Flickr

20231110_212505 by Marcus Anghel, on Flickr