hursst Posted August 2, 2015 Share Posted August 2, 2015 Hello,I have a '30 30U with a water pump. I had the pump rebuilt a couple years ago and it worked okay; a few drips here and there. I recently went on a 400-mile your with it, and now it's leaking quite a lot. It looks like it needs new packing.I've never messed with packing before, but it appears that the rebuilder put in a rubber seal in the packing nut and there was no packing material in addition to this. I believe I overtightened the nut a little trying to stop the original few drips, so I probably ruined the rubber seal.My question to the group would be, should I leave the rubber seal in place and put packing on top of that (there is still some room within the packing nut), or should I remove the rubber seal and just go with the regular packing material?Thanks for any responses! Link to comment Share on other sites More sharing options...
keiser31 Posted August 2, 2015 Share Posted August 2, 2015 (edited) Personally, I would remove the rubber part. The packing should be the only sealer. Edited August 2, 2015 by keiser31 (see edit history) Link to comment Share on other sites More sharing options...
hursst Posted August 2, 2015 Author Share Posted August 2, 2015 Thanks for the advice. That's they way I was leaning. I'll see if anyone else has any ideas first... Link to comment Share on other sites More sharing options...
kirby655 Posted August 2, 2015 Share Posted August 2, 2015 Sorry but no ideas. Question is however what size packing. some years back I read something about a certain size Teflon packing material using three pieces with the open ends staggered. Any recommendation on size of packing? Teflon or other material? Link to comment Share on other sites More sharing options...
keiser31 Posted August 2, 2015 Share Posted August 2, 2015 I have used the graphite-embedded stuff from the hardware store. I can't remember how many times I looped it, but it wasn't very many. I think there are various sizes and I also cannot remember what size I used. 1 Link to comment Share on other sites More sharing options...
hursst Posted August 2, 2015 Author Share Posted August 2, 2015 I have a box of Palmetto brand in both 3/16" and 1/4". 3/16" will probably work, but I'll have to compare on the car. Link to comment Share on other sites More sharing options...
stakeside Posted August 3, 2015 Share Posted August 3, 2015 Ace Hardware has water valve packing made of graphite embeded material. About 1/16" thick. It did the job on my DA-6 water pump.. 1 Link to comment Share on other sites More sharing options...
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