Rear Water Pump Grease Fitting

C

Colonel Biggs

Senior Member
What is the latest assessment of the type of lubricant to use for the rear fitting? Bratton's advertises a low-temp grease, which presumably will dissolve
if it makes it to the radiator, while Snyder's advertises a high-temp grease.

And, for the rear shackles, I suppose that there is no way to force the grease into the shackle itself without disassembling them.

Thanks for any thoughts.
 
NAPA, and others, has a grease for water pumps. As to the shackle, try jacking the car up to take the weight off the springs, then apply grease.
 
Tractor Supply sells a device for unclogging the new type Zerk fittings. It is filled with oil and then a few taps with a hammer will force the fittings to unclog. An adapter for the original style fittings should work with this device. Do as Jim suggested to take the weight off the shackles. Sometimes the only cure is taking things apart and cleaning out all the holes.
 
Appreciate the comments with respect to the shackles. I disassembled the rears a few years ago - a lot of work just to get grease to flow. I will try jacking; much faster if it works!

Jim won't remember, but when I was doing a ground-up restoration of my '31 Roadster about fifteen years ago, he was kind enough to upgrade a camshaft for me, which still works like clockwork! (Camshafts don't work like clockwork, but it's the thought!)

As to the water pump grease, is the objective to use a high-temp grease (Snyder's) which will stay in place and not make it to the radiator. Or, to use a low temp grease (Brattton's) that if it breaks loose it will dissolve in the radiator tubes? I will also check with NAPA as to their grease.

Thanks for your comments!
 
I use Lubriplate 130AA. It has a melting point below that of boiling water and it works well around water.
 
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