Packard Forum Index » Post-War (1946-54)

True enough, but that deceleration test doesn't assure you that the DD stays engaged when you now add power back.

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Why not, aside from the drop in speed?

OK it was a battle with the Packard on Saturday.... I took the radiator out and flushed it, and had a rebuilt water pump to install... This will allow me to drive the car and really test the transmission, I guess the front motor mount has sagged, because i had to really jack up on the front of the engine to get the water pump bolts to clear the front engine cradle. I installed the new pump and it leaks like crazy at the bottom, i can only figure that some of the old motor mount rubber got in between the pump and the block... Anyone seen this issue... Packard 27 Paul 0.... Thanks

Do the lower mounting bolts go into the water jacket? If so they need to have sealant on them or it will for sure leak. I haven't had a water pump off on these engines so I couldn't tell you if the bolts go into the water jacket or not.

There are holes that go straight thru into the water jacket so in addition to sealant (which is always a good idea), as I recall there are a couple of spots that might be those lower down on the pump that need a copper sealing washer under the bolt head. Those locations may have a smooth almost machined finish when compared to other bolt locations. If you can't see any difference in finish then presume those that are leaking are the spots needing sealing washers. Hopefully you didn't use a lockwasher directly against the pump that could have gouged the smooth surface but if you did then use a bit of sealant under the copper washer and under the bolt head as well as on the threads.

It would also be a good idea to change the rubber in the motor mount while everything is apart. Steele and probably the vendors should have the two pieces.