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Water Pump on 1951
#1
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Marty or Marston
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The water pump on my 200 deluxe started leaking with the coolant dripping from the fan blade. I assumed it was coming from the shaft seal. So I ordered a rebuilt one and waited for it to arrive before removing the "bad" pump. During the removal step, I discovered that the leaked was coming from one of the bolts on top and figured that it was because the bolt went into the water jacket, which it was.

I have since discovered that several of the bolts had flat copper washers on them while several had lock washers. The leaking one has a lock washer. Should all of the washers where the bolt goes into the water jacket have copper washers?

Also when I install the rebuilt pump I plan on using #2 non-hardening Permatex on the gaskets. Should I also use it or something else on the bolt threads that go into the water jacket? In addition, since some of the bolts are somewhat rusted I'm going to replace all of them with new grade 5 bolts.

Any and all thoughts on the matter are welcomed and will be greatly appreciated.

Posted on: 2014/7/21 19:35
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Re: Water Pump on 1951
#2
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Randy Berger
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All six washers should be copper. There are no lockwashers. The pump does not require grade 5 bolts. You can verify all this yourself by looking at the parts manual and also how to install the water pump in the shop manual. These books are there for your assistance.
I personally would install the old pump with all copper washers and verify that it doesn't leak. Then i would carry the new pump in the trunk. I carry a spare fuel pump and water pump as Packard garages are few and far between.

Posted on: 2014/7/21 21:13
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Re: Water Pump on 1951
#3
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jfrom@kanter
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<a href="http://s671.photobucket.com/user/JamesRFrom/media/Packard%20400/NCM_0206.jpg.html" target="_blank"><img src="http://i671.photobucket.com/albums/vv72/JamesRFrom/Packard%20400/NCM_0206.jpg" border="0" alt=" photo NCM_0206.jpg"/></a>

<a href="http://s671.photobucket.com/user/JamesRFrom/media/Packard%20400/NCM_02051.jpg.html" target="_blank"><img src="http://i671.photobucket.com/albums/vv72/JamesRFrom/Packard%20400/NCM_02051.jpg" border="0" alt=" photo NCM_02051.jpg"/></a>

It looks as though only two washers and two lock washers are used according to the parts books.

Posted on: 2014/7/23 11:21
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Re: Water Pump on 1951
#4
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Marty or Marston
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Thanks for both inputs. I installed the pump today using Permatex 2 and copper washers on the bolt that go into the water jacket. Everything appears to be leak free. So I'll keep an eye on the situation. If it develops a leak I'll post it.

Again thanks

Posted on: 2014/7/23 17:15
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