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WD45 water port leak

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06-12-2003 06:06:34

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Had a head gasket problem which is solved but the rear water port, which is blocked off by a flat plate, will not hold. Leaks even without pressure. I have tried the plate for flatness, replaced the gasket 3 times, turned it with the "bulge" both in and out, and it still leaks! Anybody ever run across this before?

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06-13-2003 06:40:09

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 Re: WD45 water port leak in reply to Bill, 06-12-2003 06:06:34  
Seems to be holding, stressed the plate a little gooped it royally and gonna let it set for a while before starting. Never had that happen before. Thanks!

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06-12-2003 20:44:40

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 Re: WD45 water port leak in reply to Bill, 06-12-2003 06:06:34  
I have had that Headache.....!!! I think what I did was to use a Hard washer under the head bolts, to spread out the crushing force of the head bolt... Be sure the plate has a little "bow", toward the head, use a gasket, and sealer on the top of the gasket, ONLY...!! Would be great, if you could find one of the older water manifolds, that flow water from both outlets...!!!!! (not sure if they used a thermostat, tho)....

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06-13-2003 18:24:22

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 Re: Re: WD45 water port leak in reply to Ron, 06-12-2003 20:44:40  
Yes they do use a thermostat.

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Dave K

06-12-2003 14:39:37

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 Re: WD45 water port leak in reply to Bill, 06-12-2003 06:06:34  
What is it exactly that you are calling the rear water port? I do not see any such thing in any of my manuals or parts books for the WD or WD-45 engine. I have a WD not a 45 but I can't ID what you mean. Where is this located?

I will say if I have anything that leaks like that I use permatex #2 on both sides of the gasket which will seal any small uneven spots or pits.


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06-12-2003 18:03:04

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 Re: Re: WD45 water port leak in reply to Dave K, 06-12-2003 14:39:37  
He probably means the rear water outlet on the top of the head. Some later water manifolds didn't go back to this, it was blocked off. I would suggest making sure the head isn't rusty, caked rust, then use the best side of the plate, a good gasket, not too thick, not too thin, and some good gasket compond, permatex, or even a silicone. I don't see why it would be too hard to seal, not much pressure here. Water isn't leaking out of a bolt or stud hole is it? Need to seal around these maybe.

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