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front seal

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Bill Tindell

09-17-2007 14:59:04

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on my 1940 B I though the pan was leaking up front so i replaced the pan gasket but it still leaks up front. would this be the front seal and how hard is it to replace. thanks for your advice Bill

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Bill Tindell

09-17-2007 18:58:25

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 Re: front seal in reply to Bill Tindell, 09-17-2007 14:59:04  
thanks alot El Toro & Dick L I will give it a try. It is not leaking much but it probably won't get any better. sorry I was late getting back my granddaughter had a softball game she thinks i need to be there, and I think shes right.

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El Toro

09-17-2007 15:41:48

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 Re: front seal in reply to Bill Tindell, 09-17-2007 14:59:04  
You need to inspect the hub on the pulley for a worn groove usually cause by the harden old seal.
Speedi-sleeve's are available to cover that worn area and to provide a new smooth surface for the new seal to seal against. Hal

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Dick L

09-17-2007 15:58:20

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 Re: front seal in reply to El Toro, 09-17-2007 15:41:48  
That could be a little confusing Hal as that engine seals against the crankshaft and not the pulley. You can however buy a speedy seal to cover the spiral grooves that are designed to feed oil that seeps by the cork seal back into the crankcase.

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Dick L

09-17-2007 15:31:15

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 Re: front seal in reply to Bill Tindell, 09-17-2007 14:59:04  
I would not know what you would call hard. If you don't have the jacks and wrenches it would be very hard. If you have a good jack to lift the front and stuff to block the rear tires from moving, along with the wrenches it would not be all that hard. You will need to remove the radiator, front axle to start with. You will have to then remove the radiator mount and the front pulley. If it has the new style seal it can be changed at that point. If it has the old cork seal then you will have to remove the water pump, governor cover and the timing gear/ front cover/plate. The grooves in the crank will have to be filled with JB Weld or something like that. The old cork seal will have to be driven/pounded out. then the new seal can be installed. the gasket area will have to be very clean on both the block and cover. The cover will have to be put back on with care as not to spoil the new seal. You will have to pay close attention to keeping the seal centered as you put the bolts back in or the new seal will leak anyway.

With that being said you will have to decide if it is easy or hard.

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