C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Transmission Leak

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Old Jun 12, 2003 | 02:38 PM
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Default Transmission Leak

I've got an 87 automatic with a transmission leak. I think the leak may be at the joint between the fill tube and the case. When I was replacing plugs/wires, and new valve cover gaskets the fill tube may have gotten jostled around a bit. There appears to be a rubber gasket at the base of the fill tube. Does anyone know if this can be repaired without taking the whole darn car apart?? :confused:
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Old Jun 12, 2003 | 03:39 PM
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Default Re: Transmission Leak (87Vert)

The fill tube is secured to the transmission by one of the bolts that holds the transmission t the engine. Remove that bolt and the fill tube can be pulled out from the top, and the rubber seal can be replaced.
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Old Jun 13, 2003 | 10:36 AM
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Default Re: Transmission Leak (Rick86)

Thanks! I'll give that a try!!
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Old Jun 13, 2003 | 09:11 PM
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Default Re: Transmission Leak (87Vert)

If you choose to by the seal from GM the pn is 1259475 fits 84-91
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Old Jun 14, 2003 | 01:53 PM
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Default Re: Transmission Leak (Rick86)

The fill tube is secured to the transmission by one of the bolts that holds the transmission t the engine. Remove that bolt and the fill tube can be pulled out from the top, and the rubber seal can be replaced.
Sounds Easier then it is... lots of moving and wiggleing to get that sucker in or out...
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Old Jun 16, 2003 | 03:26 PM
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Default Re: Transmission Leak (VetteTech81)

Thanks for the part number and the warning!! I'm finding that repairing many things aren't as easy as they appear they might be.
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Old Jun 17, 2003 | 10:55 AM
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Default Re: Transmission Leak (87Vert)

Thanks for the part number and the warning!! I'm finding that repairing many things aren't as easy as they appear they might be.
Yup... welcome to my world...
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