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 98 Transmission oil pan gasket

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Straighteight
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Straighteight

Age : 85
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98 Transmission oil pan gasket Empty
PostSubject: 98 Transmission oil pan gasket   98 Transmission oil pan gasket EmptyThu Oct 14, 2010 7:16 am

There seems to be two different gaskets available for the 98 tranny. Any way to tell in advance which is which, and why the difference?
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Ash
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Ash

Name : Marty
Age : 42
Location : S. Central Indiana
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98 Transmission oil pan gasket Empty
PostSubject: Re: 98 Transmission oil pan gasket   98 Transmission oil pan gasket EmptyThu Oct 14, 2010 9:20 am

The only difference that I know of is the pan capscrew diameter/size. 8mm or 6mm. I would pull one of the capscrews out and measure the shank, then go from there.

I thought it was '99+ 4T65E-HD transmissions only. I know mine is the 6mm shank capscrews. I may be wrong on the years though.

Hope this helps.

Cheers
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Rickw
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Name : Rick
Location : Lancaster, MA
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98 Transmission oil pan gasket Empty
PostSubject: Re: 98 Transmission oil pan gasket   98 Transmission oil pan gasket EmptyThu Oct 14, 2010 1:22 pm

Straighteight wrote:
There seems to be two different gaskets available for the 98 tranny. Any way to tell in advance which is which, and why the difference?
Can I ask where are you looking that has 2 different possible gasket P/N's for the Trans Pan.
There was only one trans offered and in my searching I have found only one GM P/N for the gasket.
In the aftermarket world there will be 2 gaskets, but, that is only because one is a paper type and the other more closely matches the OEM which is made up of a metal sheet for a core and has rubber bonded to both sides. The OEM or OEM replacement is a re-usable gasket and is much better at sealing leaks.
I found the good OEM type available at NAPA, although you must be specific when asking for a gasket because they also sell a paper type (cheaper). There computer does have remarks in it that mentions the more expensive gasket is metal with bonded rubber.
HTH,
Rick
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Straighteight
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Straighteight

Age : 85
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Post Count : 66
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98 Transmission oil pan gasket Empty
PostSubject: Re: 98 Transmission oil pan gasket   98 Transmission oil pan gasket EmptyThu Oct 14, 2010 2:41 pm

Buick dealer told me there were two and he only had one of the two. Soooo of course I tried to diferentiate to determine which one I needed before tearing the old one apart.
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98 Transmission oil pan gasket Empty
PostSubject: Re: 98 Transmission oil pan gasket   98 Transmission oil pan gasket Empty

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98 Transmission oil pan gasket
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