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Old 05-26-2015, 03:56 PM
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svxcess svxcess is offline
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ATF Pan leaks, 96-97 cars

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Has anyone here used an earlier-design transmission pan gasket in a transmission pan designed for Fujibond? Have you experienced a leak?

One of our members here with a 1997 started to have an oil leak possibly because he had a dent in the pan. Replaced it with a new one.

He tried using the gray "Fujibond-type" (not OEM) sealant and it did not seal the leak and seemed like it never cured. He removed the pan again and removed the sealant completely (it just wiped off) and used the transmission pan gasket (from an aftermarket SVX ATF filter kit). Still has the leak in the same spot.


Here is what I found out from Subaru Techline Technical Analysis and Performance today.

The redesigned 1997 SVX Transmission Pan, part number is 31390A060 and is designed to be used with Fujibond

The original 1992-1994 SVX Transmission Pan number is 31390AA039 and designed to be used with a pan gasket. The gasket number is 31397AA041


Midway through the 1995 model run, Subaru changed from the old pan/ gasket to new pan/ Fujibond.

The change was not determined by VIN or production date, but by transmission #.
92072 and later transmissions used Fujibond
92071 and earlier transmissionsused the gaskets
All 96 and 97 cars were Fujibond



Subaru also confirmed there are only 2 types of Fujibond in use.


GRAY:
used in engine assembly only. Designed for precision-mating surfaces and high torque fasteners

RED used in transmission pans and oil pans.

The red Fujibond will stay relatively soft and shiny after curing. Do not substitute the gray for the red to prevent leaks.

RED Fujibond K0877YA020 (Also called Subaru Three Bond Sealant)




What has been your experiences? Keep the new pan and use Fujibond or go back to the original pan and use a gasket?

Have any members who have the later Fujibond had leak problems, such as after replacing the ATF screen filter?

Can anyone confirm what the actual pan differences are (profile, cross section..? I believe the later one has a small raised lip around the perimeter to contain the Fujibond, but not sure.



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Attached Images
File Type: jpg Fujibond.jpg (30.5 KB, 853 views)
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Last edited by svxcess; 05-26-2015 at 03:58 PM.
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