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Ecklers AutoMotive
Username Post: Transmission gasket        (Topic#356626)
palo 
Member
Posts: 88

Loc: fresno ca.
Reg: 05-28-05
05-31-19 08:04 PM - Post#2767455    

I have a 350 turbo transmission
i'm changing the filter oil and gasket.
i'm not sure what the gasket is made of
it's smooth kinda like rubber.
my questions are.
1.i did'nt order an adhesive to stick the gasket on
do i need to get an adhesive.

2.if the oil says mercon v but good for dextron II is this ok to use.

3.after draining about how much tranny oil will it take?
thanks





 
Ecklers AutoMotive
YOUNG57 
Frequent Contributor
Posts: 1128

Loc: Tennessee
Reg: 12-06-10
06-01-19 05:23 AM - Post#2767469    
    In response to palo

Transmission gaskets work best if installed dry, gasket sealer tends to allow them to squeeze out between the wet surfaces, Dry, they stay in place better.

Later grades of fluid are very suitable replacements for previous grades.

Removing only the pan only drains about 3 quarts of fluid.




 
bobb 
Super Senior Member
Posts: 5447
bobb
Loc: paradise
Reg: 09-05-03
06-01-19 10:19 AM - Post#2767483    
    In response to palo

when you drop the pan its gonna get messy. remove all the bolts exept the front ones. loosen the front ones and get the rear of the pan to droop down and catch your mess. a big cardboard is nice to have for this. when you get the pan off it will be bent. get a small hammer and a small deep socket to beat the flange straight. the bolt holes will probly be caved in. do not overtighten the pan bolts. some blue loctite will keep them snug.

70 L camino, grampa engine, g-force 5 spd, road rage suspension. Pray first before all else fails.


 
palo 
Member
Posts: 88

Loc: fresno ca.
Reg: 05-28-05
06-01-19 08:02 PM - Post#2767509    
    In response to palo

OK thanks for the tips
i appreciate it.



 
The Factory Man 
Member
Posts: 144
The Factory Man
Age: 68
Loc: Tacoma Washington
Reg: 05-28-04
06-01-19 09:32 PM - Post#2767514    
    In response to YOUNG57

DEXRON VI is the current GM spec fluid for 350.

Retired and loving it!!!
Steven L Jones
33 years with General Motors Product Service Engineering.
A.S.E. Certified.


 
gotta56forme 
Valued Contributor
Posts: 3419
gotta56forme
Reg: 09-19-03
06-04-19 09:35 PM - Post#2767732    
    In response to The Factory Man

I saw a youtube vid where a gm trans was getting a fresh filter and fluid. They showed them putting the gasket on dry on a clean, straight pan and then the tranny bolts were inserted into just the pan/gasket combo. The fit of the bolts was so tight that the pan/gasket combo held the bolts in place, and kept the gasket true'd up on the pan when it was replaced. You might try that, if you haven't already done the work.

Best wishes,

Gotta56forme/Scott

Can I get that to GO? * * * '56 210 HT * * * '56 BelAir HT * * *


 
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