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  #31 (permalink)  
Old 02-05-2007, 05:05 PM
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Quote:
Originally Posted by slowpoke
All that time and money for a little oring.
That was the first place I looked - I have a 1st generation Lokar flex fill tube that has only a single o-ring (new ones have 2) but had siliconed the heck out of it when it was installed. It's totally dry there (so far).

I did a real close inspection of the gasket when I removed the pan - no gasket compression to speak of in that suspect spot but the rest was squashed as expected.

Dave

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  #32 (permalink)  
Old 02-05-2007, 07:20 PM
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c4 pan gasket leaking again

As a suggestion, use silicone on the pan place the gasket on and then invert the assy. on a piece of waxed paper, until the silicone cures. Then install. All the voids will be filled and none of the silicone will get forced out...russ
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Old 02-07-2007, 04:54 PM
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The new pan is here - and will be bolted on tomorrow. I'll use SS bolts rather then the Home Depot made-in-China junk they supplied. The pan was actually Made in USA tho .

There is plenty of flange area on this one to seal well -

Dave
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  #34 (permalink)  
Old 02-07-2007, 07:53 PM
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Quote:
Originally Posted by russlaferrera
As a suggestion, use silicone on the pan place the gasket on and then invert the assy. on a piece of waxed paper, until the silicone cures. Then install. All the voids will be filled and none of the silicone will get forced out...russ

I would be careful not using a gasket on the pan in some applications.. A paper type gasket is better, Duraprene was a name on some gaskets.

As an example : the 700/4L60 trans has a small hole in the pan rail at the 2-4 servo area. IF the hole is plugged by the pan (no gasket) & silicone , this will cause some problems with the 2-4 servo
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Old 02-08-2007, 07:03 AM
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Quote:
Originally Posted by Crosley
I would be careful not using a gasket on the pan in some applications.. A paper type gasket is better, Duraprene was a name on some gaskets.

As an example : the 700/4L60 trans has a small hole in the pan rail at the 2-4 servo area. IF the hole is plugged by the pan (no gasket) & silicone , this will cause some problems with the 2-4 servo
This is not a problem with a C4 - it is a flange only. The gasket that came with my new pan is a folded paper piece and will be put aside for emergency use. A non folded Fel-Pro gasket will be used with a thin coat of sealer.
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  #36 (permalink)  
Old 02-13-2007, 10:21 AM
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The new TFS aluminum pan DOES NOT leak - (at least not yet). Nice thick rails, only 10 lb ft of torque on the bolts. So - I can hope that this problem has disappeared .
Dave
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