early th400 filter

Old Dec 29, 2013 | 09:59 PM
  #1  
delta7388's Avatar
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early th400 filter

dropped the transmission pan for the first time on my '67 delta-- can I rinse and reuse this early "tube" style filter and reuse it? I purchased wix #58879 which is made in china and it doesn't fit -also purchsed ATP b-24 filter, it too has problems, -- old filter perfect fit -- new filter interferes with stator solenoid -- has anyone purchased a transmission filter recently for this application and got it to work? -- thank you and where did you get it?

erik



'73
'67
88 2dr hdtps
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Last edited by delta7388; Dec 31, 2013 at 06:16 PM. Reason: updated with photos
Old Dec 29, 2013 | 11:50 PM
  #2  
nsnarsk65cutlass's Avatar
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I would not reuse the filter,but thats just my opinion.
Old Dec 30, 2013 | 03:26 AM
  #3  
66luvr's Avatar
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I just did this on the convertible. I bought this from O'Rileys.
http://www.oreillyauto.com/site/c/de...0073&ppt=C0338

Worked great.
If you had trouble getting the pan on it sounds like the new filter may not have been seated good. I'm sure you know these things but just thought I would mention, there is an "O" ring that goes on the tube which slides up into the transmission. Are you sure the old "O" ring was removed? I took a light and looked up in there while there was no filter in there. When I installed mine I put the new "O" ring on the filter, lubed it with ATF and shoved it into place. It took a lot of wiggling to get it seated good. When I put the pan back on it fit fine, no problem.
The filter was indeed made in China, and the first one I got had the "foot" thing which keeps the pick-up tube from touching the bottom of the pan break off. It just wasn't welded good. The next was fine and I had no more problems. The car runs and shifts fine.

Good luck,
Mike

Last edited by 66luvr; Dec 30, 2013 at 03:48 AM.
Old Dec 30, 2013 | 07:19 AM
  #4  
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From: central Indiana
The later filter use a different style pan. The early filter sits in a heel shaped dimple in the pan. The later filters are held in place by a special bolt that is threaded into the valve body. To use the later filter you need to drill and tap the valve body for the special bolt, then find the correct bolt to retain the filter, and the tube that goes between the case and filter. It would be far easier to find the correct filter. Its common practice to install 2 o-rings on the pick-up tube. This ensure a good seal between the case and the tube.
Old Dec 31, 2013 | 06:23 PM
  #5  
delta7388's Avatar
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Mike,
is your transmission a functioning variable pitch with stator solenoid intact? this second filter the ATP is not long enough to clear the solenoid.... see pics

thank you
Old Dec 31, 2013 | 08:04 PM
  #6  
66luvr's Avatar
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Originally Posted by delta7388
Mike,
is your transmission a functioning variable pitch with stator solenoid intact? this second filter the ATP is not long enough to clear the solenoid.... see pics

thank you
Yes it is, and working well. I always add a switch to lock it in high stall and with a 256 rear gear I leave the white car in high stall any time I am in town.
I did look at your pictures. That filter looks like the one I removed, it had the copper tubes, mine said AC Delco or some variation of that which made me think it may be the original, not sure of that though.
And although I just changed the filter and fluid myself about 2 weeks ago I do not remember what it looked like inside, I mean where the wires and slonoid(s) were, I have CRS in my old age. But the new filter went in and the pan fit as it should. The new filter needed a bit of wiggling and a good bit of force to get it seated, maybe due to me and my lack of experience, this was the first one of the early filters I had seen.
The blue car has a 400 with switch pitch and a 455, but that trans has a later case and a very late valve body and later style filter. It also has a reworked switch pitch converter from a 2 speed trans, lots of high stall.


Happy New Year,
Mike
Old Dec 31, 2013 | 09:32 PM
  #7  
bigoldscruiser's Avatar
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From: central New Jersey
A couple of years back I was looking for the right filter for my convertible and stopped at a transmission shop to see where they got theirs. They offered to sell me one they "had in stock", which was a cleaned out used one. They did this all the time when rebuilding transmissions for customers.
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