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Re: trany fluid [Re: AndyF] #2551285
09/17/18 10:18 PM
09/17/18 10:18 PM
Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
dartman366 Offline
I Live Here
dartman366  Offline
I Live Here

Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
Type F and 1/2 of a bottle of Lucas transmission stop slip for added lubricity for years in both 904's and 727's, no fluid related problems. up


Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
Re: trany fluid [Re: moparx] #2551304
09/17/18 11:03 PM
09/17/18 11:03 PM
Joined: Mar 2011
Posts: 3,069
Michigan
A
A727Tflite Offline
master
A727Tflite  Offline
master
A

Joined: Mar 2011
Posts: 3,069
Michigan
Originally Posted By moparx
Originally Posted By Transman
Originally Posted By moparx
as someone who has used dex3 in FWD transaxles for over 20+ years with absolutely NO problems, when +4 is supposedly the ONLY thing to use, what happens to 46,7, & 8RH/RE overdrives when type F is used ? [or dex3 for that matter]
beer


What FWD transmissions did you use Dexron in? What model years?


604/42LE/42RLE 4spd OD transmissions. 315k on a 95 with chrysler reman transaxle at 111k, 195k on 2000 with original transaxle, 146k on 2002 with original transaxle, and 162k in a '99 with original transaxle [current daily driver]. all of these in caravans, with the '95,'00, and '02 retired because the bodies fell off the floor pan.
also, my wife's 94 concorde with 142k on the clock. all of these transaxles had trans-go kits installed, for what that's worth. fluid and filter changed around every 10-15k. at first, it was just my ignorance of fluid types, but after no failures, i just kept it up. i then read a service bulletin that said to use dex3 if temps were under 40* constantly. shruggy so, i dunno, maybe i'm the luckiest guy in town ? remember, this is just MY experience with the front drive OD transaxles.
i was wondering, therefore, about type F in the A518. i did not know how the OD was lubed, but since it had clutches, i thought F would also help them lock up better. i'm missing something here, but i can't see it [old man's dysfunctional brain].
beer


Ok, that makes sense - all the seal material changed from low cost rubber compounds to Viton seals - I would have to check but if I recall correctly around 1998 model year for all the FWD transmissions.

The compounds in the rubber swell at different rates based on fluid types. We had issues with the crappy seals from 1989 til late 90’s. That caused bump stop, slippage, high CVI after higher mileage,etc. Changing to better seal materials and +4 fluid all helped the transmissions perform without issues. Changing the fluid like you did helped too.

Last edited by Transman; 09/17/18 11:03 PM.
Re: trany fluid [Re: A727Tflite] #2551447
09/18/18 12:00 PM
09/18/18 12:00 PM
Joined: Sep 2003
Posts: 19,342
north of coder
moparx Offline
"Butt Crack Bob"
moparx  Offline
"Butt Crack Bob"

Joined: Sep 2003
Posts: 19,342
north of coder
i also forgot to mention, i don't beat these things from stop light to stop light. nice, easy, look far ahead in accelerating and stopping. "old man" driving habits, not "rickey ricer racer".
hopefully, next year i can start beating on my charger again ! devil that's what toys are for, not daily drivers.
beer

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