Toyota 42-4FGC25:
TRANNY LEAKING, INTERCHANGE PARTS? USED/REBUILD TRANSMISSIONS?

42-4fgc25 tranny / transmission leaks about a quart every two minutes. Seems to be coming from the bottom replaced all the seals and rubber o rings... better but still leaks, Does not like to go up hills when warm, probably because it cant keep the auto transmission pressure up?! Looking to source a non leaking transmission or blueprint mine with a shop manual that has exact measurements and exploded diagram of internal parts. Thanks! Any advise around fixes appreciated!!
  • Posted 20 Jun 2013 06:21
  • Discussion started by FCG25
  • Oregon, United States
Showing items 1 - 9 of 9 results.
You are looking at around $4500.00 from a Toyota dealer. You can rebuild yours if it is not completely junk or contact Joseph Industries and they may have a rebuilt exchange or you can send yours in to be rebuilt
  • Posted 16 Oct 2017 23:00
  • Reply by Partsguy5
  • California, United States
What should a new torque convertor cost.
  • Posted 16 Oct 2017 05:54
  • Reply by 1968496
  • Michigan, United States
Can't tell you if the X261 would work or not. Depending on the production year of the truck there are 7 different transmissions used on these models. If you call over to Joseph Inustries with the model and serial number they can provide you with either a reman trans or a complete overhaul kit.
They also offer reman and new torque converters.
  • Posted 4 Jul 2013 02:45
  • Reply by Partsguy5
  • California, United States
Bump..Such dismal info out there on the www regarding these transmissions...I did find a working X261 Series Forklift Transmission, would this bolt up and work? I believeit is the next model ups tranny than mine.
  • Posted 4 Jul 2013 02:24
  • Reply by FCG25
  • Oregon, United States
Do the Aisan Transmissions use any parts in interchange with automotive stuff? Or is there an Interchage part finder amonst the various lift truck/forklift model #'s you all know of? Thanks!
  • Posted 24 Jun 2013 02:22
  • Reply by FCG25
  • Oregon, United States
Thanks for the advise, much appreciated!
  • Posted 23 Jun 2013 05:38
  • Reply by FCG25
  • Oregon, United States
get that thing replaced, don't even try and weld it.
at the speed it spins, balance is something to be respected.
  • Posted 22 Jun 2013 07:46
  • Modified 24 Jun 2013 19:53 by poster
  • Reply by edward_t
  • South Carolina, United States
"it's not rocket surgery"
You should not try to re-weld this yourself, unless you are an infinitely experienced weldor.
Options include checking with a qualified machine shop, or with a comprehensive type of automotive transmission rebuild/rehab firm that offers torque convertor repair services.
  • Posted 21 Jun 2013 03:22
  • Reply by L1ftmech
  • Tennessee, United States
Narrowed it down to the hub weld where it connects to torque converter shell micro crack, should I just re-weld or do I need a new one?
  • Posted 21 Jun 2013 02:17
  • Modified 21 Jun 2013 02:18 by poster
  • Reply by FCG25
  • Oregon, United States

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