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80 series t-case popping out in low range only?

Tech Talk for Cruiser owners.

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80 series t-case popping out in low range only?

Post by mud4b »

hi all.
my mate has a 91 80 series diesel with factory part time t-case.2" lift in suspension only, no body lift.

it is popping out of lowrange only and only whilst under deceleration at any given speed.


we cannot work it out and have searched here too and also in the toyota manual but all to no avail.

anyone got any ideas? could it be the worn shaft or shims, detent ball or spring on a shift rail, adjustment of the lever?

cheers mark
Mud4b/ OPT, Cheap rates, Not cheap work. Search Opt- option offroad on facebook. Call or Sms 0439609525.. Sunshine coast, Eudlo, 4554.
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Post by 80diesel4play »

You have had a tensioner spring go bye bye.

Mine did this for about 6 months before lunching itself.

Pulled the box down and the shafts the are driven by the selector fork have a spring and ball bearing setup that slot into a groove to facilitate "locked" feel.

Right now that spring is in the transfer case disintegrating and looking at making a $2000 dent in your wallet. Pull it out, pull it down, find it or replace it!

Good luck and problem solved for now.
80 Series Turbo - the Toy car...
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Posts: 4225
Joined: Tue Jun 17, 2003 8:58 pm
Location: sunshine coast australia

Post by mud4b »

80diesel4play wrote:You have had a tensioner spring go bye bye.

Mine did this for about 6 months before lunching itself.

Pulled the box down and the shafts the are driven by the selector fork have a spring and ball bearing setup that slot into a groove to facilitate "locked" feel.

Right now that spring is in the transfer case disintegrating and looking at making a $2000 dent in your wallet. Pull it out, pull it down, find it or replace it!

Good luck and problem solved for now.

cheers bud.
thought it could be something like that.
will rip it out and tear it down.
cheers mark
Mud4b/ OPT, Cheap rates, Not cheap work. Search Opt- option offroad on facebook. Call or Sms 0439609525.. Sunshine coast, Eudlo, 4554.
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Post by dow50r »

Mark...it could also be bearings...if they get wear and slop enough, the movement can shift the fork out of the detent that the spring and ball sit in....so rip it appart, and check out all the bits...quite interesting to work out how to get it all back together :D
Posts: 4225
Joined: Tue Jun 17, 2003 8:58 pm
Location: sunshine coast australia

Post by mud4b »

dow50r wrote:Mark...it could also be bearings...if they get wear and slop enough, the movement can shift the fork out of the detent that the spring and ball sit in....so rip it appart, and check out all the bits...quite interesting to work out how to get it all back together :D
will do man. we have a bearing kit already as i knew we were ripping it apart.
as for getting em back together its easy, done them before.

cheers for the info ill post up what we found.

cheers mark
Mud4b/ OPT, Cheap rates, Not cheap work. Search Opt- option offroad on facebook. Call or Sms 0439609525.. Sunshine coast, Eudlo, 4554.
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