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SIERRA SJ80 GEARBOX / TRANSFER BOX
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Author:  sman [ Sun Dec 04, 2011 11:12 am ]
Post subject:  SIERRA SJ80 GEARBOX / TRANSFER BOX

Hi All,

Has anyone ever had issues with engaging low and high range gears.

I seem to have to play around till it will engage

Can the linkages be greased or do they get play in them?

Also noticed in low range the gearbox is a little whiney.

Are these cheap to repair?

Author:  coily96 [ Sun Dec 04, 2011 11:26 am ]
Post subject:  Re: SIERRA SJ80 GEARBOX / TRANSFER BOX

If it hasnt been used for some time it will be tight to find 4H and 4L, mine whines too, only n 4L.

Author:  Damo [ Sun Dec 04, 2011 11:51 am ]
Post subject:  Re: SIERRA SJ80 GEARBOX / TRANSFER BOX

Check the oil level. If whine persists go for a drive without your Mrs in the car.



:P

Author:  stonecoldcowboy [ Fri Mar 23, 2012 10:05 am ]
Post subject:  Re: SIERRA SJ80 GEARBOX / TRANSFER BOX

i have problems with my sj80 transfer box. i can change from 2h to 4h but cant get into neutral or 4l......are they easy to fix and cheap or dont worry bout it

Author:  Rusho [ Fri Mar 23, 2012 10:16 am ]
Post subject:  Re: SIERRA SJ80 GEARBOX / TRANSFER BOX

stonecoldcowboy wrote:
i have problems with my sj80 transfer box. i can change from 2h to 4h but cant get into neutral or 4l......are they easy to fix and cheap or dont worry bout it


FWIW change it to a leafy case. At least you can gear it later.

Author:  Fatzook [ Fri Mar 23, 2012 10:37 am ]
Post subject:  Re: SIERRA SJ80 GEARBOX / TRANSFER BOX

stonecoldcowboy wrote:
i have problems with my sj80 transfer box. i can change from 2h to 4h but cant get into neutral or 4l......are they easy to fix and cheap or dont worry bout it



Have you pulled the shifter stick out and inspected the shifter bush underneath? They degrade over time and can cause this exact issue. Sometimes they even prevent the stick from being moved at all.

$10 part :wink:

Author:  jonno_racing [ Fri Mar 23, 2012 8:57 pm ]
Post subject:  Re: SIERRA SJ80 GEARBOX / TRANSFER BOX

Fatzook wrote:
stonecoldcowboy wrote:
i have problems with my sj80 transfer box. i can change from 2h to 4h but cant get into neutral or 4l......are they easy to fix and cheap or dont worry bout it



Have you pulled the shifter stick out and inspected the shifter bush underneath? They degrade over time and can cause this exact issue. Sometimes they even prevent the stick from being moved at all.

$10 part :wink:


sj80 has no shift bush. :roll: :roll:

Author:  want33s [ Fri Mar 23, 2012 8:59 pm ]
Post subject:  Re: SIERRA SJ80 GEARBOX / TRANSFER BOX

Ha ha... coilies suck.

Author:  Reubs [ Fri Mar 23, 2012 10:57 pm ]
Post subject:  Re: SIERRA SJ80 GEARBOX / TRANSFER BOX

sman wrote:
...
Has anyone ever had issues with engaging low and high range gears.
I seem to have to play around till it will engage
...
Also noticed in low range the gearbox is a little whiney.
...

Hi Sman,

Sounds normal if the 'transmission is wound up' and the transfer box is tight - such as if you have been in high range for a while on hard surfaces and then want to select low. If this is the case, try reversing a couple of metres or driving forward in a zig-zag to take the pressure off the gears.

Low range will always whine - that is normal.

Reubs

Author:  brodie03 [ Sat Mar 24, 2012 9:39 pm ]
Post subject:  Re: SIERRA SJ80 GEARBOX / TRANSFER BOX

I have had this issue before and did exactly as reubs suggested and still could not get it to engage. Wheeled for an hour in 4H and randomly tried to change into 4L and didn't have an issue in engaging.

Author:  djed [ Sat Mar 24, 2012 9:42 pm ]
Post subject:  Re: SIERRA SJ80 GEARBOX / TRANSFER BOX

if the car has a body lift the tranfer shifter maybe hitting the underbody metal due to the new angle

Author:  Jjrs51@hotmail.com [ Mon Jul 31, 2017 5:00 am ]
Post subject:  Re: SIERRA SJ80 GEARBOX / TRANSFER BOX

sman wrote:
Hi All,

Has anyone ever had issues with engaging low and high range gears.

I seem to have to play around till it will engage

Can the linkages be greased or do they get play in them?

Also noticed in low range the gearbox is a little whiney.

Are these cheap to repair?



Hi, did you ever find out and fix your 4 low gear problem..I have the same problem with my SJ80 Sierra..and can't find a solution..appreciate your help
John
Limassol, Cyprus

Author:  watermouse [ Tue Aug 01, 2017 10:33 pm ]
Post subject:  Re: SIERRA SJ80 GEARBOX / TRANSFER BOX

sman came and went, in 2011

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