Nodge68
Well-Known Member
If no mistake has been made by removing the wrong bolt, then the reverse brake band has worn out. This is often due to the reverse piston leaking, either through a crack in the piston itself, or the seals leak fluid past.
Unfortunately it's one of the most likely mechanical faults on this gearbox.
Unfortunately it's one of the most likely mechanical faults on this gearbox.
Nodge68
Well-Known Member
Checksum errors are normally related to a software glitch. Clear the code and see if it comes back.
I'm in the process of finishing mine which lost reverse (the only difference being I didn't buy it with no reverse so I knew it was the reverse band that had snapped). As said fairly common problem for the band to break (you get the same issue/symptoms if you remove the wrong bolt when draining the oil). It's not a job I'd undertake again just having the vehicle on axle stands as the g/box weighs a ton, best of luck.
One way is to take it apart. (If the box is on floor or bench it's quite easy.) The other way is to fit the box & see if everything works.
Reverse band is the copper coloured bit around clutch assembly on the left of the pictures below.
Jatco Rebuild procedure is here
Reverse band is the copper coloured bit around clutch assembly on the left of the pictures below.
Jatco Rebuild procedure is here
andyfreelandy
Well-Known Member
Don't think they are interchangeable.
Maybe use the internal parts for repair ??
Maybe use the internal parts for repair ??
