Thread: LT95 lost 1st gear

Just pick up another lt95 from somewhere and stick it in to get you going again, v8 ones are the same just swap the bell housing.

Originally Posted by DBT

ter a couple weeks of randomly jumping out of 1st gear on start off, something has let go inside the LT95. First gear is gone. Just a sad, weak grinding sound on selection.

All other gears are still functional.

Initially worried I might be stranded ......

Did I make the wrong call putting RX80 in the LT95 (discussions on that were confusing). How did this happen?

.

I'm unaware of this oil but iF"rx80" is a transmission oil then the answer is probably yes.....

This has been discussed at length and unless you use one of the specialised synthetic light gear oils you would be better and it is simpler to use whatever oil you use in the engine.

I'm thinking that getting another LT95 transmission to swap into it would be the economical fix.

Originally Posted by 87County

I'm unaware of this oil but iF"rx80" is a transmission oil then the answer is probably yes.....

This has been discussed at length and unless you use one of the specialised synthetic light gear oils you would be better and it is simpler to use whatever oil you use in the engine.

I'm thinking that getting another LT95 transmission to swap into it would be the economical fix.

Apologies. I meant RX Super. Same as engine.

No idea where i got "RX80" from. Lack of sleep perhaps.

Original post corrected.

Well, it seems like you've used an appropriate oil so hopefully there is not too much damage in the transmission but unless someone else makes a useful suggestion I think only a tear down will reveal what is actually wrong.

Originally Posted by DBT

After a couple weeks of randomly jumping out of 1st gear on start off, something has let go inside the LT95. First gear is gone. Just a sad, weak grinding sound on selection.

All other gears are still functional.

Initially worried I might be stranded in the middle of suburbia, I soon realised the mighty 4BD1 didn't care. After finishing its snack, it cheerfully dragged us home in front of my now 3 (or is it 6?) speed gearbox.

As I'm unsure if the engine will next choose to dine on the clutch, or go back to finish off the (bento) 'box, I thought I'd best be getting some advice.

Does this sound as expensive as it feels?

Is an LT95 rebuild beyond the capability of an amateur with SCA branded tools?

Did I make the wrong call putting RX Super in the LT95 (discussions on that were confusing). How did this happen?

Will the LT95 be very unstable now? Assuming theres metal now swimming around in there. It really does feel normal, apart from 1st. I know she should not be driven like this, but the Perentie seems comfortable soldiering on. And having another vehicle off the road (the bad definition) is not ideal at this time. (I will have to register - and drive - the old Camry that is currently grazing out in the back yard).

As always, any and all advice appreciated.

Dave, It sounds like you may have lost the snapring off the rear end of the mainshaft. This does happen occasionally and gives the sympton you have described. Easy way to check is to take the round cover off the back of the transfer case (only about 8 13mm bolts hold it on). When you have this off you should see a gear on the shaft which should have a shim and a snapring behind it on the end of the mainshaft just in front of the bearing journal. If the snapring is out of the groove on the rear of the mainshaft and just sitting there loose therein is your problem. If it is there is a bit of a trick involved in getting everything back in place before you can get that snapring back in the groove. Get back to me and I will guide you on how to do it. If it is still in place on the shaft behind the gear the problem will be in the gearbox itself (either 1st gear is cactus or the synchro hub or selector pads. Check the snapring out first and get back to us.

Originally Posted by Bearman

Dave, It sounds like you may have lost the snapring off the rear end of the mainshaft. This does happen occasionally and gives the sympton you have described. Easy way to check is to take the round cover off the back of the transfer case (only about 8 13mm bolts hold it on).

Thank you Brian. Oh i hope it's something that "simple".

One other symptom i forgot to mention. Before it "let go" the selector would often jam in 1st gear at the lights, while stationery. I would either have to hold the clutch in till the lights went green, or i would have to "bump" the clutch to get some rotation in the box before it would release.

Does this support your theory as well?

Thanks again.

Could be.

Originally Posted by Bearman

Dave, It sounds like you may have lost the snapring off the rear end of the mainshaft. This does happen occasionally and gives the sympton you have described. Easy way to check is to take the round cover off the back of the transfer case (only about 8 13mm bolts hold it on). When you have this off you should see a gear on the shaft which should have a shim and a snapring behind it on the end of the mainshaft just in front of the bearing journal. If the snapring is out of the groove on the rear of the mainshaft and just sitting there loose therein is your problem. If it is there is a bit of a trick involved in getting everything back in place before you can get that snapring back in the groove. Get back to me and I will guide you on how to do it. If it is still in place on the shaft behind the gear the problem will be in the gearbox itself (either 1st gear is cactus or the synchro hub or selector pads. Check the snapring out first and get back to us.

Hi Bearman,
I was pulling a small tree branch along the ground in my Perentie 110 in first gear when it momentarily caught on something. First gear disappeared. It feels like it goes into gear but no connection. All other gears are fine. I suspect it may be the snapring as you say. I have not checked the back of the gearbox yet as it is raining and windy outside. If this is the case, how do I fit this snapring back into place please?

Thanks, Brian