Another weekend and it's broken again!!!

[BUSHWHACKER]

Just thinking out loud, but are you pulling the transfer lever right back towards the seat to engage H and not just selecting neutral?

If the transfercase is in neutral you'll get no drive whatever gear the transmission is in.

[robjames]

Just thinking out loud, but are you pulling the transfer lever right back towards the seat to engage H and not just selecting neutral?

If the transfercase is in neutral you'll get no drive whatever gear the transmission is in.

I'm mechanically retarded but not quite that bad

yes it was definitely in H.

H-N-L is quite smooth, moves easily enough on the truck.

[robjames]

I'll get it up off all 4 tomorrow or Wednedday.

I'm seriously fed up with the poxy thing now! I have given the diff zero abuse! The diff was fine right up until it went for a swim!!!

[BUSHWHACKER]

I did get the clong from the transfer box to happen a couple of times!

I can also feel a differance in "pull" between h and l. Putting the pig in Reverse + no revs in hi it doesn't move on the drive! put it into low and it pulls.

In drive and low I can get the brakes straining in, flick to h and the strain goes. same back the other way, no strain then strain in Low.

So h & l is working!

Agreed, that all sounds normal.

But should I be worried the transfer case noise is gone? The click from behind the radio is still there and the light still comes on and off with the switch!

Is the small diameter, rubber breather pipes secure on the transfercase?
Maybe some water got into the actuator motor causing intermittant engagement.

[robjames]

Is the small diameter, rubber breather pipes secure on the transfercase?
Maybe some water got into the actuator motor causing intermittant engagement.

Thats very plausible! It was deep!!



It's to dark now to look! I will check that, but if it was only partially engaging would the dash light not flash or fail to come on??

I'm hoping it's not the diff! If I'd abused it id understand but this was a nice sedate trawl around an off road site not trying to roar out of a bomb hole like last time! I learnt from that mistake!

I'm really at the end of my tether with the surf! More so as my mates bog standard Disco does everything the surf does bar the bits where ground clearance is key! It's embarrasing!!

[spanner_monkey]

Put it in 2wd. Jack the front wheels up. Turn the front prop by hand. If the shafts turn with it the diff is working. If the wheels don't turn with the shafts then there is something up with the CVs or the splines in the hubs.

Then put it in 4wd and disengage your manual hubs drive forward and see if the front prop turns. This will confirm if your tcase is working

[robjames]

Put it in 2wd. Jack the front wheels up. Turn the front prop by hand. If the shafts turn with it the diff is working. If the wheels don't turn with the shafts then there is something up with the CVs or the splines in the hubs.

Then put it in 4wd and disengage your manual hubs drive forward and see if the front prop turns. This will confirm if your tcase is working

I've given up for tonight

So far I can say............

Jack front up, both wheels of the ground and..........

Engage 2wd, Turn front prop by hand, front shafts do not turn!

Enfsge 4wd, I can't turn the front prop by hand.

Spin drivers wheel both drive shafts spin but only drivers wheel is spinning. Passenger outer cv is shot I can see and hear that! Front prop does not spin!

Spin passenger wheel nothing moves, see above, CV looks crapped!

I'll check to if the the front turns with 4wd and hubs unlocked tomorrow.

[BioHazard]

Have you taken the manual hubs off?? if so did you put them back on in the locked or unlocked position ..... as they will not enguage if they went back in the unlocked position.

[robjames]

Have you taken the manual hubs off?? if so did you put them back on in the locked or unlocked position ..... as they will not enguage if they went back in the unlocked position.

No they've never been off

I tried the easy stuff first that didn't involve the tool kit

The passenger cv is fubar anyway so I'll start their!!

[robjames]

Put it in 2wd. Jack the front wheels up. Turn the front prop by hand. If the shafts turn with it the diff is working. If the wheels don't turn with the shafts then there is something up with the CVs or the splines in the hubs.

Then put it in 4wd and disengage your manual hubs drive forward and see if the front prop turns. This will confirm if your tcase is working

Ok with the hubs unlocked and engaging 4wd the front prop is turning!!

I couldn't hear if it "clonked" as it engaged as I was on my face watching the front prop!!

But I assume it is as the prop was turning!!

I'm running it into my mates tomorrow to get it on the ramp!

Should I still have 3wd with the passenger CV busted?

[spanner_monkey]

Depends how busted. If the cv was still transmitting drive to the passenger wheel then you should have 4wd. If its busted to the point where the shaft will turn nut the wheel won't then you would have 2wd.
On an open diff if only one wheel has traction and the other does not the diff sends the drive to the one that has no traction. This means that your shaft with the damaged cv would just spin and the other would do nothing.

[robjames]

Depends how busted. If the cv was still transmitting drive to the passenger wheel then you should have 4wd. If its busted to the point where the shaft will turn nut the wheel won't then you would have 2wd.
On an open diff if only one wheel has traction and the other does not the diff sends the drive to the one that has no traction. This means that your shaft with the damaged cv would just spin and the other would do nothing.

It's busted, busted, busted! Flapping about would best describe it!

So even with the ADD mod I'd only have 2wd??

I thought the drivers/ off side wheel always span??

[Growler]

Drive will always go the side with least resistance in an open diff. If you had a locker you might have at least had 3 wheel drive

[spanner_monkey]

Assuming the front diff is a propped one (like the back diff) both wheels would be connected to the differential. If the drivers side were permenantly driven then it would not be a TRUE differential. As I understand it, all the ADD does is disconnect the left hand shaft from the diff.
This means that in a standard surf with add if you turn the prop by hand nothing would turn.
If the right hand shaft were perminantly engaged, turning the prop would always turn the right hand shaft, which it doesn't otherwise you would never be able to turn the front prop by hand with the wheels on the ground.

[robjames]

If you're right you may have just saved the surf from certain sale!!