T4 syncro reverse issue

[humphrey]

Hi ,
Can anyone guide me with this problem please?
My 99 T4 dual cab syncro seemed to have an issue trying to reverse this morning after a 60 klm drive, it was fine when cold & reversing out of my driveway?
Has anyone else experienced this problem ?
If so, what was the solution ?

Thanks,
Nath

[Seano]

More info required...like what was the nature of the problem? Stating that you 'seemed to have an issue trying to reverse this morning' just isn't enough to go on.

[humphrey]

Hi Seano,
Sorry, I didn't have time to look further into it as it happened at the airport carpark.
It didn't seem to want to go backwards, as if the handbrake was on tight & holding it up ( it wasn't). Something seemed bound up/ restricting it from going back,
Nath

[supclean]

It could be a few things, bent or faulty gear linkage or selectors not allowing gears to be selected properly
Rear brake pads locking

[Sunny43.5]

Good idea check discs for fluid leak , auto or manual ?

[jets]

auto or manual ?

The syncro wasn't available with auto.

I think the van needs putting up on a hoist to check the free motion of the rear wheels with the gearbox in neutral.
Does your Syncro have diff lock?

[humphrey]

Thanks for the advice guys, it hasn't happened again, which is a bit confusing.
it was up on the hoist today......no issues that can be seen,fluids all checked out fine, I'll just have to keep an eye on it for the time being

[humphrey]

Turned out to be the viscous coupling, my mechanic mate managed to source a good 2nd hand one , as an exchange one from VAG is $5800 !!!!!

[Racemag]

Lol! $5800!!

[Racemag]

BTW Viscous Coupling Service Mystery Solved - Page 10 - VW T4 Forum - VW T5 Forum

[humphrey]

Great link, thanks Racemag, appreciate it,
Nath

[Seano]

BTW Viscous Coupling Service Mystery Solved - Page 10 - VW T4 Forum - VW T5 Forum

I've got one of his kits...must chase a local source of the fluid though. What I have is just the raw silicone fluid...

[humphrey]

Saw the removed coupling yesterday......that one won't be getting a rebuild.....what a mess

[Syncrotek]

.....what a mess

Could you describe the mess for us, any pics ?

[humphrey]

No pics at the moment, a lot of plate forks bent, housing also broken, apparently it unwound itself ! Sprayed its insides all over the rear end underneath !