Syncro 4&4 Discussion and Q&A last answered over 2 years ago.
You may also want to visit the Wiki(pedia) for a more structured index of T25 repair, maintenance, technical and ownership topics (browse for Syncro links)
You can find further syncro specific information on the Syncronauts website.
Just got a horrible noise the last 2 days thought it was the rear drum but no springs broken or out of place checked the bearings for play and both rear wheels have loads replaced the bearings when I bought the van but remember that one of the carriers was loose on the bearing and low and behold thats where the horrible grinding noise is coming from Dave (crankinwagon) also had the same a month or so ago. Have a spare carrier ready to go but remember talking about this issue and whether we could get them machined and resleeved surely there must be enough carriers out there to justify this and give our engineers something more productive to do than vandalise r&r beds :lol:I know thAt between myself and save we must have at least 4 anyone else?
All right all right, I can't do everything! Too many broken vans and the ruddy home pc keeps crashing too...
Yes Clive did pass me a rear bearing carrier a while back and it's going to get investigated properly when I can give it the time of day. There is a possibility of repairing the housing with an SKF speedi-sleeve but it might be better to start with a badly knackered one so there's not too much at stake, like spoiling an otherwise "good" one.
At the risk of stating the obvious, my gut feeling is that the carrier forgings are stretching and going oval, especially with the hammering that some are getting from very hard springs and dampers (both on and off road) combined with very wide and low profile tyres (guilty on two counts here)
What are any of our friends on the continent doing to address this problem?
1985 Oettinger 3.2 Caravelle RHD syncro twin slider. SA Microbus bumpers, duplex winch system, ARC 7X15 period alloys
Whats wrong with shiming behind the circlip+blue locktight?I havent done this myself but have heard of some mecanics using bearing fit to stop the movement!.
I dont think, so I'm not[do I exist?]
1992 1600td [ jx ] syncro panel van[leisuredrive camper ]
Shimming makes no difference at all and it's a common misconception by garages that aren't familiar with VW Type 2 rear suspensions. There's one ball race that controls endfloat and one roller race that takes the majority of the load and provides compliance for expansion as the hub warms up. The problem is nearly always excessive vertical play but with acceptable horizontal play i.e. the bearings have unequal radial clearance, so the carrier isn't round and pushes the outer races out of round when they are fitted, giving excesssive play at 12/6 o'clock.
Then your mot man gives you an advisory or even a fail, even when there's really nothing much wrong
1985 Oettinger 3.2 Caravelle RHD syncro twin slider. SA Microbus bumpers, duplex winch system, ARC 7X15 period alloys
Bearing fit won't stop the outer race being influenced into a non-circular form by the distorted housing, however it is applied. I can't see how shimming can be of any use in this case.
1985 Oettinger 3.2 Caravelle RHD syncro twin slider. SA Microbus bumpers, duplex winch system, ARC 7X15 period alloys
jebiga41 wrote:...very slow these engineers compared to croatian shipbuilders
I still have their number if anyone needs it
Whatever they did to mine has held up well so far; but i got hold of another new carrier at SPD25 just in case. I have been tempted to take the existing one apart to see what they did to it; but that could possibly render it useless.
Syncro ones are always fooked, 2WD don't suffer like syncro do.
The inner bearings come out all blackened where they have been spinning in the housings.
I use bearing fit when needed with no problems.
It's either that, dig deep, or wait to find good second hand ones.
Syncrospares were selling good hubs, cleaned up and painted with a new baring fitted for £40 a couple of years ago at Vanfest. I had to fit mine at the show because mine went on the way up and I had to be brought in on a flatbed, but it's still on and going great still. Are they really worth refurbing?
replaced the bearings when I bought the van but remember that one of the carriers was loose on the bearing and low and behold thats where the horrible grinding noise is coming from 
Dave (crankinwagon) also had the same a month or so ago. Have a spare carrier ready to go but remember talking about this issue and whether we could get them machined and resleeved surely there must be enough carriers out there to justify this and give our engineers something more productive to do than vandalise r&r beds :lol:I know thAt between myself and save we must have at least 4 anyone else?
