Strange Rattle noise...possibly prop area?

[Simon Baxter]

Couple of thoughts.
When ordering the UJs with GKN one if the clever chaps there sakes why I was using agricultural joints, I said that's what they had always sold me under their advice.
He did say there was a automotive quality joint available but in the UK they ave never stocked or sold one.
I got the price and then we both agreed that we were probably better off with the agricultural version!
Very very expensive.

Next thought is...
My iltis runs a prop (obviously) as do T4 Syncro, they do differ in the fact they don't use ye olde UJs but the iltis uses a CV joint front and rear and the T4 uses rubber coupling.

One of the things I have in mind for the pile of panel van I have is to make an adapter to go from DIN90 to 6 bolts for a cv joint then to get GKN to make a prop using fast joints ala iltis.

Just a thought but I think the cv joints will be less susceptible to vibrations.

Opinions?

[jebiga41]

Mentioned the idea of using cv's in another thread think it would be a good idea would be easier to service in the future and also would possibly transmit more power more effectively

[max and caddy]

Harry,

I experimented with some bitumen impregnated, self adhesive fabric a few weeks ago. I started (and did not get any further) with a section in the middle of the shaft. I did not notice any difference when driving, but I can't say whether that was due to the relatively lightweight fabric or just having it on one place.

But... the adhesive partially failed during a short drive. A portion of the fabric came loose and was hitting the protective rails. Imagine a playing card in the spokes of a bike wheel amplified 1000 X. Was an incredible noise and vibration from such a (seemingly) small bit of material


alistair

Wonder what would happen if the prop was filled...or part filled with a liquid...thick or thin....?

[Mudlark]

From memory I believe my prop is supposed to be filled with gel or something; a Berndt Jaegar option from when the po had the tdi install done. Never investigated it though so could not say either way.

[HarryMann]

None of those variables changed anything...ever.

Actually they changed lots and lost of things... just not the particular prop vibration you were experiencing (from bad props!)