Front Drive Shaft

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maverickMechanic
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Front Drive Shaft

Post by maverickMechanic »

Hi,

I am about to refit a front drive shaft on a T3 Syncro. The Bently manual calls for some kind of stud lock (D6) to be applied to the front driveshaft spline. I am not too sure why? Does anyone else have experience of this?

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1990 RHD 2.1 Caravelle GL Syncro
1982 LHD 1.9 AAZ 4 Speed DK box - Camping - Westfalia Joker 1

davidoft1
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Re: Front Drive Shaft

Post by davidoft1 »

Presumably it’s to waterproof the shaft splines

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silverbullet
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Re: Front Drive Shaft

Post by silverbullet »

Grease is waterproof.

Locking compound is used on splines to prevent fretting. D6 appears to be used on all VAG vehicles which are fwd/4wd
85 syncro Caravelle twin slider Oettinger T3200E-6
90 SA Microbus supercharged wbx/UN1 project

http://www.025motorsport.com

maverickMechanic
Posts: 26
Joined: 13 Jun 2013, 10:36
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Location: Hove - East Sussex

Re: Front Drive Shaft

Post by maverickMechanic »

Well if I had googled VAG D6 Compound it would have led to this thread on the Samba where someone has stolen my picture of the Bently manual  Image

Still a lot of discussion if using a locking compound on the spline is necessary and if it might cause problems when you try and remove it. Like when I need to replace one of the CV joints!
 
1990 RHD 2.1 Caravelle GL Syncro
1982 LHD 1.9 AAZ 4 Speed DK box - Camping - Westfalia Joker 1

davidoft1
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Re: Front Drive Shaft

Post by davidoft1 »

silverbullet wrote: 17 Sep 2020, 13:29 Grease is waterproof.

Locking compound is used on splines to prevent fretting. D6 appears to be used on all VAG vehicles which are fwd/4wd

grease can wash out, looks like its a type of silicon compound from reading on the samba, probably for keeping water out of the splines and hub i expect, its not put on either the splines or the thread but the space inbetween 

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silverbullet
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Re: Front Drive Shaft

Post by silverbullet »

Its definitely a locking compound. It even comes in a relabelled red Henkel Loctite bottle.

https://www.ecstuning.com/b-genuine-vol ... /d000600a2

Sicherungsmittel (locking compound) not Dichtungsmittel (sealing compound)

I wouldn't go much on whats written on the samba, they love a "theory" and rarely ask any Europeans what is actually correct.
85 syncro Caravelle twin slider Oettinger T3200E-6
90 SA Microbus supercharged wbx/UN1 project

http://www.025motorsport.com

davidoft1
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Re: Front Drive Shaft

Post by davidoft1 »

silverbullet wrote: 17 Sep 2020, 16:01 Its definitely a locking compound. It even comes in a relabelled red Henkel Loctite bottle.

https://www.ecstuning.com/b-genuine-vol ... /d000600a2

Sicherungsmittel (locking compound) not Dichtungsmittel (sealing compound)

I wouldn't go much on whats written on the samba, they love a "theory" and rarely ask any Europeans what is actually correct.

still interested to know rather than speculate, its not locking thread as its not on threads and its not stopping spline damage as its not on the splines  :?

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silverbullet
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Re: Front Drive Shaft

Post by silverbullet »

Image
85 syncro Caravelle twin slider Oettinger T3200E-6
90 SA Microbus supercharged wbx/UN1 project

http://www.025motorsport.com

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silverbullet
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Re: Front Drive Shaft

Post by silverbullet »

The locking compound is used because of it's gap filling, high strength properties.
My old Rover P6 used the same stuff on its rear hub drive splines. Loctite 270 iirc. It prevents fretting i.e. chatter-induced wear, due to the clearance tolerances required for assembly.
Just because the nut is torqued up, it doesnt mean that the splines wont "work"
85 syncro Caravelle twin slider Oettinger T3200E-6
90 SA Microbus supercharged wbx/UN1 project

http://www.025motorsport.com

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silverbullet
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Re: Front Drive Shaft

Post by silverbullet »

ImageImage

My bus driveshafts came apart easily, so PO or VW service had neglected to renew this detail. I have to take them out again anyway (split radius rod bushes) so thank for bringing this to light.
85 syncro Caravelle twin slider Oettinger T3200E-6
90 SA Microbus supercharged wbx/UN1 project

http://www.025motorsport.com

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