Car Mechanics (UK)

Sud­den loss of drive

- Vanuatu · Tonga · American Samoa · Iceland · Belgium · Austria

►This 2009 VW T30 van be­longed to a car­pen­ter and although he worked on build­ing sites, he did his best to keep it clean. While driv­ing off the site one evening, the van felt as though its wheels had lost grip and it lurched for­ward as it re­gained drive. As he was on bumpy ground, the owner didn’t give too much thought to the mat­ter un­til he felt the same lurch the next morn­ing on the way back to work.

As he was now on tar­mac, he was a little more con­cerned. Then, when pulling out at the next junc­tion, the van lost all drive. As he ac­cel­er­ated, the en­gine revs rose but the van stayed still. The fail­ure was due to the splines on the in­ner con­nec­tion of the off­side drive­shaft. This is quite a common oc­cur­rence and has been at­trib­uted to the shaft be­ing as­sem­bled with­out any lu­bri­cant. When re­plac­ing it, the short con­nect­ing shaft from the gear­box also needs to be fit­ted and the splines greased be­fore slid­ing into place.

 ??  ?? The short con­nect­ing shaft needs to be re­placed and is held in place with an Allen bolt down the cen­tre.
The short con­nect­ing shaft needs to be re­placed and is held in place with an Allen bolt down the cen­tre.

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