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Old 10-11-2009, 11:58 PM
Gibbmodoll Gibbmodoll is offline
Join Date: Oct 2009
Location: Madley in Herefordshire Uk.
Posts: 485
Thumbs down VW Transporter 2.5 Diesel, code AXD, 53 plate.

Customers complaint, misfire.

First thing we did is work out what cyl: this is on, a comp test said cyl: 1, in the inlet it was noted that there was popping, and this said inlet valve trouble.

Next we removed the inlet m/fold, and with a bore scope we could see the the inlet valve was a little open when it should be closed.
Here is the fault, take a look at the camshaft and the tappet, rounded off cam lobe is a fault on VW Transporter, so look out for it, and also the right oil type must be used.

From Q8 technical data sheet.
*V10 TDI engines produced before june 2006 are excluded using 507.00. these engins have to use VW 506 O1 oil.

Rounded cam lobe.

Damage on tappet.
All the best Gibbmodoll.
(Gibbins Motors Technology and Gibbmodoll Uk Group).
The more you know, the less you know.
Here is one more great site run by the Group,
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