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Old 10-11-2009, 11:58 PM
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Gibbmodoll Gibbmodoll is offline
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Join Date: Oct 2009
Location: Madley in Herefordshire Uk.
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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.
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