Vanos rattles when engine starts after sitting for 20 minutes +. Timing chain tensioner has been replaced. Vanos filter is clean. I suspect that the vanos accumulator is not holding pressure long enough. I have checked TIS but can't find any info. There are 3 ...

FIX posted 2/13/2009

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle