All Things Mk5 > How to Guides / Troubleshooting

Top end clatter 2007 GTi.

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RussH:
I think that's my next plan, open the variable cam timing cover. The VCDS interrogation shows that the chain is in good condition but I'll check/replace the oil seals in the module.
Plus do some research into how it actually works to try and figure out why it's unstable.

RussH:
I could be close to fixing it:)
I took the cam adjuster solenoid out and cleaned it. It looked perfectly clean but it's now virtually fixed. 99% fixed!
It's made the noise once for maybe 1 or 2 seconds since I removed and cleaned the solenoid.
So even if it returns I'm confident that I've found the problem.

pudding:
A few of us have had this rattle and it was caused by a broken oil control ring in the chain cover.  The middle one in my case.

RussH:
My next step was getting into the valve timing module to replace the oil seals. I tried to order them from VW (wanting to avoid the knock offs made out of recycled egg cartons) but they couldn't find them. Mine is an Edition 30 as well so that maybe a problem in the VW parts system.
But I'm pretty confident I've fixed it. Happy days!
The not knowing what the problem was was driving me nuts.

pudding:
For future reference - https://www.akstuning.co.uk/shop/home/345-genuine-camshaft-adjuster-housing-seal-set.html

Edition 30 and GTI share the same parts, so shouldn't cause the dealers any problems regarding their parts system.  I've never struggled getting anything for mine.

The VVT solenoids aren't known to directly cause a rattling noise, so consider it a temporary fix until it's stayed quiet for at least a month of high and low speed driving.

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