Noise on idle

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mrderv
B4
Posts: 446
Joined: Tue Apr 18, 2017 1:35 pm
Passat model: B8
Location: Durham

Noise on idle

Post by mrderv »

Morning all

Looking for some help, my Passat has just developed an engine noise this morning coming from the belts area. It sounds like a rattling/knocking when the engine is idling, and disappears when given slight revs.

Timing belt was done 2 years ago including pump and tensioners. Only thing that hasn't been done to my knowledge is the drive belt tensioner. My initial thinking is possibly the crank pulley?

I can't take a look yet til its a bit brighter outside, but could do with any suggestions on where to start.
2017 Passat GT Estate DSG 2.0 TDI 150

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