Camshaft adjuster / chain tensioner on the right (in the direction of travel) suitable for 1st - 4th Cylinder VW / Audi 4.2l V8 S6 RS6 S8 in the engine AXQ * ARS * ASG * ANK * ABZ * AKG * AKH * ARU * AQF * AUX * AUW * AVP * AEM * AQJ * AQH * AYS * BCY * BCS * BAR * BVJ * BGH * BGJ Does your engine rattle after a cold start or after it has been off for a few minutes? Then you should use this tensioner and if necessary. Also change attachments at the same time to prevent the chain from skipping. Installation note: The black plastic part is part of the locking device that keeps the tensioner tensioned. Be sure to remove after installation!!! No other special tools are required. The chain tensioner has a 2-pin connection for the solenoid valve.
