Buy 2003 Audi S6 4.2L V8 A/T Avant Wagon Engine Timing Chain Guide. Q7; Upper. Touareg; Upper. Timing Upper, Along, BEARINGS - OEM Audi Part # 057109513B (057-109-513-B)

Engine Timing Chain Guide. Rail.
Camshaft. Guide for the Timing Chain.

Engine Timing Chain Guide

Fits Q7

Q7; Upper. Touareg; Upper.
Timing Chain - Repair or Replace
Your engine's timing chain can stretch over time resulting in a check engine light that comes along with excessive noise from your engine's timing cover. If the chain has broken, which is a rare occurrence, the engine will not start. If your 2003 Audi S6 has high mileage along with any of these other symptoms, contact our service department for expert diagnosis.