Just a question, on my previous post, someone said that upgrading the 2 of S4 guide rails to RS4 rails don't make a miracle. The reason I said that was because all of the guides on the RS4 are metal reinforced. There are more than just those 2 guides on the S4 motor. I just removed an S4 engine with 100k miles on it and just about every one of Yes, you can upgrade some of the guides. There are 3 chains, 2 time the 4 cams, and 1 times the other two with the crank. The 2 that time the cams are different, and cannot be replaced with rs4 parts, but the 1 that times the crank can be replaced with rs4 parts, and that’s the one that fails most often. 2. Slide the new belt in place. When installing the new Tensioner, make sure that the rear tab fits completely inside the block. Now, set the tension: Tight barely the Tensioner nut. Using an Allen wrench, turn clockwise the center of the Tensioner until the notch is aligned with the highlighted dot. The timing chain is the crucial link between the top and bottom of your engine. It connects the crankshaft and the camshaft together so that your transmission turns in harmony with your engine. Without that connection, you lose control of your wheels. Most Volkswagen timing chains are made to last at least 120,000 miles. Bumper cover and front clip is only an hour or so, so dropping the engine to get to the rear chains is a curious call. And bunch of other parts. Search for Audi A8 4.2 BVJ timing chain replacement Forum Some info on the cooler/O-rings replacement and other parts to replace while the front clip is off in discussion here within DasuberS8's thread. . Slide the new belt in place. When installing the new Tensioner, make sure that the rear tab fits completely inside the block. Now, set the tension: Tight barely the Tensioner nut. Using an Allen wrench, turn clockwise the center of the Tensioner until the notch is aligned with the highlighted dot. Timing chain: Audi S4 3.0 TFSI 260 kW / 349 hp / 354 PS | 2995 cc | 6 | VW EA839 | CWGD: Timing chain: Audi RS4 2.9 TFSI 331 kW / 444 hp / 450 PS | 2894 cc | 6 | VW EA839 | DECA: Timing chain: Audi RS4 2.9 TFSI 331 kW / 444 hp / 450 PS | 2894 cc | 6 | VW EA839: Timing chain: Audi RS4 2.9 TFSI 331 kW / 444 hp / 450 PS | 2894 cc | 6 | VW EA839 Do any of you have the Factory service intervals for our S4's? If so, what does it say about timing chain service intervals. My understanding of these chains is they were installed on engines to add durability and reduce the need for servicing (like timing belts required). Any help would be appreciated. Timing chain: Audi A6 2.8 FSI V6 2011 – 2015: 204 hp: Timing chain: Audi A6 2.8 FSI V6 quattro 2011 – 2015: 204 hp: Timing chain: Audi A6 2.0 TDI DPF 2011 – 2015: 177 hp: 210 000 kilometres: Audi A6 2.0 TDI ultra 2011 – 2015: 190 hp: 210 000 kilometres: Audi A6 3.0 TDI V6 DPF quattro 2011 – 2015: 204 hp: Timing chain: Audi A6 3.0 TDI Click Me for Cam Tensioner and Chain Tools! Call us today to get setup with the JHM Timing Chain Service Kit you need! Last edited by Tech/Sales@JHM; 06-04-2012 at 11:35 PM . JHM otorsports.com - (209) 968-0077 - JHM Dealers. Worlds First 12sec B7 A4 2.0T. JHM B6-S4 runs 11s w/ JHM SC Kit - B7-RS4 runs 10s w/ JHM SC Kit.

audi s4 timing chain replacement interval