JHM Timing Chain Service Kit (OEM) for B6-B7 S4, C6 A6 and C5 allroad w chain 4.2L 40v - MINIMAL PLUS

NOTE: We now offer the plastic Timing Chain Guide for the top of the electric timing chain adjusters or actuators separately! So, if you're purchasing anything but the FULL or FULL PLUS Kits, make sure to add 2 of the following part to your order: Guide Rail, Upper for Electric Adjuster, Driver or Passenger Side (OEM) for B6-B7 S4, C5 A6-allroad w/ Chain 4.2L. You can go back one section and add this product to your cart or search for 'electric adjuster guide rail' in the search box.

Introducing the JHMotorsports Timing Chain Rebuild Kit for your B6-B7 S4 4.2L V8

The local Audi service departments we talk to recommend performing this service when your vehicle reaches 100,000 miles, with that being said we've seen symptoms of various forms of timing chain failures much sooner than that. With that being said the chain system on these cars should technically last the 'lifetime" of the car but unfortunately for our customers the engineers who designed this setup were wrong and failures occur regularly much earlier than even 100k. We are just here to help with parts and information to help you make your own decision based on the actual facts of what happened with these cars in the real world. This is in addition to the calls we receive from our customers on a weekly basis regarding some form of timing chain issue with their car. We have regularly seen the famous chain knock on cold start with cars that are quite new. This has been accepted by most due to its normalcy. The big concern is when they knock on warm restarts and can slap and damage other components or collapse at high rpm. We have also seen complete failures of guides and or the mechanical cam adjuster as early as 50k to 80k. Guide failures can lead to more damage to other components. If you have one mechanical cam adjuster fail, it causes one half of the motor to miss fire and sometimes damages the very pricey electric cam adjuster actuator which is included in our FULL and FULL plus kit. With that being said if your car has made it to 100k with minor or no issues it isn't a bad idea to do the service regardless to prevent damage to other components or getting stranded by a car running on half the cylinders. We see and hear of VERY few that fail in the 110k plus range. That doesn't mean they do not last on some cars, we just get more calls and local work on cars under 100k.

We have put together 6 different levels of Timing Chain Rebuild Kits to fit your individual needs for your repair:

- FULL PLUS:
This kit includes EVERYTHING you will need to complete your Timing Chain service. In addition to all of the o-rings, seals, and stretch bolts needed, you will also receive each of the 4 different chains that are required, 2x UPDATED Electrical Cam Adjuster Assemblies, 2x Mechanical Adjuster Units, all of the chain guides and tensioners required including an updated version of the guide that fails most often featuring additional reinforcements.

- FULL:
This kit includes everything featured in the FULL PLUS Kit except for the Timing Chains: all o-rings, seals, and stretch bolts needed, 2x UPDATED Electrical Cam Adjuster Assemblies, 2x Mechanical Adjuster Units, all of the chain guides and tensioners required including an updated version of the guide that fails most often featuring additional reinforcements.

- INTERMEDIATE PLUS:
This kit includes everything featured in the FULL PLUS kit except for the 2x UPDATED Electrical Cam Adjuster Assemblies and associated seals and bolts: all o-rings, seals, and stretch bolts needed, each of the 4 different chains that are required, 2x Mechanical Adjuster Units, all of the chain guides and tensioners required including an updated version of the guide that fails most often featuring additional reinforcements.

- INTERMEDIATE:
This kit includes everything featured in the INTERMEDIATE PLUS Kit except for the Timing Chains: all o-rings, seals, and stretch bolts needed, 2x Mechanical Adjuster Units, all of the chain guides and tensioners required including an updated version of the guide that fails most often featuring additional reinforcements.

- BASIC PLUS:
This kit includes everything featured in the INTERMEDIATE PLUS kit except for the Mechanical Camshaft Adjusters. It will include all o-rings, seals, chain guides, and tensioners required including an updated version of the guide that fails most often featuring additional reinforcements.

- BASIC:
This kit includes everything featured in the INTERMEDIATE PLUS kit except for the Mechanical Camshaft Adjusters and Timing Chains. It will include all o-rings, seals, chain guides, and tensioners required including an updated version of the guide that fails most often featuring additional reinforcements.

- MINIMAL PLUS: **Hit "Add to Cart" at the bottom of this page to purchase this level of the kit. If you are interested in a different kit level, go back to the "Engine & Performance" or "Filters and Maintenance" Section and chose the kit you'd like to buy.**

This kit features the minimum amount of parts required to perform a Timing Service. You will receive each of the 4 timing chains, the chain guide tensioners, and the updated version of the chain guide that fails the most often featuring additional reinforcements. This kit will also include all of the o-rings, seals, and bolts required to change these minimal parts.

NOTE: There is no VIN split for parts in this kit. The split only pertains to parts included in the other, more complete kits we offer on our site (Full Plus, Full, Intermediate Plus, and Intermediate).

- MINIMAL:
This kit features the minimum amount of parts required to perform a Timing Service. You will receive the chain guide tensioners and the updated version of the chain guide that fails the most often which features additional reinforcements. This kit will also include all of the o-rings, seals, and bolts required to change these minimal parts.

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Warning: This product may contain a chemical known to the State of California to cause cancer, birth defects, or other reproductive harm.

Learn More: www.p65warnings.ca.gov