Specifications

Address: 1000 Seville Road, Wadsworth, OH 44281
Phone: [phone]
Web: www.ecstuning.com
Page -
4
B5 S4 Timing Belt Kit Installation
Our Audi B5 S4 comes to us with 106,000 miles on the
odometer; the original timing belt, accessory belt, and
water pump are still in place. (e recommended
service interval is 105,000, so it’s time!)
To expose the front of the engine so we can take
photos, we remove the entire front end, includ-
ing the lock carrier (front header) air condition-
ing condenser and fan, and radiator.
An alternative approach is to install lock carrier
hanging bolts in special threaded holes on the bumper
mounting tubes, then slide the lock carrier (header panel)
assembly forward a few inches, making enough room to work (but not enough for photos!).
General steps in this alternate procedure are outlined in a separate pdf, available on our site.
We will demonstrate the use of special camshaft and crankshaft locking tools, available sepa-
rately from ECS Tuning, or as part of a complete service kit that includes special tools, parts,
fresh antifreeze, seals, and belts. ese tools make an otherwise dicult task easy and predict-
able, and take the guesswork out of cam/crank timing.
We’ll start you o with a general repair outline and component overviews, then follow up with
a photo sequence showing detailed procedures and helpful hints.
A note about disconnecting the battery.
We do not want the starter motor engaged at any time while the timing belt is removed, or
while the crankshaft locking pin is installed. This is an interference engine; piston heads will
strike open valves with the t-belt o, if the engine is cranked.
Disconnecting the battery prevents unwanted disasters like these, but beware: doing so erases
any computer data in control modules with keep-alive memory. Lost data may include user
presets and emissions data. If you choose not to disconnect the battery, make double sure the
ignition key is in your pocket at all times. And don’t leave your remote starter fob laying around
where it can be triggered inadvertently.