Specifications

Problem:
The belt drive makes noises after operating for a short time.
Cause:
The newly installed tensioning pulley is not the correct distance
from the engine and allows the belt to rub at the side on the
inner lange (misalignment).
Solution:
When reitting vehicles built before and during 1998, the old
version stud bolt (1) must be removed. The new version is then
screwed into the same hole with a pre-mounted spacer (2).
The problem here is that the manufacturer has two diferent
thicknesses of spacer (3.1) + (3.2) which deine the distance from
the pulley to the engine. Despite the Vehicle Identiication No.
delimitation (production month: 01/96) it is not always clear
which kit must be used since the stated Vehicle Identiication
No. can deviate from this. You should always check whether the
new tensioning pulley is correctly aligned when mounted in the
belt drive. Otherwise, noise will deinitely occur or even serious
damage to the engine.
Version to be replaced
(1)
New tensioning pulley design
(3.1) (3.2)(2)
From VIN
Up to VIN
CT 919 K4/K5
Audi A4 1.8 20V
ContiTech Technical Info 10
Converting vehicles built before 1998 to hydraulic tensioner