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Old tension roller
New tension roller, drive belt kit p/n CT 919K4/K5
Installing Drive Belt Kit on 1.8L 20V Audi A4 Engine
When refitting engines built before and during 1998, the old version stud bolt must be removed. The new version is then screwed into the same hole with a pre-mounted spacer.
(Retrofitting hydraulic damper on vehicles built before
belt drive makes noise after operating for a short time.
newly installed tension roller is not the correct distance from the engine and
allows the belt to rub on the side of the inner flanged wheel
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 different thicknesses of the spacer (3.1) + (3.2) which
define the distance from the roller to the engine. Despite the vehicle
Identification No. or (prod. Month: 01/96) it is still not absolutely
definitive which kit must be used. Assure proper belt alignment after tension
roller is replaced. If misalignment occurs, there will be noises and
catastrophic damage to the engine.
Tech Tip courtesy of ContiTech.