Impreza L Sedan F4-2.2L SOHC (1997)
Timing Belt: Description and Operation
Equipped New Automatic Belt Tension Adjuster
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A single timing belt drives two camshafts (one in the left bank and one in the right bank). The back of the belt also drives the water pump.
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The timing belt teeth have a specially designed round profile to provide quiet operation. The timing belt is composed of a strong and inflexible
core wire, a wear-resistant canvas and heat-resistant rubber material.
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A hydraulic automatic belt tensioner adjuster constantly maintains specified belt tension to properly drive the camshafts, as well as to provide a "
maintenance-free" advantage.
