Mazda 13B-MSP Technical Information download pdf (Page 78)

Engines Powertrain

Timing Belt Tensioner

• An automatic timing belt tensioner is fitted to ensure optimum belt tension over the

service life of the engine.

• The timing chain tensioner operates using a hydraulic mechanism, which also

compensates the increased belt tension due to heat expansion of the engine

components.

L1001.4_01120

1 Timing belt 6 Plunger

2 Tensioner pulley 7 Spring

3 Plunger spring 8 Tensioner rod

4 Pressure chamber 9 Tensioner arm

5 Check valve

01-68 Curriculum Training

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Mazda 13B-MSP Technical Information Page 78