Vehicles after change point in 1982
REMOVING AND INSTALLING
PISTON FOR CHAIN
TENSIONER
Unscrew plug (1).
Take off damper housing (2).
Installation:
Replace seal (3).
Tightening torque = 25 ± 3 Nm (18 ± 2 ft. lbs.)

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Unscrew connector (4).
Caution!
Strong spring pressure.
Remove spring and piston.
Installation:
Replace seal (5).
Tightening torque for connector (4) = 40 ± 3 Nm (29 ± 2 ft. lbs.).

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Tightening torque for cylinder (6) = 50 ± 3 Nm (36 ± 2 ft. lbs.).
Installation:
Check length of spring.
Nominal value: 159 ± 0.5 mm (6.260 ± 0.020").
Conically wound end of spring faces the connector.

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Piston and cylinder are matched* with each other - marked 1 or 2.
Only install parts with same marks.
Install cylinder with groove facing back (as seen looking forward in car) and piston
with groove facing up.


Siehe auch * See Specifications
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Guide piston opening into tensioning rail.
Piston is operated by engine oil pressure.

M8811161 - click to zoom