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