194002287 - 4410OA CHECKING CORRECT TIGHTENING OF FRONT SUSPENSION

Position the vehicle on a two column lift.
If the area where the noise is coming from has been identified, firstly check the fastenings in that area, otherwise follow the order indicated.
Using a torque wrench set to the recommended value, check that the shock absorber is tightened to the mounting (1) to the recommended torque.
Type of fasteningComponentTorque (daNm)
1Nut M12X1.5Upper Turret10
Visually inspect that the yield point type bolts fastening the turret mounting to the bodywork (2) have not loosened.
Type of fasteningComponentTorque (daNm) + Angle (°)
2Nut M8Upper turret2 + 45°
Raise the vehicle and check that the front suspension fastenings are correctly tightened.Visually inspect that the yield point type bolts fastening the shock absorber to the steering knuckle (3) have not loosened.
Type of fasteningComponentTorque (daNm) + Angle (°)
3Nut M12X1.5Shock absorber mounting8,5 + 75°
Visually inspect that the yield point type bolts fastening the steering box to the frame (4) have not loosened.
Type of fasteningComponentTorque (daNm) + Angle (°)
4Nut M12X1.25Chassis4,5 + 45°
Using a torque wrench calibrated to the recommended value, check that the fastening between the steering box and the steering knuckle (5) is tightened to the recommended torque.
Type of fasteningComponentTorque (daNm)
5Nut M12X1.5Steering knuckle3,5
Using a torque wrench calibrated to the recommended value, check that the fastenings securing the anti-roll bar to the frame (6) are tightened to the recommended torque.
Type of fasteningComponentTorque (daNm)
6Bolt M8Chassis2
Using a torque wrench calibrated to the recommended value, check that the fastenings securing the connecting rod to the bar (7a) and to the shock absorber (7b) are tightened to the recommended torque.
Type of fasteningComponentTorque (daNm)
7aNut M12X1.5Anti-roll bar6,5
7bNut M12X1.5Shock absorber6,5
Visually inspect that the yield point type bolts for the front fastening between the frame and the bodyshell (8a) and the rear fastening between the frame and the bodyshell (8b) have not loosened.
Type of fasteningComponentTorque (daNm) + Angle (°)
8aBolt M12Front fastening on bodyshell10 + 90°
8bBolt M12Rear fastening on bodyshell10 + 90°
Visually inspect that the yield point type bolts for the bracket (frame to bodywork) securing the frame to the bodyshell on the outer side (9a) and the bracket (frame attachment to bodywork) securing the frame to the bodyshell on the inner side (9b) have not loosened.
Type of fasteningComponentTorque (daNm) + Angle (°)
9aBolt M12Bodyshell outer side9 + 45°
9bBolt M12Bodyshell inner side9 + 45°
Visually inspect that the yield point type bolts on the fastening for the track control arm front mounting to the steering knuckle (10a), on the fastening for the rear attachment for the track control arm to the frame (10b), on the fastening for the track control arm to the bush (10c) and on the fastening for the track control arm to the steering knuckle (10d) have not loosened.
Type of fasteningComponentTorque (daNm) + Angle (°)
10aBolt M10X1.25Front on frame9 + 75°
10bBolt M12X1.5Rear on frame9 + 75°
10cBolt M10Bush on arm4 + 40°
10dNut M10Steering knuckle3 + 60°
Using a torque wrench calibrated to the recommended value, check that the bolt fixing the front connecting rod to the frame (11) is tightened to the recommended torque.
Type of fasteningComponentTorque (daNm)
11Bolt M12Chassis8
Using a torque wrench calibrated to the recommended value, check that the bolt fixing the front brake caliper to the steering knuckle (12) is tightened to the recommended torque.
Type of fasteningComponentTorque (daNm)
12Bolt M14X2Steering knuckle23