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Fiat 500 Torque Settings

Engine Tightening Reference

Item

Ricambio Part Number

Thread Pitch Tightening Torque (ft.lbs)

Main Bearing to Crankcase Screw

RIC-8437/RIC-4510

M8x1.25

15.2

Flywheel to Crankshaft Screw

RIC-3707

M8x1.25

23.1

Con Rod Bolt and Nut RIC-4111 M8x1 23.9
Rocker Shaft to Head Nut M8x1.25 15.2
Cylinder Head Hold Down Nut RIC-2612 M10x1.25 23.9
Gear to Camshaft Screw M6x1 6.5
Generator and Fan Drive Pulley Hub Screw M24x1.5 108.5
Generator and Fan Drive Pulley to Hub Screw M6x1 5.8
Fan to Generator Self-Locking Nut M10x1.25 25.3
Pulley to Generator Self-Locking Nut M10x1.25 14.5

 

 Gearbox-Differential Adjustment and Tightening Reference

Item Ricambio Part Number Thread Pitch Tightening Torque (ft.lbs)
Primary Shaft Gear Nut M14x1 18.1 to 25.3
Layshaft Gear Nut M14x1.5 28.9 to 36.2
Ring Gear to Differential Case Screw M8x1.25 23.1
Differential Bearing Housing to Gearbox Casing Nut M8x1.25 13.0
Gearbox Casing ans Support to Engine Nut M10x1.25 27.5
Gearbox Differential Support Assembly to Engine Nut M8x1.25 18.1 to 21.7
Axle Shaft Sleeve to Flexible Joint Screw M8x1.25 20.3
Differential Roller Bearing Rotation 1.01 ± 0.07

 

 Front Suspension and Wheel Tightening Reference 

Item Ricambio Part Number Thread Pitch Tightening Torque (ft.lbs)
Front Swinging Arm to Body Mounting Pin Rubber Bushing Nut M12x1.5 28.9 to 36.2
Leaf Spring to Body Nut RIC-7279 M10x1.25 28.9
Kingpin Housing to Swing Arm RIC-4237 M10x1.25 39.8 to 43.4
Brake Housing Flange to Steering Knuckle Nut M8x1.25 14.5
Leaf Spring to Kingpin Housing Nut M10x1.25 28.9
Swinging Arm to Body Nut M10x1.25 28.9
Bearing on Steering Knuckle Nut RIC-928/RIC-929 M14x1.5 21.7
Wheel to Hub Screw M10x1.5 32.5 to 39.8

 

 Rear Suspension and Wheel Tightening Reference

Item Ricambio Part Number Thread Pitch Tightening Torque (ft.lbs)
Swinging Arm Pin to Floor Nut M12x1.5

43.4 to 50.6

Swinging Arm Support to Floor Screw M10x1.25

28.9 to 36.2

Hub and Brake Housing Flange to Swinging Arm Nut M10x1.25

43.4

Flexible Joint to Rear Wheel Shaft Nut M18x1.5 Refer to Page 148 in the workshop manual
Differential Shaft Sleeve to Flexible Joint Screw M8x1.25 20.3
Wheel to Hub Screw M10x1.5 32.5 to 39.8
Rear Wheel Bearing Rotation 0.36

 

 Steering System Tightening Reference

Item Ricambio Part Number Thread Pitch Tightening Torque (ft.lbs)
Pitman Arm to Sector Shaft Nut M14x1.5 72.3 to 79.6
Relay Lever Pin Nut M12x1.5 39.8 to 43.4
Steering Box to Body Nut and Relay Lever Support Nut M8x1.25 14.5 to 18.1
Tie Rod Ball Pin Nut M10x1.25 18.1 to 21.7
Steering Wheel Nut RIC-2963 M18x1.5 28.9 to 36.2

 

Brake Tightening Reference

Item Ricambio Part Number Thread Pitch Tightening Torque (ft.lbs)
Brake Housing Flange to Steering Knuckle Nut M8x1.25 14.5
Brake Housing Flange to Swinging Arm Nut M10x1.25 43.4