Torque Specifications
Here’s the collection of all torque specs I have found in various manuals. I’ve also included some torques from other FIAT models where one for the cabriolets was not specified, but a car with a similar part was.
| Category | Model | Item | Part # | Size | Torque | Diagram | Source |
|---|---|---|---|---|---|---|---|
| Engine | 1500 | Con rod cap bolt | 4104208 | M11x1.0 | 47.7 ft. lbs | Chilton, Pg 122 | |
| Engine | 1500 | Con rod cap bolt | 4104208 | M11x1.0 | 50.6 ft. lbs | 118H Svc Manual, Pg 25, 118K/118SB Svc Manual Pg 51 | |
| Engine | 1500 | Crankshaft pulley bolt | 4089697 | M20x1.0 | 101.3 ft. lbs | 118H Svc Manual, Pg 25, 118K/118SB Svc Manual Pg 51 | |
| Engine | 1500 (118K) | Cylinder head bolt (115C.005) | 1/59747/30 | M12x1.5 | 50.6 ft. lbs | 118K/118SB Svc Manual, Pg 51 | |
| Engine | 1500 (118H) | Cylinder head bolt (115.005) | 1/59747/30 | M12x1.5 | 65.1 ft. lbs | 118H Svc Manual, Pg 25 | |
| Engine | 1500 | Driven sprocket to camshaft bolt | 1/59707/20 | M10x1.25 | 36.2 ft. lbs | 118H Svc Manual, Pg 25, 118K/118SB Svc Manual Pg 51 | |
| Engine | 1500 | Fan solenoid thermal switch (sender) | 4078479 | M22x1.5 | 36.2 to 43.4 ft. lbs | 118H Svc Manual, Pg 25, 118K/118SB Svc Manual Pg 51 | |
| Engine | 1500 | Flywheel-to-crankshaft bolt | 1/42334/30 | M10x1.25 | 57.9 ft. lbs | 118H Svc Manual, Pg 25, 118K/118SB Svc Manual Pg 51 | |
| Engine | 1500 | Main bearing cap bolt | 4025557 | M12x1.5 | 76 ft. lbs | 118H Svc Manual, Pg 25, 118K/118SB Svc Manual Pg 51 | |
| Engine | 1500 | Rocker shaft support to cylinder head stud nut | 1/61008/11 | M8x1.25 | 13.7 ft. lbs | 118H Svc Manual, Pg 25, 118K/118SB Svc Manual Pg 51 | |
| Engine | 1500 | Spark plugs | 4079728 | M14x1.25 | 18.1 to 21.7 ft. lbs | 118H Svc Manual, Pg 25, 118K/118SB Svc Manual Pg 51 | |
| Engine | 1600S | Con rod cap bolt | 4045971 | M9x1.0 | 28.9 ft. lbs | 118K/118SB Svc Manual Pg 51 | |
| Engine | 1600S | Cylinder head bolt | 1/59749/30 | M12x1.5 | 65.1 ft. lbs | 118K/118SB Svc Manual Pg 51 | |
| Engine | 1600S | Camshaft bearing cap stud | 1/61008/21 | M8x1.25 | 18.1 ft. lbs | 118K/118SB Svc Manual Pg 51 | |
| Engine | 1600S | Fan solenoid thermal switch (sender) | 4111819 | M22x1.5 | 36.2 to 43.4 ft. lbs | 118K/118SB Svc Manual Pg 51 | |
| Engine | 1600S | Flywheel-to-crankshaft bolt | 4104765 | M9x1.0 | 32.5 ft. lbs | 118K/118SB Svc Manual Pg 51 | |
| Engine | 1600S | Main bearing cap bolt | 4025557 | M12x1.5 | 76 ft. lbs | 118K/118SB Svc Manual Pg 51 | |
| Engine | 1600S | Spark plugs | 4079728 | M14x1.25 | 18.1 to 21.7 ft. lbs | 118K/118SB Svc Manual Pg 51 | |
| Engine | 1600S | Centrifugal Oil Filter Bolt | 4104168 | M18x1.0 | 101.3 ft. lbs | 118K/118SB Svc Manual Pg 51 | |
| Engine | 1500/1600S | Bellhousing to engine bolts | 54 ft. lbs | FIAT 1300, 1500 1961-1967 Autobook Pg 138 | |||
| Engine | 1500/1600S | Bellhousing to transmission bolts | 40 ft. lbs | FIAT 1300, 1500 1961-1967 Autobook Pg 138 | |||
| Driveline | 1500/1600S | Nut, flexible joint sleeve at mainshaft | 4126567 | M20x1.0 | 57.9 ft. lbs | 118K/118SB Svc Manual Pg 120 | |
| Driveline | 1500/1600S | Bolt, countershaft front bearing | 1/55404/20 | M12x1.25 | 68.7 ft. lbs | 118K/118SB Svc Manual Pg 120 | |
| Driveline | 1500/1600S | Nut, countershaft rear bearing | 1/40441/71 | M18x1.5 | 86.8 to 101.3 ft. lbs | 118K/118SB Svc Manual Pg 120 | |
| Driveline | 1500/1600S | Nut, flex joint to mainshaft sleeve | 1/25745/11 | M10x1.25 | 18.1 to 21.7 ft. lbs | 118K/118SB Svc Manual Pg 120 | |
| Driveline | 1500/1600S | Bolt, flex joint to prop shaft | 1/25745/11 | M10x1.25 | 18.1 to 21.7 ft. lbs | 118K/118SB Svc Manual Pg 120 | |
| Driveline | 1500/1600S | Nut, front prop shaft rear sleeve | 1/25749/11 | M16x1.5 | 144.7 ft. lbs | 118K/118SB Svc Manual Pg 120 | |
| Driveline | 1500/1600S | Bolt, prop shaft pillow block to crossmember | 1/60433/21 | M8x1.25 | 10.1 to 18.1 ft. lbs | 118K/118SB Svc Manual Pg 12 | |
| Driveline | 1500/1600S | Bolt, crossmember to body | 1/38260/21 | M8x1.25 | 10.1 to 18.1 ft. lbs | 118K/118SB Svc Manual Pg 120 | |
| Driveline | 1500/1600S | Bolt, differential carrier cap | 1/58887/21 | M10x1.25 | 36.2 to 47 ft. lbs | 118K/118SB Svc Manual Pg 120 | |
| Driveline | 1500/1600S | Bolt, differential carrier to axle housing | 1/60434/21 | M8x1.25 | 14.5 to 18.1 ft. lbs | 118K/118SB Svc Manual Pg 120 | |
| Driveline | 1500/1600S | Bolt, final drive ring gear | 4145197 | M10x1.25 | 65.1 to 79.6 ft. lbs | 118K/118SB Svc Manual Pg 120 | |
| Driveline | 1500/1600S | Nut, final drive pinion sleeve | 1/25749/11 | M16x1.5 | 57.9 to 115.7 ft. lbs | 118K/118SB Svc Manual Pg 120 | |
| Rear Suspension | 1500/1600S | Nut, wheel hub to axle shaft | 875611 | 159.1 ft. lbs minimum | 118K/118SB Svc Manual Pg 120 | ||
| Rear Suspension | 1500 | Stud, wheel hub | 4103782 | M12x1.25 | 39.8 to 54.2 ft. lbs | 118K/118SB Svc Manual Pg 120 | |
| Rear Suspension | 1600S | Nut, wheel hub stud | 4009008 | M12x1.25 | 54.2 to 61.5 ft. lbs | 118K/118SB Svc Manual Pg 120 | |
| Rear Suspension | 1500/1600S | Nut, spring to rear axle U-bolt | 735802 | M10x1.25 | 21.7 to 25.3 ft. lbs | 118K/118SB Svc Manual Pg 120 | |
| Rear Suspension | 1500/1600S | Nut, spring shackle pin | 1/61008/11 | M8x1.25 | 10.8 ft. lbs | 118K/118SB Svc Manual Pg 120 | |
| Rear Suspension | 1500/1600S | Spring front mounting bolt | 1/25748/11 | M14x1.5 | 54.2 to 59.3 ft. lbs | 118K/118SB Svc Manual Pg 121 | |
| Front Suspension | 1500/1600S | Nut, shock absorber lower mounting stud | 1/61050/11 | M12x1.25 | 50.6 to 54.2 ft. lbs | 118K/118SB Svc Manual Pg 121 | |
| Front Suspension | 1500/1600S | Lock Nut, steering knuckle top/bottom trunnion | 1/25748/11 | M14x1.5 | 86.8 to 101.3 ft. lbs | D3.14 | 118K/118SB Svc Manual Pg 121 |
| Front Suspension | 1500/1600S | Bolt (short) steering arm to knuckle | 4119364 | M12x1.5 | 65.1 to 72.3 ft. lbs | D2.10 | 118K/118SB Svc Manual Pg 121 |
| Front Suspension | 1500/1600S | Nut, caliper plate and steering arm to knuckle | 1/21647/21 | M10x1.25 | 32.5 to 47 ft. lbs | D2.10 | 118K/118SB Svc Manual Pg 121 |
| Front Suspension | 1100 | Lower control arm bracket to subframe | 101.3 ft. lbs | Chilton, Pg. 122. | |||
| Front Suspension | 1100 | Lower control arm to bracket pin | 144.7 ft. lbs | Chilton, Pg. 122. | |||
| Front Suspension | 1100 | Upper control arm pin | 43.4 ft. lbs (minumum) | Chilton, Pg. 122. | |||
| Front Suspension | 1100 | Sway bar to frame | 32.5 ft. lbs | Chilton, Pg. 122. | |||
| Front Suspension | 1100 | Sway bar to lower control arm | 18.1 ft. lbs | Chilton, Pg. 122. | |||
| Steering | 1500/1600S | Nut, steering wheel to column | 1/07914/11 | M16x1.5 | 36.2 ft. lbs | D2.01 | 118K/118SB Svc Manual Pg 121 |
| Steering | 1500/1600S | Nut, steering box to body | 1/21647/11 | M10x1.25 | 21.7 to 25.3 ft. lbs | D2.01 | 118K/118SB Svc Manual Pg 121 |
| Steering | 1500/1600S | Nut, pitman arm to steering box | 1/21643/21 | M20x1.5 | 144.7 to 173.6 ft. lbs | D2.02 | 118K/118SB Svc Manual Pg 121 |
| Steering | 1500/1600S | Nut, idler arm support to body | 1/21647/11 | M10x1.25 | 25.3 to 28.9 ft. lbs | D2.10 | 118K/118SB Svc Manual Pg 121 |
| Steering | 1500/1600S | Nut, tie rod ends, idler arm ends | 1/07934/11 | M14x1.5 | 32.5 to 39.8 ft. lbs | D2.10 | 118K/118SB Svc Manual Pg 121 |
| Brakes | 1500 | Nut, brake backing plate to rear axle | 1/61008/11 | M8x1.25 | 14.5 to 18.1 ft. lbs | 118K/118SB Svc Manual Pg 121 | |
| Brakes | 1600S | Nut, brake shield and caliper plate to rear axle | 1/61008/21 | M8x1.25 | 14.5 to 18.1 ft. lbs | 118K/118SB Svc Manual Pg 121 | |
| Brakes | 1500/1600S | Bolt, brake caliper to plate | 4084893 | M12x1.25 | 65.1 to 72.3 ft. lbs | 118K/118SB Svc Manual Pg 121 | |
| Brakes | 1600S | Bolt through front brake caliper (must be replaced) | 4071544 | 7/16 24 UNF | 66.5 to 70.2 ft. lbs | 118K/118SB Svc Manual Pg 121 | |
| Brakes | 1500/1600S | Bolt through front brake caliper (must be replaced) | 4071545 | 3/8 24 UNF | 52.1 to 55 ft. lbs | 118K/118SB Svc Manual Pg 121 | |
| Brakes | 1500 | Bolt through front brake caliper (must be replaced) | 4071558 | 5/16 24 UNF | 28.2 to 29.7 ft. lbs | 118K/118SB Svc Manual Pg 121 | |
| Brakes | 1600S | Bolt through rear brake caliper (must be replaced) | 4071545 | 3/8 24 UNF | 52.1 to 55 ft. lbs | 118K/118SB Svc Manual Pg 121 |