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Cummins B-Series 1990 Torque Specifications

Size MM (inch)Class & ApplicationTorque Specifications
N-mlb-ft
10Aftercooler Mounting24 ± 318
(5/16)Aftercooler Water Hose Clamp5 ± 14
(15/16)Air Compressor (Bendix) Gear Nut125 ± 1393
18Air Compressor (Bendix) Mounting Nut77 ± 757
12Air Fuel Control Banjo Screw (in Pump)12 ± 29
(1/2)Air Fuel Control Fitting (In Head)8 ± 16
(15/16)Alternator Pulley80 ± 859
13 or (3/4)Alternator Link (Delco 15-20-27 SI)43 ± 432
16Alternator Mounting Bolt 15 SI43 ± 432
18Alternator Mounting Bolt and Nut 20-27 SI77 ± 757
13Alternator Support (Upper)24 ± 318
23Balancer Mounting -- Step 15036
 Step 27051
 Step 3175129
Allen 8mmBalancer Idler Gear43 ± 432
Allen 5mmBelt Tensioner Flat Bracket24 ± 318
15Belt Tensioner Mounting43 ± 432
13Cam Thrust Plate24 ± 318
12Connecting Rod -- Step13526
 Step 27051
 Step 310073
15Crankshaft Damper & Pulley125 ± 692
18Cylinder Head Mounting -- Step 14029
 Step 28562
 Step 312693
(5/16)Crossover Clamp5 ± 14
13Exhaust Manifold43 ± 432
13Exhaust Outlet Pipe Brkt. Mounting43 ± 432
13Exhaust Outlet Pipe, Flanged24 ± 318
(7/16)Exhaust Outlet Pipe, V Band Clamp8 ± 16
10Fan Bracket Mounting24 ± 318
13Fan pulley24 ± 318
19Flywheel137 ± 7101
15Flywheel Housing60 ± 645
13Flywheel Housing Cover24 ± 318
(1/2)Flywheel Housing Plug36 ± 325
 Front Cover CapHand Tighten
18Front Engine Support Mounting77 ± 757
(1-1/8)Front Engine Support (Barrel)350 ± 20257
17Fuel Banjo Screw (in Fuel Pump)32 ± 327
17Fuel Banjo Screw (In Head)24 ± 318
10Fuel Banjo Screw (In Injector)8 ± 16
10Fuel Vent Screw (In Banjo)8 ± 16
80-95Fuel Filter3/4 Turn After Contact
14Fuel Low Pressure Supply32 ± 327
24Fuel Filter Adapter Nut32 ± 324
17Fuel Line Fitting (High Press)24 ± 318
22Fuel Pump Drive Gear (with Pump Unlocked)65 ± 648
10Fuel Pump Lock (Bosch)30 ± 322
10Fuel Pump Unlock (Bosch)13 ± 310
(9/16)Fuel Pump Lock (CAV)7 ± 15
(9/16)Fuel Pump Unlock (CAV)20 ± 315
13Fuel Pump Mounting Nut24 ± 318
10Fuel Pump Support Bracket24 ± 318
10Gear Cover24 ± 318
10Gear Housing-to-Block24 ± 318
24Injector Retaining Nut60 ± 544
10Intake Manifold Cover24 ± 318
(5/8)Intake Heater Plug125 ± 1090
10Lift Pump Mounting/Cover Plate24 ± 318
18Lifting Bracket (Rear)77 ± 757
23Main Bearing Cap -- Step 16044
 Step 211988
 Step 3176129
15Oil Fill Tube Mounting43 ± 432
75-85Oil Filter3/4 Turn After Contact
10Oil Cooler Assembly24 ± 318
17Oil Pan Drain Plug80 ± 360
17Oil Pan Heater Plug80 ± 360
10Oil Pan Mounting24 ± 318
19Oil Pressure Regulator Plug80 ± 1260
13Oil Pump Mounting24 ± 318
13Oil Suction Tube (Flange)24 ± 318
10Oil Suction Tube Brace24 ± 318
15PTO Adapter77 ± 757
13PTO Adapter Cover Plate (A Drive)43 ± 432
15PTO Adapter Cover Plate (B Drive)77 ± 757
(3/4)PTO Gear Nut A Drive100 ± 1074
(15/16)PTO Gear Nut B Drive134 ± 13100
8Rear Seal Mounting9 ± 17
13Rocker Support24 ± 318
(9/16)Rocker Lever Nut24 ± 318
10Starter Mounting43 ± 432
10Tach Drive Retainer3 ± 12
10Tappet Cover / Fuel Drain Line Supports24 ± 318
(7/16)Tee Bolt Type Clamp8 ± 16
10Thermostat Housing24 ± 318
T-25 TorxTiming Pin Flange Mounting5 ± 14
(13)Turbine Housing11 ± 28
10Turbo Compressor Housing Clamp6 ± 15
15Turbo Mounting Nut32 ± 324
13Turbo Oil Drain Tube24 ± 318
(5/8)Turbo Oil Supply (Both Ends)15 ± 211
(5/8)Water Hose Clamps4-54
13Water Inlet Connection43 ± 432
(3/8)Water Inlet Plugs24 ± 318
13Water Pump Mounting24 ± 318
15Valve Cover24 ± 318
 Valve Cover Oil FillHand Tighten
10WABCO Air Compressor Gear C/S24 ± 318
27WABCO Gear Hub Mounting Nut180 ± 18133