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Differential Setup
Bearing Preload, Backlash and Torque Specifications

AMC

 Differential Model

 Pinion Bearing Preload

NEW – (Inch/Lbs)

 Pinion Bearing Preload

Used – (Inch Lbs)

 Backlash

(.001 Inch)

 Ring Gear Bolt Torque

Foot/Lbs

 Bearing Cap Torque

Foot/Lbs

 Model 20  14-19  6-8  6-10  65  65
 Model 35  12-15  6-7  6-10  55  55

 

Chrysler

 Differential Model

 Pinion Bearing Preload

NEW – (Inch/Lbs)

 Pinion Bearing Preload

Used – (Inch Lbs)

 Backlash

(.001 Inch)

 Ring Gear Bolt Torque

Foot/Lbs

 Bearing Cap Torque

Foot/Lbs

 7.25″  12-14  6-7  6-10  55  50
 8″ IFS  12-15  6-8  6-10  55  60
 8.25″  12-15  6-8  6-10  55  60
 8.75″ – 41 Case  13-15  6-8  6-10  55  90
 8.75″ – 42 Case  15-25  7-10  6-10  55  90
 8.75″ – 89 Case  14-19  6-9  6-10  55  90
 9.25″  14-19  6-9  6-10  65  75
 9.25″ ZF Rear  17-22  7-10  5-9  65  75
 9.25″ Front  15-35  10-20  5-7  103  63
 AAM 10.5″  15-35 10-20 5-7  175  120
 AAM 11.5″  25-45 10-20 5-7  175  175

 

Dana Spicer

 Differential Model

 Pinion Bearing Preload

NEW – (Inch/Lbs)

 Pinion Bearing Preload

Used – (Inch Lbs)

 Backlash

(.001 Inch)

 Ring Gear Bolt Torque

Foot/Lbs

 Bearing Cap Torque

Foot/Lbs

 Dana 25 12-15 6-7 6-10 55 50
 Dana 27 12-15 6-7 6-10 55 50
 Dana 28 10-13 5-6 6-10 55 50
 Dana 30 12-15 6-8 6-10 55 60
 Dana 30 JK  12-15 6-8 6-10 80 60
 Dana 30 JL  15-20 8-12 6-10 70 70
 Dana 35 JL Rear 15-20 8-12 6-10 135 50
 Dana 44 14-19 6-9 6-10 55 60
 Dana 44 WK – XK 14-19 6-9 6-10 55 60
 Dana 44 JK Front 20-30 12-15 6-10 135 80
 Dana 44 JK Rear 22-35 12-15 6-10 135 80
 Dana 44 HD – Aluminum 15-20 8-12 6-10 125 80
 Dana 44 JL Front 15-20 8-12 6-10 135 70
 Dana 44 JL Rear 14-19 6-9 6-10 135 70
 Dana 50 14-19  6-9 6-10 65 60
 Dana 60, 61, 70U 17-30 8-10 6-10 110 80
 Dana 70 & 70 HD 20-35 8-10 6-10 110 80
 Dana 80 25-40 9-11 4-10 175 80
 Dana S110, S111 & S130 20-40 8-12 9-16 150 140
 Dana S135 10-40 8-12 9-12 120 125

 

Ford

 Differential Model

 Pinion Bearing Preload

NEW – (Inch/Lbs)

 Pinion Bearing Preload

Used – (Inch Lbs)

 Backlash

(.001 Inch)

 Ring Gear Bolt Torque

Foot/Lbs

 Bearing Cap Torque

Foot/Lbs

 7.5″ 14-19 6-8 11-16* 60 60
 8″ 12-14 6-7 10-15* 60 60
 8.7″ 14-19 6-8 10-15 60 60
 8.8″ 14-19 6-8 11-16* 60 60
 9″ OEM Ring & Pinion 13-15 6-7 10-16 70 60
 9″ Non-OEM 13-15 6-7 6-12 70 60
 9″ Daytona 14-16 6-8 6-12 70 60
 9 3/8″ 14-16 6-8 10-15 70 60
 9.75″ 15-19 6-8 10-15 75 80
 10.25″ & 10.5″ 20-35 6-8 11-16 95 80
 M275 20-30 8-12 6-10
 M300 20-30 8-12 6-10

 

General Motors

 Differential Model

 Pinion Bearing Preload

NEW – (Inch/Lbs)

 Pinion Bearing Preload

Used – (Inch Lbs)

 Backlash

(.001 Inch)

 Ring Gear Bolt Torque

Foot/Lbs

 Bearing Cap Torque

Foot/Lbs

 Olds / Pontiac Dropout 14-19 6-7 6-10 55 60
 63-79 Corvette 14-19 6-8 6-10 55 60
 55 Passenger / 55 Truck 14-18 6-8 6-10 55 60
 7.25″ 11-14 6-7 6-10 55 60
 7.5″ & 7.6″ (7.625) 12-15 6-7 6-10 65 60
 7.6″ (7.625) 2-Cut OEM 12-15 6-7 3-6 65 60
 7.75″ 12-15 6-7 6-10 65 60
 8″ 2-Cut OEM 12-15 6-7 3-6 65 60
 8.2″ Including B.O.P. 12-15 6-7 6-10 55 60
8.25″ IFS 14-19 6-8 6-10 65 55
 8.5″ & 8.6″ (8.625) 14-19 6-8 6-10 65 60
8.6″ (8.625) 2-Cut OEM 14-19 6-8 3-6 65 60
8.875″ 12-Bolt Car 14-19 6-8 6-10 55 60
8.875″ 12-Bolt Truck 13-15 6-7 6-10 55 60
 9.25″ IFS 15-22 7-9 6-10 75 80
 9.5″ 15-22 7-9 6-10 103 63
 10.5″ 20-35 8-11 6-10 120 136
 11.5″ 25-45 10-20 3-10 175 153
 HO72 Preset 6-10 120 175

 

Toyota

 Differential Model

 Pinion Bearing Preload

NEW – (Inch/Lbs)

 Pinion Bearing Preload

Used – (Inch Lbs)

 Backlash

(.001 Inch)

 Ring Gear Bolt Torque

Foot/Lbs

 Bearing Cap Torque

Foot/Lbs

 Passenger 11-13 5-6 6-9 55 60
 7.5″ Front / Rear 12-15 5-6 6-10 70 70
 8″ Front / Rear – 4 Cyl. & V6 12-15 5-6 6-10 70 70
 8″ Reverse Front Clamshell 9-14 5-6 4-8 70 70
 8.2″ Rear 14-17 5-6 6-10 70 70
 8.4″ Rear 14-17 5-6 6-10 70 70
 8.75″ Rev. Front Clamshell 20-30 8-12 6-10 100 75
 9.5″ Land Cruiser 8-11 5-6 6-8 85 80
 9.5″ Late Model 9-15 7-12 4-8 100 75
 10.5″ 16-28 15-19 4-8 145 150

 

Suzuki

 Differential Model

 Pinion Bearing Preload

NEW – (Inch/Lbs)

 Pinion Bearing Preload

Used – (Inch Lbs)

 Backlash

(.001 Inch)

 Ring Gear Bolt Torque

Foot/Lbs

 Bearing Cap Torque

Foot/Lbs

 Samurai 12-15 5-6 6-10 70 70

 

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