TORQUE SPECIFICATIONS
| Application | Ft. Lbs. (N.m) |
|---|
| Axle Nut (4WD) | 103 (140) |
| BPMV Bracket-To-Body Bolt | 21 (28) |
| Brake Caliper Mounting Bolt | 37 (50) |
| Brakeline-To-Combination Valve |
| Front & Rear | 22 (29) |
| Combination Valve-To-BPMV | 12 (16) |
| Front Wheel Speed Sensor |
| Mounting Bolt (1) |
| 2WD | 19 (26) |
| 4WD | 13 (18) |
| Mounting Nut |
| C3500 H.D. Only | 10 (13) |
| Mounting Bracket Nut |
| C3500 H.D. Only | 210 (285) |
| Splash Shield Bolt | 12 (16) |
| Tube Adapters-To-BPMV | 23 (31) |
| Wheel Bearing Nut (2WD) (2) | 12 (16) |
| Wheel Lug Nut |
| Astro & Safari | 140 (190) |
| Silhoutte, Trans Sport & Venture | 100 (136) |
| "C" & "K" Series |
| With Single & Dual Rear Wheels (Except C3500 HD) | 125 (170) |
| With Dual Rear Wheels - 10-Stud (C3500HD) | 162 (220) |
| Express, G-Van & Savanna |
| With Dual Rear Wheels | 175 (240) |
| With Single Rear Wheels | 140 (190) |
| "P" Series (Forward Control) |
| With 8-Lug Dual Rear Wheels | 140 (190) |
| With 10-Lug Dual Rear Wheels |
| Step 1 | 140 (190) |
| Step 2 | 175 (240) |
| With Single Rear Wheels | 120 (160) |
| "S" & "T" Series | 100 9136) |
| INCH Lbs. (N.m) |
| EBCM-To-BPMV | 39 (5) |
| Speed Sensor Harness Clip Bolt | 9 (12) |
| (1) Not all models have speed sensor mounting bolts. Some models have a speed sensor, which is mounted on splash shield. (2) See FRONT WHEEL SPEED SENSOR under REMOVAL & INSTALLATION for proper adjustment. |
| (1) | Not all models have speed sensor mounting bolts. Some models have a speed sensor, which is mounted on splash shield. |
| (2) | See FRONT WHEEL SPEED SENSOR under REMOVAL & INSTALLATION for proper adjustment. |
4WAL Brake System Wiring Diagram (1998 Astro & Safari). Scheme 1
Scheme 1: 4WAL Brake System Wiring Diagram (1998 Astro & Safari)
4WAL Brake System Wiring Diagram (1998 Blazer, Bravada, Envoy, Jimmy, Pickup & Sonoma). Scheme 2
Scheme 2: 4WAL Brake System Wiring Diagram (1998 Blazer, Bravada, Envoy, Jimmy, Pickup & Sonoma)
4WAL Brake System Wiring Diagram (1998 "C" & "K" Pickup, Sierra, Suburban, Tahoe & Yukon - Diesel). Scheme 3
Scheme 3: 4WAL Brake System Wiring Diagram (1998 "C" & "K" Pickup, Sierra, Suburban, Tahoe & Yukon - Diesel)
4WAL Brake System Wiring Diagram (1998 "C" & "K" Pickup, Sierra, Suburban, Tahoe & Yukon - Gasoline). Scheme 4
Scheme 4: 4WAL Brake System Wiring Diagram (1998 "C" & "K" Pickup, Sierra, Suburban, Tahoe & Yukon - Gasoline)
4WAL Brake System Wiring Diagram (1998 G-Van, Express & Savana - Diesel). Scheme 5
Scheme 5: 4WAL Brake System Wiring Diagram (1998 G-Van, Express & Savana - Diesel)
4WAL Brake System Wiring Diagram (1998 G-Van, Express & Savana - Gasoline). Scheme 6
Scheme 6: 4WAL Brake System Wiring Diagram (1998 G-Van, Express & Savana - Gasoline)
4WAL Brake System Wiring Diagram (1998 "P" Series - Commercial). Scheme 7
Scheme 7: 4WAL Brake System Wiring Diagram (1998 "P" Series - Commercial)
4WAL Brake System Wiring Diagram (1998 "P" Series - Motorhome). Scheme 8
Scheme 8: 4WAL Brake System Wiring Diagram (1998 "P" Series - Motorhome)
4WAL Brake System Wiring Diagram (1999 Astro & Safari). Scheme 9
Scheme 9: 4WAL Brake System Wiring Diagram (1999 Astro & Safari)
4WAL Brake System Wiring Diagram (1999 Blazer, Bravada, Envoy, Jimmy, Pickup & Sonoma). Scheme 10
Scheme 10: 4WAL Brake System Wiring Diagram (1999 Blazer, Bravada, Envoy, Jimmy, Pickup & Sonoma)
4WAL Brake System Wiring Diagram (1999 "C" & "K" Escalade, Pickup, Suburban, Tahoe & Yukon - Diesel). Scheme 11
Scheme 11: 4WAL Brake System Wiring Diagram (1999 "C" & "K" Escalade, Pickup, Suburban, Tahoe & Yukon - Diesel)
4WAL Brake System Wiring Diagram (1999 "C" & "K" Escalade, Pickup, Suburban, Tahoe & Yukon - Gasoline). Scheme 12
Scheme 12: 4WAL Brake System Wiring Diagram (1999 "C" & "K" Escalade, Pickup, Suburban, Tahoe & Yukon - Gasoline)
4WAL Brake System Wiring Diagram (1999 Express & Savana - Diesel). Scheme 13
Scheme 13: 4WAL Brake System Wiring Diagram (1999 Express & Savana - Diesel)
4WAL Brake System Wiring Diagram (1999 Express & Savana - Gasoline). Scheme 14
Scheme 14: 4WAL Brake System Wiring Diagram (1999 Express & Savana - Gasoline)
4WAL Brake System Wiring Diagram (1999 "P" Series - Commercial). Scheme 15
Scheme 15: 4WAL Brake System Wiring Diagram (1999 "P" Series - Commercial)
4WAL Brake System Wiring Diagram (1999 "P" Series - Motorhome). Scheme 16
Scheme 16: 4WAL Brake System Wiring Diagram (1999 "P" Series - Motorhome)
