Contents Wiring diagrams Section: Mechanical - Hydraulic All sections

Disc & Drum Brake System: Specifications Chevrolet Pickup C2500

TORQUE SPECIFICATIONS

ApplicationFt. Lbs. (N.m)
Axle Shaft-To-Hub Bolt
10 1/2" Ring Gear115 (156)
11" Ring Gear15 (20)
Backing Plate Bolts103 (140)
Brake Cylinder Bolts15 (20)
Brake Line Fittings (Except To EBCM)22 (30)
Brake Line Fittings (To EBCM)15 (20)
Brake Hoses15 (20)
Banjo Bolts-To-Front Caliper37 (50)
Caliper Guide Pin (Floating Caliper)37 (50)
Caliper Support Key Bolt (Sliding Caliper)15 (20)
Combination Valve Allen Bolts12 (16)
Differential Cover Bolt
10 1/2" Ring Gear30 (41)
11" Ring Gear35 (47)
Except 10 1/2" & 11" Ring Gear20 (27)
Front Brake Hose-To-Caliper Bolt32 (43)
Pinion Shaft Lock Bolt (1) (2)
Standard Differential25 (34)
Locking Differential
7 5/8", 8 1/2" & 8 5/8 Ring Gear27 (37)
9 1/2" Ring Gear37 (50)
Power Booster Nuts27 (37)
Rear Wheel Bearing Lock Nut
(11" Ring Gear)65 (88)
Wheel Lug Nut
With Dual Rear Wheels
Light Duty140 (190)
Heavy Duty175 (237)
With Single Rear Wheels120 (163)
(1) Use NEW pinion shaft lock bolt. DO NOT reuse bolt. (2) Apply Loctite No. 242 to bolt threads.
(1)Use NEW pinion shaft lock bolt. DO NOT reuse bolt.
(2)Apply Loctite No. 242 to bolt threads.

TORQUE SPECIFICATIONS (EXCEPT REAR DISC CALIPERS)

ApplicationFt. Lbs. (N.m)
Anchor Plate Mounting Bolt177 (240)
Brake Hose To Caliper Bolt33 (45)
Caliper Support Key Bolt15 (20)
INCH Lbs. (N.m)
Bleeder Valve62 (7)

TORQUE SPECIFICATIONS (REAR DISC CALIPERS)

DISC BRAKE SPECIFICATIONS

ApplicationIn. (mm)
Lateral Runout.004 (.10)
Parallelism.0005 (.013)
Original Thickness
11.57" Rotor1.25 (31.8)
11.86" Rotor1.29 (32.8)
12.50" Rotor1.26 (32.0)
13.75" Rotor1.54 (39.1)
14.25" Rotor1.54 (39.1)
Minimum Refinish Thickness (1)
11.57 X 1.25" Rotor1.230 (31.24)
11.86 X 1.29" Rotor1.230 (31.24)
12.50 X 1.26" Rotor1.230 (31.24)
12.50 X 1.28" Rotor1.230 (31.24)
12.50 X 1.54" Rotor1.480 (37.59)
13.75 X 1.54" Rotor1.480 (37.59)
14.25 X 1.54" Rotor1.480 (37.59)
Discard Thickness
11.57 X 1.00" Rotor.965 (24.51)
11.57 X 1.25" Rotor1.215 (30.86)
11.86 X 1.29" Rotor1.215 (30.86)
12.50 X 1.26" Rotor1.215 (30.86)
12.50 X 1.28" Rotor1.215 (30.86)
12.50 X 1.54" Rotor1.465 (37.21)
13.75 X 1.54" Rotor1.465 (37.21)
14.25 X 1.54" Rotor1.465 (37.21)
(1) Use specification stamped on rotor (if available).
(1)Use specification stamped on rotor (if available).

DISC BRAKE SPECIFICATIONS

DRUM BRAKE SPECIFICATIONS

ApplicationIn. (mm)
Original Diameter10.00 (254.0)
Original Diameter11.15 (283.2)
Original Diameter13.00 (330.2)
Discard Diameter
10.00" Drum10.09 (256.3)
11.15" Drum11.24 (285.5)
13.00" Drum13.09 (332.5)
Maximum Refinish Diameter
10.00" Drum10.05 (255.3)
11.15" Drum11.21 (284.7)
13.00" Drum13.06 (331.7)
Width
10.00" Drum2.25 (57.0)
11.15" Drum2.75 (69.9)
13.00" Drum2.50 (63.5) Or 3.50 (88.9)

DRUM BRAKE SPECIFICATIONS