Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCHEVROLET1999SUBURBAN C2500, 6.5 FREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESTRACTION CONTROLANTI-LOCK BRAKE SYSTEMTORQUE SPECIFICATIONS

1999 Chevrolet Suburban C2500, 6.5 F

Torque Specifications

1999 Chevrolet Suburban C2500, 6.5 FSECTION Torque Specifications

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.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.