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.

2002 GMC C3500 HD 6.5 F, AutomaticFACTORY OEM SERVICE PROCEDURE

Power Steering System: Specifications

Fastener Tightening Specifications

Application	Specification
Application	Metric	English
Power Steering Cooler to the Radiator Support Bolts	5 N.m	44 lb in
Power Steering Gear to the Frame Bolts	135 N.m	100 lb ft
Power Steering Hose Fittings	28 N.m	20 lb ft
Power Steering Pump Bolts	50 N.m	37 lb ft

Fig 1: Power Steering Pump Specifications

Courtesy of GENERAL MOTORS CORP.

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Factory Service Tools

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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.