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.
2024 GMC Sierra 3500 HD Denali UltimateFACTORY OEM SERVICE PROCEDURE
Battery, Starting System And Charging System - Repair Instructions
- Repair Instructions
- Battery Negative Cable Disconnection and Connection (- K4Z)
- Battery Negative Cable Disconnection and Connection (K4Z)
- Battery Monitor Module Replacement
- Battery Sensor Module Learn
- Battery Negative Cable Replacement (- K4Z)
- Battery Positive and Negative Cable Strap Replacement
- Battery Negative Cable Extension Cable Strap Replacement (L8T)
- Battery Negative Cable Extension Cable Strap Replacement (L5P)
- Auxiliary Battery Negative Cable Replacement
- Battery Positive Cable Replacement (L5P)
- Battery Positive Cable Replacement (L8T - K4Z)
- Battery Positive Cable Replacement (L8T & K4Z)
- Engine Wiring Harness Fuse Block Bracket Replacement
- Engine Wiring Harness Junction Block Replacement
- Generator Battery Jumper Cable Replacement (L8T)
- Generator Battery Jumper Cable Replacement (L5P)
- Starter Solenoid Cable Replacement (L5P)
- Starter Solenoid Cable Replacement (L8T)
- Multifunction Power Supply Converter Replacement
- Multifunction Power Supply Converter Bracket Replacement
- Auxiliary Generator Battery Jumper Cable Replacement (L5P)
- Auxiliary Generator Battery Jumper Cable Replacement (L8T)
- Battery Replacement
- Auxiliary Battery Replacement (K4Z)
- Battery Tray Replacement (L5P)
- Battery Tray Replacement (L8T)
- Battery Tray Front Brace Replacement
- Battery Auxiliary Tray Replacement (K4Z)
- Battery Auxiliary Tray Replacement (- K4Z)
- Starter Replacement (L5P)
- Starter Replacement (L8T)
- Starter Replacement (L5P & ULV)
- Starter Heat Shield Replacement (L8T)
- Starter Heat Shield Replacement (L5P & ULV)
- Starter Heat Shield Replacement (L5P)
- Generator Bracket Replacement (L5P & KHF)
- Generator Bracket Replacement (L5P - KHF)
- Generator and Power Steering Pump Bracket Replacement (L8T & KHF)
- Auxiliary Generator Bracket Replacement (L5P & KHF)
- Generator Replacement (L5P & KHF)
- Generator Replacement (L5P - KHF)
- Generator Replacement (L8T & KHF)
- Generator Replacement (L8T - KHF)
- Auxiliary Generator Replacement (L5P)
- Auxiliary Generator Replacement (L8T)
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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