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.
2007 Hummer H3 L5-3.7LFACTORY OEM SERVICE PROCEDURE
Maintenance: Technical Service Bulletins
- Customer Interest
- Engine - Over Oiled Aftermarket Air Filter Concerns
- Wheels - Pitting/Brake Dust On Chrome Wheel
- Wheels - Chrome Spare Wheel Corrosion
- Electrical - Battery Runs Down/No Crank/No Start
- Engine - Various Drive Belt Symptoms
- Wheels - Chrome Wheel Staining/Pitting/Corrosion
- Tires/Wheels - Low Tire Pressure/Leaking Wheels
- Wheels/Tires - Tire Slowly Goes Flat/Warning Light On
- Tires/Wheels - Tire Radial Force Variation (RFV)
- Wheels/Tires - Tire Pressure Monitor Light ON
- By Symptom
- Abnormal wear/deterioration
- Customer Interest
- Engine - Over Oiled Aftermarket Air Filter Concerns
- Wheels - Pitting/Brake Dust On Chrome Wheel
- Wheels - Chrome Spare Wheel Corrosion
- Electrical - Battery Runs Down/No Crank/No Start
- Engine - Various Drive Belt Symptoms
- Wheels - Chrome Wheel Staining/Pitting/Corrosion
- Tires/Wheels - Low Tire Pressure/Leaking Wheels
- Wheels/Tires - Tire Slowly Goes Flat/Warning Light On
- Tires/Wheels - Tire Radial Force Variation (RFV)
- Wheels/Tires - Tire Pressure Monitor Light ON
- Driveability
- Leaks
- Low, Dead battery
- Noise
- Starting problems
- All Technical Service Bulletins
- Wheels/Tires - Wheel Weight Usage and Precautions
- Cooling System - Recycled Coolant Information
- Engine Controls - Normal MIL Operation Information
- A/C - Contaminated R134a Refrigerant Information
- Engine - Over Oiled Aftermarket Air Filter Concerns
- Accessory Package - Cargo Capacity Reduction Label
- Electrical - Aftermarket Fuse Warning
- Cooling System - Updated Leak Detection Dye
- A/C - Refrigerant Recovery/Recharge Equipment Info
- Wheels - Pitting/Brake Dust On Chrome Wheel
- Wheels - Chrome Spare Wheel Corrosion
- Engine/Fuel System - Additive Information
- Alignment - Specification/Requirement/Recommendation
- Tires - Minimizing Damage to TPM Sensors
- Tire Monitor System - Pressure Sensor Information
- A/T - Water/Coolant Contamination Information
- Engine - Oil Consumption Guideline Information
- Tires - Slight Or Mild Feathering Information
- Electrical - Battery Runs Down/No Crank/No Start
- Wheels/Tires - Tire Wheel Placard Requirements
- Wheels/Tires - Oversize Wheel/Tire Characterisitcs
- Wheels/Tires - OE Wheel/Tire Characteristics
- Tires/Wheels - Vibration Diagnostic Information
- Wheels/Tires - Chrome/Steel Valve Stem Cap Precautions
- Engine - Noise/Damage After Oil Filter Replacement
- Engine - Various Drive Belt Symptoms
- Wheels/Tires - 18 Inch/20 Inch GM Accessory Wheels
- Wheels/Tires - Mounting/Balancing ACC Wheel and Tires
- Tires/Wheels - Refinishing Aluminum Wheels
- Tires/Wheels - Replacement Wheel Weight Information
- Wheels - Chrome Wheel Staining/Pitting/Corrosion
- Wheels/Tires - 18 Inch/20 Inch Accessory Wheels Avail.
- Tires/Wheels - Low Tire Pressure/Leaking Wheels
- Wheels/Tires - Tire Slowly Goes Flat/Warning Light On
- Tires/Wheels - Tire Radial Force Variation (RFV)
- Tires/Wheels - Tire Puncture Repair Procedures
- Tires/Wheels - Use of Nitrogen Gas in Tires
- Wheels/Tires - Proper Wheel Changing Procedures/Cautions
- Tires/Wheels - Tire Pressure Sensors Service/Re-Learning
- A/T - Release of DEXRON(R)-VI A/T Fluid
- Wheels/Tires - Tire Pressure Monitor Light ON
- Tires/Wheels - THIS BULLETIN HAS BEEN CANCELED
- A/T - Fluid Oil Cooler Flow Test
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.