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.
2003 Hummer H2 V8-6.0LFACTORY OEM SERVICE PROCEDURE
Compressor Mounting Bracket Replacement
COMPRESSOR MOUNTING BRACKET REPLACEMENT
REMOVAL PROCEDURE

1. Remove the A/C compressor.
2. Remove the A/C belt tensioner bolts.
3. Remove the A/C belt tensioner.
4. Remove the A/C compressor bracket mounting bolts.
5. Remove the A/C compressor bracket.
INSTALLATION PROCEDURE

1. Install the A/C compressor bracket.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the A/C compressor bracket mounting bolts.
Tighten
Tighten the bolts to 50 N.m (37 lb ft).
3. Install the A/C belt tensioner.
4. Install the A/C belt tensioner bolts.
Tighten
Tighten the bolts to 50 N.m (37 lb ft).
5. Install the A/C compressor.
REMOVAL PROCEDURE
1. Remove the A/C compressor.
2. Remove the A/C belt tensioner bolts.
3. Remove the A/C belt tensioner.
4. Remove the A/C compressor bracket mounting bolts.
5. Remove the A/C compressor bracket.
INSTALLATION PROCEDURE
1. Install the A/C compressor bracket.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the A/C compressor bracket mounting bolts.
Tighten
Tighten the bolts to 50 N.m (37 lb ft).
3. Install the A/C belt tensioner.
4. Install the A/C belt tensioner bolts.
Tighten
Tighten the bolts to 50 N.m (37 lb ft).
5. Install the A/C compressor.
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
