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 MANUALSCHEVROLET2009TAHOE BASE, 4.8 CREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 45 (HYDRAULIC BRAKE SYSTEM)REPAIR INSTRUCTIONSPOWER BRAKE BOOSTER REPLACEMENTINSTALLATION PROCEDURE
2009 Chevrolet Tahoe Base, 4.8 C
Installation Procedure
2009 Chevrolet Tahoe Base, 4.8 CSECTION Installation Procedure
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Install the gasket.
- Install the booster assembly.
- Install the 4 booster to bulkhead nuts.
Tighten: Tighten the nuts to 33 N.m (24 lb ft).
- Install the stop lamp switch. Refer to Stop Lamp Switch Replacement (Adjustable Pedal) or Stop Lamp Switch Replacement (Non-Adjustable Pedal) in Lighting Systems.
- Install the master cylinder to the brake booster.
Tighten: Tighten the nuts to 33 N.m (24 lb ft).
- Connect the return hose, the steering gear, and the inlet hoses.
- Bleed the hydraulic booster system. Refer to Power Steering System Bleeding in Power Steering System.
- Release the park brake and unblock the wheels.
NOTE:
Refer to Fastener Notice
in Cautions and Notices.
RENDER: 1.0x
NO RELATED
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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.