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 276 (ENGINE CONTROL SYSTEM & FUEL SYSTEM - HYBRID (LZ1) - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSFUEL PUMP FLOW CONTROL MODULE REPLACEMENTINSTALLATION PROCEDURE

2009 Chevrolet Tahoe Base, 4.8 C

Installation Procedure

2009 Chevrolet Tahoe Base, 4.8 CSECTION Installation Procedure

WARNING: This page is about a different car, the 2010 GMC Yukon, 2010 Chevrolet Tahoe, and 2010 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Fuel Pump Flow Control Module & Bolts

Courtesy of GENERAL MOTORS CORP.

Position the fuel pump flow control module (2) to the vehicle.
Slide the fuel pump flow control module towards the driver side of the vehicle.

CAUTION: Refer to Fastener Caution .

Tighten the fuel pump flow control module bolts (1).
Tighten: Tighten the bolts to 9 N.m (80 lb in).

Fig 2: Chassis Wiring Harness Electrical Connector

Courtesy of GENERAL MOTORS CORP.

Connect the chassis wiring harness electrical connector (1) to the fuel pump flow control module.

Fig 3: View Of ECBM Shield, Retainers & Bolts

Courtesy of GENERAL MOTORS CORP.

Position the EBCM shield (1) to the underbody and install the EBCM shield bolts (3).
Tighten: Tighten the bolts to 20 N.m (15 lb ft).
Install the EBCM shield retainers (2).
Lower the vehicle.
Program the fuel pump flow control module. Refer to Control Module References .

RENDER: 1.0x

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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.