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.

1999 Chevrolet Cutaway 7.4 JFACTORY OEM SERVICE PROCEDURE

Component Locations

NOTE: For component locations, refer to illustrations. See Fig 1-Fig 3

COMPONENT LOCATIONS

Component	Location
Fuel Pump Balance Module	Inside Left Side Of Frame Rail Near Transmission Crossmember
Fuel Pump Balance Relay	On Fuel Pump Balance Module
G103	Right Front Of Engine, Near Thermostat Housing
G404	Inside Left Frame Rail, Near Rear Crossmember

Fig 1: Locating Fuel Balance Module

Courtesy of GENERAL MOTORS CORP.

Factory Service Tools

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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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