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HOMESERVICE MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN PASSENGER EXTENDED, 5.0 MREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 939 (ENGINE CONTROLS - 6.6L - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSFUEL HEATER REPLACEMENT
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 M

Fuel Heater Replacement

2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 MSECTION Fuel Heater Replacement
WARNING: This page is about a different car, the 2001 GMC Sierra, 2001 GMC Cab & Chassis Sierra, 2001 Chevrolet Silverado, and 2001 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Exploded View Of Fuel Heater
GM2017130Courtesy of GENERAL MOTORS COMPANY
Fuel Heater Replacement

Callout Component Name
Preliminary Procedure 
Remove the fuel filter assembly from the vehicle. Refer to Fuel Filter Assembly Replacement .
1 Ground Wire Screw

Procedure

  1. Disconnect the electrical connector.
  2. Hand tighten the ground wire screw until snug.
2 Fuel Heater Screw
Procedure 
Hand tighten the fuel heater screw until snug.
3 Fuel Heater Spring and Seals
Procedure 
Take note of original spring and seal positions.
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.