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 MANUALSCHEVROLET2002CHEVY EXPRESS G3500, VAN PASSENGER EXTENDED, 8.1 GREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 7 (ENGINE CONTROLS - REMOVAL, OVERHAUL & INSTALLATION - 6.5L DIESEL)
2002 Chevrolet Chevy Express G3500, Van Passenger Extended, 8.1 G
Section 7 (Engine Controls - Removal, Overhaul & Installation - 6.5L Diesel)
2002 Chevrolet Chevy Express G3500, Van Passenger Extended, 8.1 GSECTION Section 7 (Engine Controls - Removal, Overhaul & Installation - 6.5L Diesel)
WARNING: This page is about a different variant/trim than selected.
- Model Identification
- Introduction
- Precautions
- Engine Cover
- Air Induction Systems
- Computerized Engine Controls
- Engine Sensors & Switches
- Cooling Systems
- Fuel Systems
- Crankshaft Position Sensor
- Engine Shutdown Solenoid
- Fuel Feed & Fuel Return Pipe Purge
- Fuel Filter
- Fuel Filter/Heater Element Housing
- Fuel Heater Element
- Fuel Injection Lines
- Fuel Sender Assembly
- Fuel Solenoid Driver
- Injection Pump Timing
- Fuel System Cleaning
- Fuel Tank
- Fuel Tank Inspection
- Fuel Tank Draining Procedure
- Glow Plug
- Glow Plug Relay
- Injection Pump
- Injector Nozzles
- Quick Connect Fittings
- Water-In-Fuel Draining Procedure
- Emissions Systems & Sub-Systems
- Torque Specifications
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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.