Service Intervals & Specifications

2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 FSECTION Service Intervals & Specifications
WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
REPLACEMENT INTERVALS

Component Interval (Miles)
Accessory Drive Belt (1) 60,000
Air Filter (2) 30,000
Automatic Transmission Fluid & Filter (3) 100,000
Differential Fluid (4)
Engine Coolant (5)
Fuel Filter (6)
Oil & Oil Filter (7)
Spark Plugs 100,000
(1) Inspect and replace as necessary.
(2) If used under severe conditions, replace every 15,000 miles.
(3) If used under severe conditions, replace every 50,000 miles.
(4) If used under severe conditions, replace every 7500 miles. If used under normal conditions, periodic replacement is not required.
(5) Replace every 150,000 miles or 60 months, whichever comes first.
(6) No scheduled replacement interval is given by manufacturer. Check and replace as necessary.
(7) If used under severe conditions, replace every 3000 miles. If used under normal conditions, replace as indicated by CHANGE OIL SOON light or every 12 months, whichever comes first.
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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.