Service Intervals & Specifications

2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 FSECTION Service Intervals & Specifications
REPLACEMENT INTERVALS

Component Interval (Miles)
"A" & "B" Series
Accessory Drive Belt (1) 60,000
Air Filter (Engine) 30,000
Air Filter (Passenger Compartment) 15,000
Fuel Filter (2)
Oil & Filter 3000
Spark Plug 100,000
"C", "K", "L", "M", "S" & "T" Series
Accessory Drive Belt (1) 60,000
Air Filter 30,000
Engine Coolant 150,000
Fuel Filter 30,000
Oil & Filter (3) 3000
Spark Plugs 100,000
"E" & "J" Series
Accessory Drive Belt (1) 30,000
Air Filter 30,000
Engine Coolant 30,000
Fuel Filter 30,000
Oil & Filter 3000
Spark Plug 60,000
Spark Plug Wires 60,000
"G" Series
Accessory Drive Belt (1) 60,000
Air Filter 30,000
Engine Coolant 150,000
Fuel Filter 30,000
Oil & Filter (3) 3000
Spark Plugs 100,000
"U" Series
Accessory Drive Belt (1) 60,000
Air Filter 30,000
Engine Coolant 150,000
Fuel Filter (2)
Oil & Filter 7500
Spark Plugs 100,000
(1) Inspect and replace as necessary.
(2) No scheduled replacement interval is given by manufacturer. Check and replace as necessary.
(3) On diesel engines, change every 2500 miles.
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:

  • 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.