SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET1990CHEVY VAN G20, 5.0 H, 475/M40REPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEENGINE CONTROLS - SPECIFICATIONSQUICK-SERVICESERVICE INTERVALS & SPECIFICATIONS
1990 Chevrolet Chevy Van G20, 5.0 H, 475/M40

Service Intervals & Specifications

1990 Chevrolet Chevy Van G20, 5.0 H, 475/M40SECTION Service Intervals & Specifications
REPLACEMENT INTERVALS

Component Interval (Miles)
Oil & Filter (1) 7500
Air Filter 30,000
Coolant 30,000
Fuel Filter (2) 60,000
Spark Plugs 30,000
(1) Gasoline engines only. On diesel engines, replace every 5000 miles.
(2) Gasoline engines only. On diesel engines, replace every 30,000 miles.
BELT ADJUSTMENT

Application Tension
All Models (1)
(1) All models are equipped with serpentine belts. Belt tension is maintained by automatic tensioner and is not adjustable. Check for missing belt ribs and if belt is within tensioner's operating length or range. Replace as necessary.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.