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HOMESERVICE MANUALSCHEVROLET1987HI-CUBE 6.2 J, 475/M40REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 50 (SERVICING - M/T)LUBRICATIONSERVICE INTERVALS
1987 Chevrolet Hi-Cube 6.2 J, 475/M40

Service Intervals

1987 Chevrolet Hi-Cube 6.2 J, 475/M40SECTION Service Intervals
WARNING: This page does not describe the selected car, but rather 28 other vehicles, including the 1986 GMC Vandura Special, 1986 GMC Vandura, 1986 GMC Value Van, 1986 GMC Suburban, and 1986 GMC Safari. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: There are 2 Light Duty truck emission control standards classifications: Light Duty and Heavy Duty. Light Duty refers to vehicles up to 8500 lbs. (GVW); Heavy Duty refers to vehicles over 8500 lbs. (GVW).

On "S" models with 4-speed transmission, change transmission fluid after the first 7500 miles and at 30,000 mile intervals thereafter. On all other Light Duty vehicles, check transmission fluid every 12 months or 7500 miles. On Heavy Duty vehicles, check fluid level every 12 months or 6000 miles. Periodic draining and refilling is not required.

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:

  • • 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.