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HOMESERVICE MANUALSGMC1986VALUE VAN P2500, 5.7 M, AUTOMATIC, 475/M40REPAIR AND DIAGNOSIS (SINGLE PAGE)TRANSMISSIONAUTOMATIC TRANSREMOVAL & INSTALLATION - A/TTRANSFER CASENP-208 (10 & 20 SERIES)REMOVALNOTES
1986 GMC Value Van P2500, 5.7 M, Automatic, 475/M40

NP-208 (10 & 20 Series): Removal: Notes

1986 GMC Value Van P2500, 5.7 M, Automatic, 475/M40SECTION Notes
  1. Place transfer case in "4H". Raise vehicle. Drain lubricant from transfer case. Remove cotter pin from shift lever swivel. Mark transfer case front and rear output shaft yokes and drive shafts for assembly alignment reference.
  2. Disconnect speedometer cable and indicator switch wires. Disconnect front drive shaft at transfer case yoke. Disconnect parking brake cable guide from pivot located on right frame rail, if necessary. Remove engine strut rod from transfer case.
  3. Place support under transfer case and remove transfer case-to-transmission adapter bolts. Move transfer case assembly rearward until free of transmission output shaft and remove assembly. Remove all gasket material from rear of transmission adapter housing.
RENDER: 1.0x

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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.