Section 6M · Pages 316–367 (52 pages)

Engine Fuel System

From the 1966 GMC Truck Series 4000-6500 Service Manual

Gasoline engine fuel system and the diesel fuel injection system. Covers accelerator and throttle linkage, air cleaners, fuel filters, fuel pump testing and replacement, the governor, carburetors, and for the Toro-Flow engine the fuel injection pump and nozzle service.

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What this section covers

  • Accelerator and throttle linkage
  • Air cleaners and fuel filters
  • Fuel pump testing and replacement
  • Governor
  • Carburetor service
  • Toro-Flow diesel fuel injection
Year
1966
Make
GMC
Vehicle
Medium Duty Trucks, Trucks
Type
Service Manual
Models
GMC Truck Series 4000 thru 6500, including L3500 (L, E, H, S, P series)
Publication
X-6733
Pages
507

What’s inside

Service manual

  1. 0Lubricationpp. 8–25
  2. 1Cabs and Body Mountingspp. 26–107
  3. 2Framepp. 108–117
  4. 3AFront End Alignmentpp. 118–121
  5. 3BFront Axlepp. 122–125
  6. 3CFront Springs and Shock Absorberspp. 126–131
  7. 3DFront Hubs and Bearingspp. 132–135
  8. 4ARear Axle and Controlspp. 136–155
  9. 4BRear Springs and Suspensionpp. 156–159
  10. 4CRear Hubs and Bearingspp. 160–165
  11. 4DPropeller Shaftspp. 166–171
  12. 5AHydraulic Brakespp. 172–211
  13. 5BAir Brakespp. 212–257
  14. 5CParking Brakespp. 258–261
  15. 6AGasoline Enginespp. 262–287
  16. 6BToro-Flow Diesel Enginespp. 288–303
  17. 6DEngine MountingsCushion-type engine mountings: a single front mount on V6 engines and dual front mounts on in-line engines, with illustrations, cushion replacement and a mounting torque chart.pp. 304–305
  18. 6KEngine Cooling Systempp. 306–315
  19. 6MEngine Fuel Systempp. 316–367
  20. 6TAir Compressors and Governorspp. 368–375
  21. 6YEngine Electricalpp. 376–411
  22. 7ATransmission Control Linkage and On-Vehicle Servicepp. 412–421
  23. 7DClutch Controlspp. 422–429
  24. 7EClutchespp. 430–435
  25. 8AFuel Tank, Lines and Gauge SystemFuel tank mounting and straps, periodic inspection of tank and lines, tank unit replacement and a fuel gauge system trouble diagnosis chart.pp. 436–437
  26. 8BExhaust SystemExhaust system inspection for leaks, exhaust restriction and excessive back pressure, with a carbon monoxide warning for gasoline and diesel models.pp. 438–439
  27. 9AMechanical Steeringpp. 440–452
  28. 9BPower Steeringpp. 453–471
  29. 10Wheels and Tirespp. 472–477
  30. 11Sheet Metalpp. 478–481
  31. 12Chassis Electrical and Instrumentspp. 482–497
  32. 13Radiator and Surge Tankpp. 498–502

Special tools

  1. Special Toolspp. 503–507

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