Section 6B · Pages 657–701 (45 pages)

Engine Cooling

From the 1986 GMC Light Duty Truck Service Manual (C/K, P, G)

Cooling system diagnosis: system checks, overheating and noise, fan clutch, thermostat and coolant level indicator diagnosis and uncommon cooling problems, then water pump, radiator and thermostat service.

Read this section free, starting at page 657

What this section covers

  • System checks
  • Fan clutch diagnosis
  • Thermostat diagnosis
  • Coolant level indicator
  • Water pump and radiator
  • Thermostat replacement
Year
1986
Make
GMC
Vehicle
C/K Trucks, G Vans, Light Duty Trucks, P Forward Control, Trucks
Type
Service Manual
Models
C/K, P, G
Publication
X-8632
Pages
1,584

What’s inside

Service manual

  1. Foreword and ContentsTitle page, foreword naming the companion unit repair manual and wiring diagram booklet, the metric fastener caution and the section index.pp. 1–5
  2. 0AGeneral Informationpp. 6–21
  3. 0BMaintenance and Lubricationpp. 22–39
  4. 1AHeatingpp. 40–63
  5. 1BAir Conditioningpp. 64–132
  6. 2AFramepp. 133–139
  7. 2BBumperspp. 140–156
  8. 2CSheet Metalpp. 157–177
  9. 3AFront End Alignmentpp. 178–184
  10. 3B1Steering Linkagepp. 185–199
  11. 3B2Manual Steering Gearpp. 200–206
  12. 3B3Power Steeringpp. 207–239
  13. 3B4Steering Columnpp. 240–286
  14. 3CFront Suspensionpp. 287–345
  15. 3DRear Suspensionpp. 346–357
  16. 3EWheels and Tirespp. 358–373
  17. 4APropeller Shaftpp. 374–385
  18. 4BRear Axlepp. 386–410
  19. 4CFront Axlepp. 411–420
  20. 5Brakespp. 421–471
  21. 6AEngine General Informationpp. 472–482
  22. 6A34.3 Liter V6pp. 483–514
  23. 6A44.8 Liter L6pp. 515–547
  24. 6A5Small Block V8pp. 548–583
  25. 6A67.4 Liter V8pp. 584–616
  26. 6A76.2L Dieselpp. 617–656
  27. 6BEngine Coolingpp. 657–701
  28. 6CFuel Systempp. 702–720
  29. 6C1Carburetorspp. 721–770
  30. 6C2Diesel Fuel Injectionpp. 771–790
  31. 6DEngine Electricalpp. 791–859
  32. 6EDriveability and Emissions: General Informationpp. 860–878
  33. 6E8Driveability and Emissions: Carburetedpp. 879–1066
  34. 6E9Driveability and Emissions: Dieselpp. 1067–1076
  35. 6FExhaustpp. 1077–1088
  36. 6HVacuum Pumpspp. 1089–1096
  37. 7AAutomatic Transmissionspp. 1097–1194
  38. 7BManual Transmissionpp. 1195–1216
  39. 7CClutchpp. 1217–1234
  40. 7D1205 Transfer Casepp. 1235–1240
  41. 7D2208 Transfer Casepp. 1241–1249
  42. 8ACab Electricalpp. 1250–1301
  43. 8BChassis Electricalpp. 1302–1333
  44. 8CInstrument Panel and Gagespp. 1334–1350
  45. 9ARadiopp. 1351–1377
  46. 9BCruise Controlpp. 1378–1391
  47. 10A1Doorspp. 1392–1471
  48. 10A2Seatspp. 1472–1507
  49. 10A3Glasspp. 1508–1521
  50. 10A4Interior Trimpp. 1522–1549
  51. 10A5End Gatepp. 1550–1584

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