Section 6A5 · Pages 659–690 (32 pages)

Mark IV V8 (7.4L)

From the 1984 GMC Light Duty Truck Service Manual

The 7.4 liter V8, VIN code W (LE8): crankcase front cover, engine mounts, intake manifold, push rods and valve train, oil pan, crankshaft and pistons.

Read this section free, starting at page 659

What this section covers

  • Crankcase front cover
  • Engine mounts
  • Intake manifold
  • Valve train
  • Oil pan
  • Crankshaft and pistons
Year
1984
Make
GMC
Vehicle
C/K Trucks, G Vans, Light Duty Trucks, P Forward Control, Trucks
Type
Service Manual
Models
Series 1500–3500
Publication
X-8432
Pages
1,746

What’s inside

Service manual

  1. 0AGeneral Informationpp. 5–37
  2. 0BMaintenance and Lubricationpp. 38–66
  3. 1AHeating and Ventilationpp. 67–86
  4. 1BAir Conditioningpp. 87–136
  5. 1DA-6 Air Conditioning Compressor Overhaulpp. 137–162
  6. 1D1R-4 Air Conditioning Compressor Overhaulpp. 163–186
  7. 2AFramepp. 187–190
  8. 2BBumperspp. 191–194
  9. 2CSheet Metalpp. 195–206
  10. 3Steering, Suspension, Wheels and Tires Diagnosispp. 207–236
  11. 3AFront Alignmentpp. 237–242
  12. 3B5Steering Columnspp. 243–280
  13. 3B6Steering Linkagepp. 281–288
  14. 3B7Power Steeringpp. 289–306
  15. 3B8Manual Steering Gearpp. 307–316
  16. 3CFront Suspensionpp. 317–366
  17. 3DRear Suspensionpp. 367–376
  18. 3EWheels and Tirespp. 377–388
  19. 4APropeller Shaftpp. 389–402
  20. 4BRear Axlepp. 403–416
  21. 4B1Chevrolet 8-1/2 and 9-1/2 Inch Ring Gear Axlepp. 417–432
  22. 4B2Chevrolet 10-1/2 Inch Ring Gear Axlepp. 433–442
  23. 4B3Dana 10-1/2 Inch Ring Gear Axlepp. 443–448
  24. 4B4Dana 9-3/4 Inch Ring Gear Axlepp. 449–454
  25. 4B5Rockwell 12 Inch Ring Gear Axlepp. 455–470
  26. 4B6Limited Slip Differential Unitspp. 471–490
  27. 4B10Rear Axle Specifications and Special Toolspp. 491–494
  28. 4CFront Axlepp. 495–508
  29. 5Brakespp. 509–576
  30. 6Engine Diagnosispp. 577–588
  31. 6A1In-Line 6 (4.1L and 4.8L)pp. 589–622
  32. 6A2Small Block V8 (5.0L and 5.7L)pp. 623–658
  33. 6A5Mark IV V8 (7.4L)pp. 659–690
  34. 6A76.2L Diesel Enginepp. 691–722
  35. 6BEngine Coolingpp. 723–744
  36. 6CEngine Fuel: Gasolinepp. 745–772
  37. 6C1E4ME and E4MC Carburetorpp. 773–808
  38. 6C3E2SE Carburetorpp. 809–840
  39. 6C66.2L Diesel Fuel Injectionpp. 841–856
  40. 6C71ME Carburetorpp. 857–870
  41. 6C92SE Carburetorpp. 871–898
  42. 6C10M4ME and M4MC Carburetorpp. 899–928
  43. 6DEngine Electricalpp. 929–1018
  44. 6E8Driveability and Emissions: Carburetedpp. 1019–1184
  45. 6E9Driveability and Emissions: 6.2L Dieselpp. 1185–1228
  46. 6FEngine ExhaustExhaust system and catalytic converter service, including converter bottom cover replacement and diagnosis.pp. 1229–1232
  47. 6HVacuum Pumpspp. 1233–1236
  48. 7AAutomatic Transmissionpp. 1237–1258
  49. 7ATurbo Hydra-Matic 350C Unit Repairpp. 1259–1314
  50. 7ATurbo Hydra-Matic 400 Unit Repairpp. 1315–1378
  51. 7ATurbo Hydra-Matic 700-R4 Unit Repairpp. 1379–1468
  52. 7BManual Transmissionpp. 1469–1476
  53. 7B3-Speed 76mm Transmission Unit Repairpp. 1477–1486
  54. 7B4-Speed 89mm Transmission Unit Repairpp. 1487–1500
  55. 7B4-Speed 117mm Transmission Unit Repairpp. 1501–1516
  56. 7CClutchpp. 1517–1534
  57. 7DNew Process 205 Transfer Casepp. 1535–1548
  58. 7DNew Process 208 Transfer Casepp. 1549–1566
  59. 8BChassis Electricalpp. 1567–1592
  60. 8CInstrument Panel and Gagespp. 1593–1640
  61. 9Accessoriespp. 1641–1673
  62. 10Cab and Bodypp. 1674–1739

Wiring diagrams

  1. Wiring Diagram Circuit Identificationpp. 1740–1746

Other manuals for this vehicle