Section 6A5 · Pages 556–585 (30 pages)

7.4 Liter V8

From the 1987 Chevrolet Light Duty Truck Service Manual

On-vehicle service for the 7.4L V8, a 90-degree overhead-valve engine with cast-iron block and heads. After the description and engine lubrication, procedures run through the rocker arm cover, rocker arms and pushrods, valve adjustment, valve stem seals and springs, intake manifold, hydraulic lifters, rocker arm studs, exhaust manifold and cylinder head, then the torsional damper and front crankshaft seal, front cover, oil pan, oil pump, rear crankshaft seal, measuring camshaft lobe lift, camshaft, connecting rods and pistons, oil filter bypass valve, main bearings, crankshaft, flywheel, engine mountings and engine replacement, ending with specifications and special tools.

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What this section covers

  • Engine description and lubrication
  • Rocker arms, pushrods and valve adjustment
  • Valve stem seals, springs, lifters and rocker studs
  • Intake and exhaust manifolds, cylinder heads
  • Torsional damper, front cover, oil pan and oil pump
  • Rear main seal, camshaft lobe lift and camshaft
  • Pistons, main bearings and crankshaft
  • Engine mountings and replacement, specifications and tools
Year
1987
Make
Chevrolet
Vehicle
G Vans, Light Duty Trucks, P Forward Control, R/V Trucks, Trucks
Type
Service Manual
Models
R/V, P, G 10–35
Publication
ST-330-87
Pages
1,382

What’s inside

General information

  1. 0AGeneral Informationpp. 6–23
  2. 0BMaintenance and Lubricationpp. 24–49

Heating and air conditioning

  1. 1AHeatingpp. 50–75
  2. 1BAir Conditioningpp. 76–143

Frame and sheet metal

  1. 2AFrame and Bumperspp. 144–167
  2. 2BSheet Metalpp. 168–191

Steering, suspension, wheels and tires

  1. 3AFront End Alignmentpp. 192–199
  2. 3B1Steering Linkagepp. 200–213
  3. 3B2Manual Steeringpp. 214–221
  4. 3B3Power Steeringpp. 222–257
  5. 3B4Steering Columnpp. 258–303
  6. 3CFront Suspension and Axlepp. 304–357
  7. 3DRear Suspensionpp. 358–369
  8. 3EWheels and Tirespp. 370–383

Propeller shaft and axles

  1. 4APropeller Shaftpp. 384–393
  2. 4B1Rear Axlepp. 394–415
  3. 4CFront Driving Axlepp. 416–423

Brakes

  1. 5AHydraulic Brakespp. 424–451
  2. 5A1Hydraulic Brake Booster Systemspp. 452–459
  3. 5A2Hydraulic Foundation Brakespp. 460–473

Engine

  1. 6AEngine: General Information and Diagnosispp. 474–487
  2. 6A34.3 Liter V6pp. 488–519
  3. 6A4Small Block V8pp. 520–555
  4. 6A57.4 Liter V8pp. 556–585
  5. 6A66.2 Liter Dieselpp. 586–621
  6. 6A74.8 Liter L6pp. 622–649
  7. 6B1Engine Coolingpp. 650–681
  8. 6B2Radiatorpp. 682–705
  9. 6CFuel Systempp. 706–723
  10. 6C1Carburetorspp. 724–771
  11. 6C2Diesel Fuel Injectionpp. 772–793
  12. 6DEngine Electricalpp. 794–873
  13. 6EEmissionsContents page for the emissions sections, noting that throttle body injection vehicles are covered in the Fuel and Emissions Service Manual.pp. 874–875
  14. 6E8Driveability and Emissions – Carburetedpp. 876–921
  15. 6E9Driveability and Emissions – Dieselpp. 922–931
  16. 6FExhaustpp. 932–941
  17. 6HVacuum Pumpspp. 942–949

Transmission and clutch

  1. 7AAutomatic Transmissionpp. 950–1027
  2. 7BManual Transmissionpp. 1028–1039
  3. 7CClutchpp. 1040–1055
  4. 7D1205 Transfer Casepp. 1056–1061
  5. 7D2208 Transfer Casepp. 1062–1069

Electrical and accessories

  1. 8ACab Electricalpp. 1070–1119
  2. 8BChassis Electricalpp. 1120–1149
  3. 8CInstrument Panelpp. 1150–1165
  4. 9Accessoriespp. 1166–1203

Body

  1. 10A1Doorspp. 1204–1277
  2. 10A2Seatspp. 1278–1311
  3. 10A3Glasspp. 1312–1323
  4. 10A4Interior Trimpp. 1324–1351
  5. 10A5End Gatepp. 1352–1371

Index

  1. IndexAlphabetical subject index giving the section page for each procedure in the manual.pp. 1372–1382

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