Section 3D · Pages 132–135 (4 pages)
Front Hubs and Bearings
From the 1966 GMC Truck Series 4000-6500 Service Manual
Front hubs on opposed tapered roller bearings, with bearing adjustment, cleaning and lubrication. Explains how too tight or too loose adjustment causes overheating, uneven tire wear and steering problems, and refers to the Service Parts Identification decal for bearing type.
Read this section free, starting at page 132What this section covers
- Bearing adjustment
- Hub removal and installation
- Cleaning and inspection
- Wheel bearing lubrication
- 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
- 0Lubricationpp. 8–25
- 1Cabs and Body Mountingspp. 26–107
- 2Framepp. 108–117
- 3AFront End Alignmentpp. 118–121
- 3BFront Axlepp. 122–125
- 3CFront Springs and Shock Absorberspp. 126–131
- 3DFront Hubs and Bearingspp. 132–135
- 4ARear Axle and Controlspp. 136–155
- 4BRear Springs and Suspensionpp. 156–159
- 4CRear Hubs and Bearingspp. 160–165
- 4DPropeller Shaftspp. 166–171
- 5AHydraulic Brakespp. 172–211
- 5BAir Brakespp. 212–257
- 5CParking Brakespp. 258–261
- 6AGasoline Enginespp. 262–287
- 6BToro-Flow Diesel Enginespp. 288–303
- 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
- 6KEngine Cooling Systempp. 306–315
- 6MEngine Fuel Systempp. 316–367
- 6TAir Compressors and Governorspp. 368–375
- 6YEngine Electricalpp. 376–411
- 7ATransmission Control Linkage and On-Vehicle Servicepp. 412–421
- 7DClutch Controlspp. 422–429
- 7EClutchespp. 430–435
- 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
- 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
- 9AMechanical Steeringpp. 440–452
- 9BPower Steeringpp. 453–471
- 10Wheels and Tirespp. 472–477
- 11Sheet Metalpp. 478–481
- 12Chassis Electrical and Instrumentspp. 482–497
- 13Radiator and Surge Tankpp. 498–502







