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1966 GMC Truck Models 5500-9500 Service Shop Maintenance Manual Supplement

Price $34.00 Details W: 8.25 x H: 10.75 x D: 0.625 Weight 1.43 lbs. Page Count 362 Condition Used Original - Good Item Type Factory Manual Inventory Number SM-26386 OEM Number X-6634 In Stock
Flat US shipping rate: $8.95
Flat International shipping rate: $40.55


1966 GMC Truck Models 5500-9500 Service Shop Maintenance Manual Supplement. Supplement applicable to Maintenance Manuals X-6434 or X-6523.

A GM authorized manual that would have been used by a shop technician in their everyday duties of servicing/maintaining and repairing new and used vehicles of the time period. It gives short cuts and methods for the care and maintenance of GMC Trucks in simplistic terms. Note: These manuals were never meant as restoration manuals, as that is not within the regular scope of work done by dealership service departments.


Front Axle

Rear Axles




Cooling System



Sheet Metal

Fuel System





Condition: Service Manuals have been used in Service Stations, Independent Garages and in Fleet Environments and thus reflect such use, most often showing signs of soiling and may show other signs of age and wear, but the information within is still legible and can give valuable insight in the care and maintenance of vehicles. The images shown are reflective of the kind of condition one might find of manuals that are shipped.

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