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An Index to Service Information for 1957-58 (57th->58th Series) Packards

1957-58 (57th->58th Series) - REAR AXLE

SubjectApplicationDocument
Axle Shaft Bearing Lubrication, Rear
plugs, vents eliminated - new repack intervals
57th
Flood Zones, Cars in
dirt carried in - drain/refill differential, clean/repack wheel bearings
(all models)
Lubricant, Rear Axle
Twin Traction lubricant used in all production and service - checks and refill intervals
All Models
Pinion Seal Leaks
between seal and housing - use of non-hardening sealer
All Models
Twin Traction Axle Operation
clutches not applying properly - rotate tires for equal tread
58th
Twin Traction Decal - Instrument Panel
removed from production
58th
Twin Traction Differential Noise
chatter on turns, during break-in - drain/refill, special lubricant
57th
Twin Traction Differential, Checking
improper testing
57th;
(58th)
Twin Traction Rear Axle Assemblies
cone-type clutches replaced by disc-type - assembly, identification
57th
Twin Traction Rear Axle Thrust Pin Out of Position
dislodged during axle removal - supplemental procedure
57th-58th
Twin Traction Rear Axle, New
third design, increased ramp angle for quicker application identification, service exceptions
58th

SC = Service Counselor
SL = Service Letter
STB = Service Technical Bulletin
SSB = Studebaker Service Bulletin

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Disclosures & Disclaimers

Though previously published elsewhere, this work is provided with my full permission for display on the PackardInfo.com website and the personal use of visitors to that site. Any other unauthorized use, however, is expressly prohibited and may be subject to prosecution. Also, because this index was compiled from documents published by the factory, neither the author nor PackardInfo.com are responsible for errors in content arising from source information.

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