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Mechagon, kevinpackard, Ernie Vitucci, more...
An Index to Service Information for 1955-56 (55th->56th Series) Packards

An Index to Service Information for
for 1955-56 (55th->56th Series) Packards

Research and Introductions by Brian Harpst
     ~1955-56 (55TH->56TH SERIES)
SC = Service Counselor
STB = Service Technical Bulletin
SSB = Studebaker Service Bulletin


NOTE: These PDFs were created from High Quality Scans. It is recommended that you Right Click on the link(s) above and do a "Save Target As". This will download the PDF to your machine rather than trying to open and view it over the web.
Bearings, Care of Ball and Roller
installation/removal damage - proper support
(all models)SC Vol. 20, No. 8
Front Wheel Bearing (Torque Specifications - Addition)
revised torquing procedure
55thSC Vol. 30, No. 8, p. 32
Front Wheel Bearing Adjustment (Correction)
revised torquing procedure
24th-56thSC Vol. 30, No. 5, p. 20
Front Wheel Bearing Adjustment
revised torquing procedure
24th-56thSC Vol. 30, No. 3, p. 11
Hard Steering
knuckle thrust bearing
55thSC Vol. 29, No. 4, p. 24
Power Steering Cylinder Seal Kit, Bendix
leaks - proper installation
55th-56thSC Vol. 30, No. 8, p. 32
Power Steering Pump Pressure Gauge Fittings
special tools
55thSC Vol. 29, No. 6, p. 34
Power Steering Pump Reservoir Cap
improved type - same number
55th-56thSSB No. 319, p. 6
Power Steering Pump Reservoir Dip Stick
breaks loose, cap leaks - discontinued, cap redesigned
55thSC Vol. 29, No. 8, p. 41
Power Steering Pumps
Bendix vs. Monroe - identification, do not interchange
55thSC Vol. 29, No. 4, p. 24
Power Steering Recovery
too slow - binding nylon spacer
55th-56thSC Vol. 30, No. 2, p. 7
Power Steering, Binding (Bendix)
ball stud adjustment
STB 55T-38, Dealer 29
Shock Absorber Bracket, Rear Axle Torque Arm and
superseded part
55thSSB No. 340, p. 4
Shock Absorber Grommet Spacer, Rear
squeaking - excessive end play
56thSC Vol. 30, No. 5, p. 20
Shock Absorbers - Export
bottoming - heavy-duty type available
55thSTB 55T-42, Dealer 33
Stabilizer Bushing Retainer Clip Installer, J-4654
service procedure clarified
SC Vol. 25, No. 7, p. 25
Steering Cross Bars and Sockets Assemblies
interchangeable parts
22nd-56thSSB No. 348, p. 7
Steering Flange - Except Push Button Control
superseded part
56thSSB No. 355, p. 7
Steering Knuckle Bearing Shims, Front Wheel
superseded parts
22nd-56thSSB No. 348, p. 8
Steering Knuckle Supports
superseded parts
22nd-56thSSB No. 350, p. 7
Support Arm Bushing Torque Specifications, Front - Additions
inner, upper and lower
55thSC Vol. 29, No. 8, p. 41
Support Arm Pivot Pins and Bushings, Front
rattles - revised part
55thSC Vol. 29, No. 7, p. 36
Torque Specifications - Suspension Additions
front support arm inner bushings, upper/lower
55thSC Vol. 29, No. 8, p. 41
Torsion-Level Suspension - see also:
Torsion-Level Suspension: Cautions
delivery and service
55thSTB 54T-19, Dealer 9
Torsion-Level Suspension: Erratic Action
loose support arm inner bushing nuts - compensator nuts
55th-56thSSB No. 325, p. 5
Torsion-Level Suspension: Limit Switch and Compensator Motor
overtravel, excessive current draw - diagnosis, new limit switch
55thSTB 55T-2, Dealer 2
Torsion-Level Suspension: Load Arm Ball Stud and Seats
snapping noise - new type
56thSC Vol. 30, No. 1, p. 4
Torsion-Level Suspension: Load Arm Snap
noise - ball studs/seats redesigned, alternate unloading procedure
55thSTB 55T-37, Dealer 28
Torsion-Level Suspension: Load Compensator
parts identification and assembly
55thSC Vol. 29, No. 4, p. 23
Torsion-Level Suspension: Load Compensator Lever Identification
uneven riding height, side-to-side - visual inspection
55thSC Vol. 29, No. 3, p. 22
Torsion-Level Suspension: Long Torsion Bars (9-degree)
replacements in pairs - jounce bumper clearance
55th-56thSSB No. 320, p. 7
Torsion-Level Suspension: Long Torsion Bars, 9-degree
bottoming - re-indexed hexes
5580; 5680-88STB 56T-1 (Zones only)
Torsion-Level Suspension: Rear Load Arm Links
unseated - retaining pin added
55thSTB 55T-18 (Zones only)
Torsion-Level Suspension: Uneven Riding Height
fore-to-aft - adjustment, dash switch wire no longer disconnected for shipping
56thSTB 55T-53, Dealer 44
Torsion-Level Suspension: Uneven Riding Height
side-to-side - diagnosis, replacement links
55thSTB 55T-1, Dealer 1
Torsion-Level Suspension: Worm Shaft Lock Ring
motor turns, but not lowering - inspection and replacement
55thSTB 55T-12, Dealer 10

Disclosures & Disclaimers Though previously published elsewhere, this work is provided with my full permission for display on the 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 are responsible for errors in content arising from source information.

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