Hello and welcome to Packard Motor Car Information! If you're new here, please register for a free account.  
Login
Username:

Password:

Remember me



Lost Password?

Register now!
FAQ's
Main Menu
Recent Forum Topics
Recent Comments
Who is Online
85 user(s) are online (1 user(s) are browsing Factory Service Index)

Members: 1
Guests: 84

charlieshot, more...
Helping out...
PackardInfo is a free resource for Packard Owners that is completely supported by user donations. If you can help out, that would be great!

Donate via PayPal
An Index to Service Information for 1937-42 (15th->20th Series) Packards

1937-42 (15th->20th Series) - TRANSMISSION & OVERDRIVE

SubjectApplicationDocument
Adjustment, Transmission
direct/second shift fork travel - finger/boss clearance
1700-1-2-3-5
Bearings, Care of Ball and Roller
installation/removal damage - proper support
(all models)
Bearings, Rough Transmission Driving Shaft
1st/2nd gear service assemblies - lubricate prior to install
17th-54th
Crank, Transmission Checking
new special tool suggestion - fabricate locally
(not specified)
Drain Plug Wrench - Special Tools
new required tools- transmission and Econo-Drive
18th
Drive Shafts, Dont Fill...with Grease
noise deadening - premature u-joint failure
(not specified)
Flange Nuts, Universal Joint
new special tool - thin-walled socket
120C-138CD;
115C;
1600-1-2
Gasket Sets, Transmission
parts available for service - part reference
120-138CD;
115C;
1600-1-2;
1700-1-2-3-5;
18th-22nd
Gasket Sets, Transmission and Overdrive
parts available for service - part reference
17th-22nd
Gear Clash, Second Speed
synchronizer operation - bearing lock ring burrs
17th-54th
Gear Shift - Tool Number Correction
linkage adjustment - steering aligning gauge
19th
Gear Shift
stiff, difficult - linkage alignment/adjustment
19th
Gear Shift Anti-Rattler
additional instructions - clearing steering gear dowel
17th-18th
Gear Shift Anti-Rattler
rubber anti-rattle button - 19th Series retrofit
17th-18th
Gear Shift Lever Rattle
bell crank - lubrication causes excessive movement
17th
Gear Shift Levers (Handishift)
alignment holes - lock rod for service safety
1700-1-2-3-5
Gear Shift Linkage
shift lever drag - loose interlock block, levers, forks
17th-20th
Gear Shifter Forks
superseded design - larger pins/holes
17th-20th
Gear Shifter Lever Rattle
column production changes - anti-rattle spring/plug
1700-1-2-3-5
Gear Shifting in Cold Weather
trouble - use of seasonal oils
(not specified)
Gear Shifts, Dont Fall Down on Fixing
sticking in gear - summary of checks/adjustments
17th-20th
Gears, Damage to Transmission...from Shifting
gear clash - consequences
(not specified)
Gearshift Still Sticks, That
lost motion reiterated - new forged column levers
18th-21st
Gearshift Still Sticks, That
lost motion, levers/interlock - column lever clearance
18th-20th; (21st)
Interlock, Transmission Cover
shift interlock block loose/worn - new service kit
17th-20th
Linkage, Handishift
sticking in gear - interlock block, linkage assist spring
19th-20th
Linkage, Lost Motion in Handishift
sticking in low, shifting to neutral - worn rubber grommets, new steel bushings
17th
Locking in Gear - see also:
Gear Shift (Gearshift)
Interlock
Linkage
Lubricant
Sticking in Gear
--
--
Locking in Gear
sticking in low, shifting to neutral - clutch free play, shift lever clearance
18th-19th
Locking in Gear
sticking in low, shifting to neutral - spring washer eliminated, new shims for lever clearance
18th-19th
Lubricant, Transmission
seasonal oils - viscosity issues
(all models)
Lubricants, Transmission
warm weather, bearing noise - new Kendall 400 oil
(not specified)
Lubrication, Transmission - Econo-Drive
summer/winter - viscosity issues, draining/filling
17th;
(18th)
Motor Period
torsional disturbance - clutch/transmission jazz
(not specified)
Oil Seals
damage, leaks - special tools, proper use
19th-24th
Overdrive: Assemblies, Transmission and...
no longer available - replace with standard transmission
1703-5
Overdrive: Bearing Pre-Load, Econo-Drive
new spring washer, spacer - identification, installation
1700-1-2-3-5
Overdrive: Bearing Preload, Econo-Drive
preload washers - cotter pins eliminated
1700-1-2-3-5
Overdrive: Cars, Econo-Drive
new preload parts - first use, unit serial numbers
1700-1-2-3-5
Overdrive: Control, Econo-Drive
adjusted too short - minimum knob/stop clearance
17th
Overdrive: Cut-In Speeds, Econo-Drive
higher speed governor, special service unit - part reference
18th
Overdrive: Electromatic, Aero-Drive with
delayed shift, second gear - proper operation
19th
Overdrive: Failure To Get Into...
checks - corrections
17th-20th
Overdrive: Flange Nuts, Special Tool to Help Mechanic Tighten or Loosen Universal Joint
new holding tool
17th-22nd;
(23rd-25th)
Overdrive: Free Wheeling Clutch
roller clutch inoperative - springs reversed
1700-1-1A-2-3-3A-5;
1800-1-1A;
1900-1-1A;
1951;
2000-01-10-11;
(2100-01-11)
Overdrive: Governor Switch, Econo-Drive
difficulty getting into reverse - lockout knob check for inoperative switch
18th
Overdrive: Governor Switch, Econo-Drive
flickering dash light, clicking solenoid - switch shaft worm gear, transmission driving gear
18th
Overdrive: Governor Switch, Econo-Drive
locked out of reverse, switch mechanism binding - realign guide pin
18th
Overdrive: Governor Switch, Econo-Drive
no reverse - guide pin adjustment reiterated
18th
Overdrive: Governor Wrench
new special tool - R-11 and older
18th-23rd
Overdrive: Governor Wrench, Econo-Drive
short wrench - clears X-member
18th;
(19th-22nd)
Overdrive: Governor, Aero-Drive
19th Series switch cover supersedes 18th - use of 18th Series governors
18th-19th
Overdrive: Governors, Econo-Drive
improper operation - new switch cover
18th-19th
Overdrive: Ignition Cut Out
Econo-Drive, decelerating - relay adjustment
18th-20th;
(21st)
Overdrive: Indicator Light, Aero-Drive
always on - headlamp resistance unit bent. grounded
19th (exc. 1951)
Overdrive: Indicator Light, Aero-Drive
on, standing - fuse check
19th-20th
Overdrive: Installation, Economy-Drive
field upgrade not cost-effective
17th
Overdrive: Kickdown Switch, Econo-Drive
shorting against starter - incorrectly mounted
1803-3A-4-5-6-7-8
Overdrive: Lockout Sleeve
no reverse - sleeve operational checks, lubricant viscosity
17th-20th
Overdrive: Lubrication, Econo-Drive
changes in pilot bearing, thrust washer - hypoid oil permitted, unit identification
1700-1-2-3-5
Overdrive: Lubrication, Econo-Drive
hypoid oil approved - new plugs/tag
1700-1-2-3-5
Overdrive: Lubrication, Transmission - Econo-Drive
summer/winter - viscosity issues
17th;
(18th)
Overdrive: Lubrication, Transmission and...
operating issues, cold - lubricant recommendations
17th-20th
Overdrive: Operating the Econo-Drive
proper engagement point - wear, noise benefits
17th;
(18th)
Overdrive: Parking in Gear
Econo-Drive, on hills - use reverse gear only
1700-1-2-3-5
Overdrive: Parts, Econo-Drive
parts reference - illustrated
17th
Overdrive: Rear Bearings, Econo-Drive - Correction
film supplement - race reference
1700-1-2-3-5
Overdrive: Rear Bearings, Econo-Drive
production change, larger bearing - revised service procedure
1700-1-2-3-5
Overdrive: Rear Bearings, Economy-Drive - Renewing and Preloading
service procedure
1700-1-2-3-5
Overdrive: Reverse Lock-Out Switch, Econo-Drive
new plunger switch, relay, wiring, operation - partial or full installation
1700-1-2
Overdrive: Sluggish Engagement (or Clunks)
insufficient friction, stationary gear balk ring/plate - R-9
18th-21st
(22nd)
Overdrive: Snap-Ring Pliers, Econo-Drive
new special tool - driving shaft locking rings
17th;
(18th-22nd)
Overdrive: Solenoid Installation, Econo-Drive
solenoid failure - spacer inverted
18th-20th;
(21st)
Overdrive: Solenoid Repair
contact replacement reiterated - solenoid shipment restricted
18th-20th;
(21st)
Overdrive: Solenoid Repair
overdrive inoperative, burnt contacts - new parts kit, installation
18th-20th;
(21st)
Overdrive: Solenoid, Waterproofing
road splash - seal housing/cover, terminals with Permatex
17th-20th;
(21st)
Overdrive: Transmission Case Cover
compatible with OD units - requires lockout plunger
17th
Overdrive: Transmission Jazz
rattle/buzz, engine period - new type clutch thrust washer, driven plate
1801
Overdrive: Wiring Diagram
schematic - circuit operation, troubleshooting
18th-20th
Overdrive: Wiring Diagram, Aero-Drive
new model information
20th
Servicing the Transmission
overhaul procedure
17th-21st
Shifter Lever Interference
interference with rear motor support - rework existing stock, superseded part
1703-3A-5;
1803-3A-4-5-6-7-8;
1903-3A-4-5-6-7-8;
2003-04-05-06-07-08-23-55;
2103-06-26
Shop Manual Corrections (1938-1939)
transmission oil capacity
1603-4-5;
1703-3A-5
Sticking in Low Gear
loose detent block, forks, levers, rods - insufficient clutch clearance
17th-20th
Transmission Service Units
part number reference - supersedes parts book
120-138CD;
115C;
1600-1-1A-1D-2;
1700-1-1A-2-3-3A-5;
18th;
1900-1-1A-3-3A-4-5-6-7-8
Transmissions
noisy, coasting/light throttle - heavier oil, new type clutch driven plate
(NOTE: page missing from archived document)
1600
Transmissions
parts shortage - substitute assemblies, speedometer cable
1800-3-3A-4-5-6-7-8;
1903-3A-4-5-6-7-8;
2003-06;
?2004-05-07-08?;
2103-06
Transmissions
superseded - speedometer cable serviced separately
20th?
Transmissions and Parts Now Available
1st/2nd speed driving shaft - back in stock
1951;
2000-01-03-06-10-11;
21st
Transmissions and Parts Now Available
assemblies, shafts, cluster gear - back in stock
1951;
2000-01-03-06-10-11;
2100-01-11-30
Transmissions and Parts Now Available
clutch (input) shaft - back in stock
1700-1-1A-2;
1800-1-1A;
1900-1-1A;
1951;
2000-01-03-06-10-11;
2100-01-11-30
Transmissions and Parts Now Available
countershaft cluster gear - back in stock
120-138CD;
115C;
1600-1-1A-1D-2
Transmissions, Service
shipped dry, inspect syncromesh balls/springs - new special tool
(not specified)

SC = Service Counselor
SL = Service Letter
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.

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.

Search
Recent Photos
1937 Packard 115c Conn. (07/02/2021)
1937 Packard 115c Conn.
1953 Mayfair (06/26/2021)
1953 Mayfair
IMG_20210324_172433493.jpg (03/28/2021)
IMG_20210324_172433493.jpg
Photo of the Day
Packards Indianapolis, Inc.
Recent Registry
Website Comments or Questions?? Click Here Copyright 2006-2021, PackardInfo.com All Rights Reserved