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TRANSMlSSlON-4-SPEED MANUAL
21 -3
SERVICE DIAGNOSIS
M A N U A L TRANSMISSION
Condition
Possible Cause
Correction
(a) Incorrect clutch adiustment.
(a) Refer to the Clutch Group for corrections.
HARD SHIFTING
(b) Improper cross-over adjustment.
(c) Synchronizer clutch sleeve damaged.
(b) Perform
the
cross-over adjustment as outlined in
Paragraph "Gearshift Linkage Adiustments."
(c-d-e) Causes noted can only be corrected by
dis-
assembling the transmission and replacing
damaged or worn parts.
TRANSMISSION
SLIPS
OUT
OF
GEAR
TRANSMISSION
NOISES
(d) Synchronizer spring improperly installed.
(e) Broken or worn synchronizer stop rings.
(f)
Gearshift housing misaligned. (A-833
4-Speed).
(a) Linkage interference.
(b) Gearshift rods out of adjustment.
(c) Second or direct speed gear synchronizer
(d) Clutch housing bore or face out of alignment.
clutch teeth worn.
(a) Excessive end play in the countershaft gear.
(b) Loose synchronizer hub spline fit on mainshaft.
(c) Loose spline fit on low speed sliding gear to
(d) Loose spline fit of rear mainshaft flange.
mainshaft spline.
(e) Damaged, broken or excessively worn gear
(f) Drive pinion bearing worn.
teeth.
(f) Align gearshift housing. (Refer to Page 28).
(a) Inspect and remove all linkage interferences.
(b) Adjust the gearshift rods as outlined in Para-
graph "'Gearshift Linkage Adiustments."
(c) Disassemble the transmission and replace
parts
as necessary.
(d) Refer to the Clutch Group for correction pro-
cedures.
(a) Replace the thrust washers.
(b) Inspect the mainshaft and synchronizer hub
(c) Inspect the low speed sliding gear and main-
(d) Inspect the mainshaft and flange splines. Re-
(e) Replace the worn gears.
and replace parts as necessary.
shaft. Replace parts as necessary.
place parts as necessary.
(f) Replace the worn bearing.
SERVICE PROCEDURES
A-903 AND A-745
3-SPEED MANUAL
Gearshift Linkage Adjustment
(1)
With the 2nd and 3rd control rod disconnected
from the lever on the column and the 1st and reverse
control rod disconnected from the transmission le-
ver, position both transmission levers in neutral.
(The neutral detent balls must be engaged to make
this adjustment correctly.) To check this, start the en-
gine (with clutch disengaged) then release the clutch
(2) Inspect the fore and aft movement of the shift
levers in the steering column. If the movement at out-
er end of the levers exceeds
l l l a
inch. Loosen the two
upper bushing screws (Fig.
4)
and rotate the bushing
slowly.
(downward) until all free play of the levers has been
removed. Retighten the bushing screws securely.
(3) Install a wedge
or suitable tool between the
cross-over blade and the 2nd and 3rd lever, so that
the cross-over blade is engaged with both lever cross-
over pins.
(4)
Adjust the length of the 2nd. and 3rd. control
rod until the stub shaft of the control rod or swivel
enters the hole in the column lever (Fig.
5
or
6).
In-
stall the washer and clip to secure and tighten the
swivel lock nut to 70 inch-pounds torque. During the
above setting, the 2nd. and 3rd. control rod should be
adjusted to also position the selector lever (on the
column)
5
degrees above horizontal level on
116
and
119%
inch wheelbase cars, and 10 degrees on the
106 inch wheelbase cars (transmission in neutral).
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