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15-12
SEATS
GEAR HOUSING
DRIVING GEAR
GEAR
HARNESS
SOLENOID
CONNECTOR
PLUNGER
RUBBER COUPLER
DOG SPRING
DOG
SHAFT
SOLENOIDS AND
COVER PLATE
SOLENOID
HOUSING
1693
Fig. 15-10 —Four-Way Seat Adjuster Transmission
FOUR-WAY SEAT ADJUSTER MAJOR
COMPONENTS-Buick "B-C & E" Full
Width Four-Way Power Seat
The following service procedures cover replace-
ment of the major component parts of the power
operated four-way seat adjusters used on the Buick
"B-C & E" body full width seats.
ELECTRIC MOTOR-Buick "B-C & E" Body
Removal and Installation
1. Remove front seat assembly, and place upside
down on a clean protected surface.
2. Disconnect wire harness from motor relay
assembly.
3. Remove screws securing motor and transmis-
sion support to seat bottom frame (Fig. 15-5).
4. Remove motor-to-support a t t a c h i n g screws
and remove motor assembly from support.
5. To install, reverse removal procedure making
sure rubber coupler is properly engaged at
both motor and transmission ends. Check that
seat harness is properly secured to seat.
Check operation of seat to full limits of travel.
VERTICAL GEARNUT-Buick "B-C & E" Body
Removal and Installation
1. Operate seat to rearward position; then, re-
move front seat assembly and seat adjuster.
2. Remove vertical gearnut attaching nut at ad-
juster upper track (Fig. 15-11). Lift rear of
channel upward and remove gearnut tension
spring and washer (15-12).
3. Lay adjuster on its side and remove screws
securing vertical gearnut to adjuster lower
track; then, remove gearnut from adjuster
(Fig. 15-11).
4. To install, reverse removal procedure.
NOTE:
Check operation of seat adjusters and
make sure adjusters are "in phase". See
step 6 under "Front Seat Assembly - Removal
and Installation".
GEARNUT ATTACHING NUT
VERTICAL GEARNUT ASSEMBLY
r O A r ACTUATOR
LOCATING SPRING
I _ _ ,
— — —
HORIZONTAL ACTUATOR
ASSEMBLY ""
—
JLLSJL
Fig. 15-11 —Four-Way Seat Adjuster - Buick
"B-C & E" Styles
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