11. Install the upper coupling to the steering column
(1) then install the pinch bolt to the upper coupling
(2). Tighten to 38 N·m (28 ft. lbs.).
12. Install the steering column opening cover (Refer
to 23 - BODY/INSTRUMENT PANEL/STEERING
COLUMN OPENING COVER - REMOVAL).
13. Install the steering column opening cover rein-
forcement.
14. Install the upper and lower shrouds.
15. Reconnect the negative battery cable.
POWER BRAKE BOOSTER
DESCRIPTION
All models use a tandem diaphragm, power brake
booster (3).
NOTE: The power brake booster is not a repairable
component. The booster must be replaced as an
assembly if diagnosis indicates a malfunction has
occurred.
OPERATION
The booster unit consists of a single housing divided
into two by a tandem diaphragm (3). The outer edge
of the diaphragm is secured to the housing. A spacer
block (2) is located in between the cowl and the
booster housing. The booster push rod (1), connects
the booster to the brake pedal and master cylinder (4),
is attached to the center of the diaphragm. A check
valve (5) is used in the booster outlet connected to the
engine intake manifold. Power assist is generated by
utilizing a combination of vacuum and atmospheric
pressure to boost brake assist.
HB
BRAKES - BASE
5 - 47