Pontiac Fiero 1988 Service Manual page 227

b-6
BRAKES
2. Install J 28662 onto brake pedal.
3. Hook end of tape measure over top edge of brake
pedal and measure the distance to the rim of the
steering wheel.
4. Apply brake pedal with 446N (100 lbs.) force and re-
measure. The difference between both readings is
the actual pedal travel and should not exceed specifi-
cations. See Section 5F for Brake Pedal Travel speci-
fications.
STOPLAMP SWITCH A D J U S T M E N T
(Figure 5)
1.
Adjust
With brake pedal in fully released position, the stop
lamp switch plunger should be fully depressed
against the brake pedal shank. Adjust switch by mov-
ing in or out as necessary.
Make certain that the tubular clip is in brake pedal
mounting bracket.
2. With brake pedal depressed, insert switch into tubu-
lar clip until switch body seats on clip. Clicks can be
heard as the threaded portion of the switch is pushed
through the clip toward the brake pedal.
3. Pull brake pedal fully rearward against brake pedal
stop until clicking sounds can no longer be heard.
Switch will be moved in tubular clip providing adjust-
ment.
4. Release brake pedal and then repeat step 3, to
assure that no clicking sounds remain.
FILLING MASTER CYLINDER R E S E R V O I R S
The master cylinder must be kept properly filled to insure
adequate reserve and to prevent air from entering the
hydraulic system. However, because of expansion due to
heat absorbed from brakes and from engine, master cylin-
der must not be overfilled.
The brake fluid reservoir is on the master cylinder which
is located under the hood on the left side of the vehicle.
Thoroughly clean reservoir cover before removal to avoid
getting dirt into reservoir. Remove cover and diaphragm.
NOTICE: Do not use fluid which contains a petro-
leum base. Do not use a container which has been
used for petroleum based fluids or a container which
is wet with water. Petroleum based fluids will cause
swelling and distortion of rubber parts in the hydrau-
lic brake system and water will mix with brake fluid,
lowering the fluid boiling point. Keep all fluid con-
tainers capped to prevent contamination.
1 - PEDAL
2 - RETAINER
3 - SWITCH
(W/O CRUISE CONTROL)
4-SWITCH
(WITH CRUISE CONTROL)
5 —PEDAL SUPPORT
J 1 0 0 0 5 - 5 - P
Figure 4 Power Brake Hoses and Tube
Figure 5 Stoplamp Switch Adjustment