Pontiac Fiero 1988 Service Manual page 260

DISC BRAKE CALIPER ASSEMBLY 48H REAR CALIPER 5B10-9
•
Dry with unlubricated compressed air.
Blow out all passages in caliper housing (27) and
bleeder valve (23).
Assemble (Figures 14 through 19)
Tool Required:
J 36622 Boot Seal Installer
J 36623 Piston Installer
NOTICE: See "Notice" on page 5-1.
1. If removed or replaced, bracket (25), bridge (26) and
bridge bolts (24).
7. Lubricated actuator screw (18) along with shaft seal
(21) and thrust washer (20) into caliper housing (27).
8. Balance spring (19) into caliper housing (27) bore,
with end of spring (19) in recess at bottom of caliper
bore.
9.
Tighten
• Bridge bolts (24) to 100 N-m (74 lbs. ft.).
Bleeder valve (23) and valve cap (22).
10.
Tighten
• Bleeder valve (23) to 13 N-m (116 lbs. in.).
Lubricated new piston seal (17) into groove (39) in
caliper housing (27).
• Make sure seal (17) is not twisted.
Thrust washer (20) on actuator screw (18) with copper
side of washer (20) towards the piston assembly (14)
and the grayish surface towards caliper housing (27).
Lubricated shaft seal (21) on actuator screw (18).
Lubricated boot (16) onto piston assembly (14).
Important
Make sure outside diameter of piston assembly (14) is
well lubricated before installation.
Lubricated piston assembly (14) and boot (15) into
lubricated bore of caliper housing (27).
• Push piston assembly (14) toward bottom of
caliper bore using J 36623.
• Turn actuator screw (18) as necessary to allow
piston assembly (14) to move to bottom of cali-
per bore.
Lubricated lever seal (12) over end of actuator screw
(18).
• Rubber sealing bead on lever seal (12) should
be against lever (10) and copper colored side
against caliper housing (27).
Important
In the next step, hold lever (10) back against stop on
caliper housing (27) while tightening nut (9). This will
prevent accidental application of the parking brake
mechanism.
14
14. PISTON ASSEMBLY
16. B O O T
J 1 0 0 1 7 - 5 B 1 0 - P
J 3 6 6 2 2
J 3 6 6 2 3
27. CALIPER H O U S I N G
J 1 0 0 1 8 - 5 B 1 0 - F
Figure 17 Installing Boot Onto Piston Assembly Figure 18 Seating Boot Into Caliper Housing