Pontiac Fiero 1988 Service Manual page 244

DISC BRAKE CALIPER ASSEMBLY 48H FRONT CALIPER 5B4-3
1. SPRING PIN
2. O U T B O A R D SHOE & L I N I N G
3. I N B O A R D SHOE & L I N I N G
4. WEAR SENSOR
5. SPRING
15. B R I D G E
16. CALIPER H O U S I N G
J 1 0 0 0 2 - 5 B 4 - P
Figure 2 Shoe and Lining Assembly
3. I N B O A R D SHOE & L I N I N G
16. CALIPER H O U S I N G
J 1 0 0 0 3 - 5 B 4 - P
Figure 3 Compressing Piston
• Install springs (5) one at a time. Hook end of
spring (5) under pin (1) installed in step 3, with
midsection of spring (5) over shoe flange.
• Press down on other end of spring (5) with
screwdriver as remaining pin (1) is slid inboard.
Figure 8 shows outboard spring (5) installed
and inboard spring (5) being installed.
• Complete pin installation by tapping as in step 3
above.
1. SPRING PIN
J 6 1 2 5 - 1 B
J 1 0 0 0 4 - 5 B 4 - P
Figure 4 Attaching Impact Tool
1. SPRING PIN
J 6 1 2 5 - 1 B
J 3 6 6 2 0
J 1 0 0 0 5 - 5 B 4 - P
Figure 5 Removing Spring Pins
• Make sure springs (5) are centered on shoe
flanges with each spring end projecting under
pins (1) an equal amount.
• Wheels and tires, aligning previous marks. See Sec-
tion 3E.
• Remove wheel nuts securing rotor to hub.
• Lower car. See Section OA.
• Torque wheel nuts. See Section 3E.
• Fill master cylinder to proper level with clean brake
fluid.
• Apply approximately 778 N (175 lb.) force to brake
pedal three times to seat linings.
CALIPER A S S E M B L Y
Remove or Disconnect (Figures 9 through 12)
1. Shoes and linings as previously described.