Pontiac Fiero 1988 Service Manual page 247

5B4-6
DISC
BRAKE CALIPER ASSEMBLY
48H
FRONT CALIPER
Tighten
• Bolts (6) to 100 N-m (74 lbs. ft.) using No. 55torx
wrench.
Important
• Make sure that caliper mounting bolts (6) are
properly torqued.
3. Inlet fitting (21), if removed.
• Use new copper gaskets.
Tighten
• Fitting (21) to 45 N-m (33 lbs. ft.).
4. Shoes and linings as previously described.
• If inlet fitting (21) was removed, bleed caliper. See
Section 5.
• Check brake fluid and fill if necessary. See Section 5.
16
B
16
7. SLEEVE B O O T
8. SLEEVE
16. CALIPER H O U S I N G
16
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J 1 0 0 1 2 - 5 B 4 - P
Figure 12 Installing Sleeves and Sleeve Boots
UNIT REPAIR
CALIPER OVERHAUL
Remove or Disconnect
Caliper as previously described.
Inspect (Figure 13)
• Bridge (15) for cracks.
Disassemble (Figures 13 through 15)
*
1. Bridge bolts (14) and bridge (15) only if bridge (15) is
suspected of being cracked or damaged.
• Caliper housing (16) can be overhauled without
removing bridge (15).
CAUTION: Do not place fingers in front of the
piston in an attempt to catch or protect it when
applying compressed air. This could result in
serious injury.
2. Piston (9) using compressed air into the caliper hous-
ing inlet hole.
Important
• Use clean shop towels as a pad over bridge (15)
during piston removal.
Inspect
Piston (9) for scoring, nicks, corrosion and worn
or damaged chrome plating.
• Replace piston (9) if any of the above are
found.