Toyota Celica Supra 1986 Service And Repair Manual page 480

BRAKE SYSTEM - Troubleshooting
BR·3
TROUBLESHOOTING ( Cont' d)
Probfem
Possible cause
Remedy
~'ago
Hard pedal but brakes
Oil or grease on pads
Check for cause/replace pads BR-14.20
irteffi<:ient
Brake pads d istorted
Replace hf"ake
pads
BA-14.20
Piston frozen in caliper
Repair caliper
BA-16.22
Brake booster fa ulty
Repair booster BA -12
Vacuum leaks
Repair as necessary
Brake line r~tricted
Repair as necessary
Snapping or cltck ing
Drum brakes in 3 p laces- brake shoes
Lubricate
BR-28
noise when brakes
binding at backing plate ledges
•eapplied
Drum brakes in 3 plaoes-baeking
Replace and lubricate ledges
BA·28
plate ledges wotn
Orum brakes-loose or mis.sing hold· Reptace
BA·26
down spring
Disc bf'akes-run on front edgt of
Inspect, lubricate, replace if BA-26
inboard shOt$
neoessary
Disc bfakeS- IOO$e or missing anti· R eplace
BR· 14.20
rattle spring
Disc brakes-loose installatio n
bolt Tighten
BR-14.20
I
Disc br'al\es- w ear on slide bushing
Replace BR-14,20
Setapjr/ g or grinding Worn brake linings
Replace. Refinish rotors if
BR-14.20
noise when b rakes
heavily teored
...are applied
-
Caliper to wheel
or
rotor interference
Replace
u
required
BR-14.20
Dust cover to rotor interference
Correct or replace
BA -14.20
Other brake synem oompanents:
Inspect or service
BA ·14.20
Warped or bent btake backing
plate or splash shield, cracked
rotors
Tires rubbing against chaS"Si$ .and body
Inspect or service