Diagnostic Information And Procedures; Brake Symptom Diagnosis; Repair Instructions; Brake Pedal Height Inspection And Adjustment - Suzuki 2005 GSF1200 Service Manual

4A-4 Brake Control System and Diagnosis:

Brake Symptom Diagnosis

Condition
Insufficient brake power
Brake squeaking
Excessive brake lever
stroke
Leakage of brake fluid
Brake drags

Brake Pedal Height Inspection and Adjustment

Refer to "Brake System Inspection: in Section 0B".

Front Brake Light Switch Inspection

Inspect the front brake light switch in the following
procedures:
1) Disconnect the front brake light switch lead coupler
(1).

Diagnostic Information and Procedures

Possible cause
Leakage of brake fluid from hydraulic
system.
Worn pads.
Oil adhesion on friction surface of pads. Clean disc and pads.
Worn disc.
Air in hydraulic system.
Not enough brake fluid in the reservoir. Replenish.
Carbon adhesion on pad surface.
Tilted pad.
Damaged wheel bearing.
Loose front-wheel axle or rear-wheel
axle.
Worn pads.
Foreign material in brake fluid.
Clogged return port of master cylinder.
Air in hydraulic system.
Insufficient brake fluid.
Improper quality of brake fluid.
Insufficient tightening of connection
joints.
Cracked hose.
Worn piston and/or cup.
Rusty part.
Insufficient brake lever or brake pedal
pivot lubrication.

Repair Instructions

B649G14106017
B649G14106018
1
I649G1410005-01
Correction / Reference Item
Repair or replace.
Replace.
Replace.
Bleed air.
Repair surface with sandpaper.
Correct pad fitting or replace.
Replace.
Tighten to specified torque.
Replace.
Replace brake fluid.
Disassemble and clean master cylinder.
Bleed air.
Replenish fluid to specified level; bleed air.
Replace with correct fluid.
Tighten to specified torque.
Replace.
Replace piston and/or cup.
Clean and lubricate.
Lubricate.
2) Inspect the switch for continuity with a tester.
If any abnormality is found, replace the front brake
light switch with a new one. Refer to "Front Master
Cylinder / Brake Lever Disassembly and Assembly:
".
Special tool
: 09900–25008 (Multi-circuit tester set)
Tester knob indication
Continuity ( )
Color
Terminal (B/G)
Position
OFF
ON
3) Connect the front brake light switch lead coupler.
B649G14104001
Terminal (B)
I649G1410004-02