TIBURON(GK) > 2003 > G 2.7 V6 DOHC > Brake System > Brake System > Proportioning Valve > Repair
procedures, TIBURON(GK) > 2003 > G 2.7 V6 DOHC > Brake System > Brake System > Proportioning
Valve > Repair procedures
1. Install the master cylinder according to the illustration.
2. Tighten the flare nuts and bleed the system.
Tightening torque
Brake tube flare nut:
13~17 Nm (130~170 kgf·cm, 9~12 lbf·ft)
Proportioning valve mounting nut:
35~55 Nm (350~550 kgf·cm, 30~40 lbf·ft)
1. Connect two pressure gauges; one to the input side, and one to the output side.
Be sure to bleed the system after connecting the pressure gauges.
2. With the brakes applied, measure the input pressure and the output pressure. If the measured pressures are
within the specified range as illustrated, theproportioning valve is good.
3. Reconnect the brake lines in their original positions and bleed the system.
This figure shows characteristics of the proportioning valve as the pressure incrases.
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