Altima 2.5 SL L4-2.5L (QR25DE) (2002)
Brake Proportioning/Combination Valve: Testing and Inspection
Inspection
CAUTION:
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Carefully monitor brake fluid level at master cylinder.
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Use new brake fluid "DOT 3".
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Be careful not to splash brake fluid on painted areas; it may cause paint damage. If brake fluid is splashed on paint areas, wash it away with water
immediately.
1. Connect Tool to air bleeders of front and rear brakes on either LH and RH side.
2. Bleed air from the Tool.
3. Check fluid pressure by depressing brake pedal.
Applied pressure: 7,355 kPa (75 kg/cm2, 1,067 psi) (Front brake)
Output pressure: 5,100 - 5,492 kPa (52 - 56 kg/cm2, 739 - 796 psi) (Rear brake)
If output pressure is out of specification, replace dual proportioning valve.
4. Bleed air after disconnecting the Tool. Refer to Brake Bleeding; Service and Repair.