Grand Prix V6-3.8L SC VIN 1 (1997)
Brake Proportioning/Combination Valve: Service and Repair
Important: Do not wash proportioning valve in any cleaning solution. The internal components are prelubricated with a special grease.
REMOVE OR DISCONNECT
1. ABS hydraulic modulator/master cylinder.
2. Master cylinder reservoir.
3. Proportioning valve caps.
4. 0-rings.
5. Springs.
6. Proportioning valve pistons.
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Use needlenose pliers with care not to scratch or otherwise damage piston stems.
