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HOMESERVICE MANUALSPONTIAC1997GRAND PRIX GTP, 4D SEDANREPAIR AND DIAGNOSISBRAKESANTI-LOCK BRAKE SYSTEM WITH TRACTION CONTROL SYSTEM - ABS-VIBLEEDING BRAKE SYSTEMPRESSURE BLEEDINGTCS MODULATOR ASSEMBLY
1997 Pontiac Grand Prix GTP, 4D Sedan

TCS Modulator Assembly

1997 Pontiac Grand Prix GTP, 4D SedanSECTION TCS Modulator Assembly
  1. Remove TCS modulator assembly bolt to bracket to access bleeder valves. Attach a clear hose to right side bleeder valve and submerge other end of hose in a container of clean brake fluid. Slowly open right side bleeder valve. Allow fluid to flow until no air bubbles are seen in hose. Close valve and repeat procedure for left side bleeder valve.
    CAUTION: DO NOT allow brake fluid to contact motor pack or electrical connectors. Premature failure of motor pack may result.
  2. To bleed modulator at brake pipe connections, position shop towel below brake pipes. Using flare wrench, slightly open right side brake pipe fitting at TCS modulator assembly. Allow air to escape and then tighten fitting. Bleed remaining brake pipe connections at TCS modulator assembly from right to left.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.