GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Saturn 🢒 2001 🢒 SL 🢒 Brakes 🢒 Antilock Brake System 🢒 Brake Pressure Modulator Valve Replacement

Removal Procedure

    Object Number: 869617 Size: SH
  1. Remove the air cleaner housing cover and the air induction hose at the throttle body.

    2. Object Number: 865817 Size: SH
  2. Remove two powertrain control module (PCM) bolts.
  3. Disconnect the PCM I/P harness electrical connector.
  4. Lift the PCM from the carrier and set aside.
  5. Disconnect the brake fluid level switch connector.

    6. Object Number: 866340 Size: SH
  6. Disconnect the control module electrical connector by pulling on the lock tab.


    7. Object Number: 872115 Size: SH

    Notice: Clean brake pipe fittings to prevent contaminants entering ABS system. Place shop cloth underneath brake pipes to catch dripping brake fluid.

  7. Disconnect the brake pipe nuts from the brake pressure modulator valve.

    8. Notice: Take care in not to pull or bend brake pipes away from pressure modulator valve.

    Notice: Plug open brake pipes to prevent brake fluid loss and contamination.

  8. Remove ABS control assembly-to-rail attachment bolt.

    9. Object Number: 872129 Size: SH
  9. Pull ABS assembly forward to disengage the tab from the bracket, then remove from the vehicle.

Disassembly Procedure

    Object Number: 872158 Size: SH
  1. Use Saturn Brake Cleaner (or equivalent) to clean brake fluid from ABS control assembly.
  2. Place Electro-Static Discharge (ESD) Pad on clean bench and connect ground strap to ground connection on work bench.
  3. Put ESD wrist strap on and attach ground strap to same ground used for ESD pad.
  4. Remove 4 screws from the control module.
  5. Separate the control module from the valve assembly by pulling straight back.

Assembly Procedure

    Object Number: 866344 Size: SH
  1. Align coils on the control module with valve cores on the valve assembly and push together.
  2. Inspect the gasket on the control module for damage. If the gasket is damaged, refer to ABS Control Module (EBTCM) Gasket Repair .
  3. Install and torque the 4 screws to the control module.

    4. Tighten
    Tighten the control module-to-valve assembly screws to 4-6 N·m (35-53 lb in).