Removal Procedure

WARNING: This page is about a different car, the 2004 Saturn Ion Red Line, 2004 Saturn Ion 3, 2004 Saturn Ion 2, and 2004 Saturn Ion 1. However, it is still accessible from the selected car via links, so may be relevant.

Turn the ignition switch to the OFF position.
Clean the brake modulator assembly pipe fitting areas of any accumulated dirt and foreign material.
Disconnect the electrical connector from the electronic brake control module (EBCM).

Fig 1: View Of EBCM Electrical Connector

Courtesy of GENERAL MOTORS CORP.

Place a shop towel under the brake modulator assembly to catch any brake fluid loss.

IMPORTANT: Prior to disconnecting the brake pipes from the ABS modulator assembly, note the locations of the brake pipes to the valve assembly, to aid during installation.

Disconnect the caliper and wheel cylinder brake pipes (1) from the brake pressure modulator valve (BPMV).
Cap the brake pipe ends to prevent brake fluid loss and contamination.
Disconnect the master cylinder brake pipes (2) from the BPMV.

Fig 2: View Of Wheel & Master Cylinder Brake Pipes

Courtesy of GENERAL MOTORS CORP.

Cap the brake pipe ends to prevent brake fluid loss and contamination.
Plug the modulator brake pipe openings to prevent brake fluid loss and contamination.
Loosen the 2 insulator nuts (1) on the brake pressure modulator valve assembly.

Fig 3: Locating Insulator Nuts

Courtesy of GENERAL MOTORS CORP.

Remove the brake modulator assembly from modulator bracket by pulling straight up.