LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Pontiac >> 2001 >> Aztek Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1533 (Hydraulic Brake System) >> Repair Instructions >> Proportioning Valve Replacement >> Installation Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Installation Procedure

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Removing/Installing Proportioning Valve Assembly
    GM926605Courtesy of GENERAL MOTORS CORP.
  1. Install the proportioning valve assembly to the vehicle.
  2. NOTE: Refer to Fastener Notice .
  3. Install the proportioning valve assembly bracket mounting bolts.

    Tighten:  Tighten the bolts to 12 N.m (9 lb ft).

  4. Fig 2: View Of Brake Pipes At Proportioning Valve Assembly
    GM931398Courtesy of GENERAL MOTORS CORP.
  5. Remove the plugs from the proportioning valve assembly ports.
  6. Remove the caps or plugs from the master cylinder brake pipe ends.
  7. Connect the master cylinder brake pipes to the proportioning valve assembly.
  8. Tighten the brake pipe fittings at the proportioning valve assembly.

    Tighten:  Tighten the fittings to 18 N.m (13 lb ft).

  9. Remove the caps or plugs from the caliper and wheel cylinder brake pipe ends.
  10. Connect the caliper and wheel cylinder brake pipes to the proportioning valve assembly.
  11. Tighten the brake pipe fittings at the proportioning valve assembly.

    Tighten:  Tighten the fittings to 18 N.m (13 lb ft).

  12. Remove the shop towel and discard into an approved container.
  13. Fig 3: Removing/Installing Transaxle Control Module (TCM)
    GM931336Courtesy of GENERAL MOTORS CORP.
  14. Reposition the TCM if equipped to the bracket. Refer to Transmission Control Module Replacement (2.2L (L61)) or Transmission Control Module Replacement (2.4L (LAT)) for the 4T45-E transaxle.
  15. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding (Pressure)  or Hydraulic Brake System Bleeding (Manual) .