Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2004 Toyota Matrix Base, FWD, AutomaticFACTORY OEM SERVICE PROCEDURE

Proportioning Valve ASSY: Replacement

REMOVE PROPORTIONING VALVE ASSY
1. Using SST, disconnect the 5 brake tubes from the proportioning valve assy.
  SST 09023-00100
  
  Fig 1: Disconnecting 5 Brake Tubes From Proportioning Valve Assy
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the 2 bolts and proportioning valve assy from the body.
  
  Fig 2: Removing Bolts And Proportioning Valve Assy From Body
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL PROPORTIONING VALVE ASSY
1. Install the proportioning valve assy with the 2 bolts.
  Torque: 5.4 N.m (55 kgf.cm, 48 in.lbf)
  
  Fig 3: Installing Proportioning Valve Assy
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Using SST, connect the 5 brake tubes to the proportioning valve assy.
  SST 09023-00100
  
  Torque: 15.2 N.m (155 kgf.cm, 11 ft.lbf)
  
  Fig 4: Connecting Brake Tubes To Proportioning Valve Assy
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
FILL RESERVOIR WITH BRAKE FLUID
BLEED MASTER CYLINDER (See BRAKE FLUID )
SST 09023-00100
BLEED BRAKE LINE (See BRAKE FLUID )
CHECK FLUID LEVEL IN RESERVOIR

Factory Service Tools

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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.