Chrysler Neon 1995-1999 Repair Guide

Proportioning Valves

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REMOVAL & INSTALLATION



Bendix ABX-4 System

See Figure 1

You do not have to remove the HCU when replacing the proportioning valves.

  1. Disconnect the negative battery cable.
  2.  
  3. Disconnect the brake line fitting from the faulty proportioning valve in the HCU.
  4.  
  5. Unscrew and remove the proportioning valve requiring replaced from the HCU.
  6.  



Click image to see an enlarged view

Fig. Fig. 1: Location of the rear wheel proportioning valve on the HCU

To install:
  1. Lubricate the O-ring seal on the new proportioning valve with clean brake fluid, from a fresh sealed container.
  2.  
  3. Install the proportioning valve in the HCU and hand-tighten it until it is fully installed and the O-ring seal is seated in the HCU. Then, tighten the valve to 30 ft. lbs. (40 Nm).
  4.  
  5. Connect the brake line to the proportioning valve and tighten the line nut to 12.5 ft. lbs. (17 Nm).
  6.  
  7. Bleed the base brake system in the usual fashion.
  8.  

Teves Mark 20 System

See Figure 2

Never attempt to disassemble a proportioning valve.

  1. Raise and safely support the vehicle.
  2.  
  3. Remove the chassis brake tube nuts from the proportioning valve controlling the rear wheel of the vehicle which has premature wheel skid.
  4.  
  5. Remove the proportioning valve from the chassis brake tube.
  6.  



Click image to see an enlarged view

Fig. Fig. 2: Location of the proportioning valve on the Teves Mark 20 system

To install:
  1. Install the proportioning valve in the chassis brake tube.
  2.  
  3. Tighten the 2 chassis brake tube nuts to 12.5 ft. lbs. (17 Nm).
  4.  
  5. Bleed the affected brake line, as outlined in this section.
  6.  

 
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