Four Wheel ABS Brake Tube Replacement Procedure

1. The chart above identifies which brake tubes and attaching brackets should be installed to provide the proper clearance between the intermediate shaft the brake tubes.

2. Apply the brakes slightly and install a brake pedal prop.

3. Disconnect the RWAL valve electrical connector.





4. Disconnect both right and left front brake tubes at the hydraulic control unit (Figure 2).

5. Disconnect the brake tube fitting at the RWAL valve.

6. Disconnect the brake tube fittings at both front and rear junction blocks on the left frame rail.

7. Disconnect the brake tube fitting at the left front brake tube flex hose.

8. Remove and discard the brake tubes that were attached to the RWAL valve and the hydraulic control unit.

9. Connect the RWAL valve electrical connector.

10. Install new brake tube, p/n 52009330, into the front port of the hydraulic control unit and into the forward junction block at the frame rail.

11. Install new brake tube, p/n 52009231, into the rear port of the hydraulic control unit and into the left front brake tube flex hose.

12. Install new brake tube (p/n 52009229 for vacuum boost power brake systems or p/n 52009655AA for hydroboost power brake systems) onto the RWAL valve and into the rear junction block located on the left frame rail.

13. Install the 3-way brake line bracket and clip (p/n 52009441) onto the RWAL valve stud. Secure the bracket with attaching nut p/n 06101675. Then install the brake tubes into the clip.

14. Install two 2-way brake line clips, p/n 52008940, between the 3-way brake line bracket and clip the hydraulic control unit. One clip should be spaced approximately three inches away from the hydraulic control unit and the other approximately three inches forward of the 3-way brake line bracket and clip.

15. Attach the 3-way brake tube support clip, p/n 52009437, to the brake tubes located on the top of the left frame rail.

16. Attach the 3-way brake line clip, p/n 52009163, to the brake tubes approximately 7 - 8 inches reward of the 3-way brake line bracket and clip.

17. Tighten and torque all brake tube fittings to 20 Nm (178 in. lbs.).

18. Remove the brake pedal prop.

19. Bleed the brakes using the procedures stated in the 1997 Ram Truck Service Manual (Publication No. 81-370-7108), pages 5-15 and 5-16.

20. Fill the master cylinder with Mopar Dot 3 Brake Fluid, p/n 04318080.

21. Verify that there is proper clearance between the intermediate shaft and the brake lines by turning the steering wheel completely to the left then to the right. Visually inspect the intermediate shaft while turning the steering wheel to ensure that the intermediate shaft does not contact the brake lines at any time.