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2005 Chrysler Pacifica no brake pressure

jason293939jason293939 Member Posts: 2
edited March 2015 in Chrysler
Have a 2005 Pacifica that was a rear end hit. We replaced the left rear hub assy. After bleeding the brakes we still have no pedal pressure. their is no air in the lines but very little caliper pressure to rear wheels.Any suggestions?
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  • Mr_ShiftrightMr_Shiftright Member Posts: 64,481
    You generally have to bleed the ABS part of the brake system using a scanner.

    1. Bleed the base brake system using the standard pressure or manual bleeding procedure.
    2 Using the scan tool, select ANTILOCK BRAKES, followed by MISCELLANEOUS, then BLEED BRAKES. Follow the instructions displayed. When the scan tool displays TEST COMPLETED, disconnect the scan tool and proceed.
    3 Bleed the base brake system a second time. Check brake fluid level in the reservoir periodically to prevent emptying, causing air to enter the hydraulic system.
    4 Fill the master cylinder reservoir to the full level.
    5 Test drive the vehicle to be sure the brakes are operating correctly and that the brake pedal does not feel spongy.
  • jason293939jason293939 Member Posts: 2
    I put my scan tool on and found bleed brakes routine and manual procedure i read both and it say's nothing about turning anything off for abs just tells me to go through normal procedure. I have tried a power bleeder. I have tried gravity bleeding.
  • Mr_ShiftrightMr_Shiftright Member Posts: 64,481
    edited March 2015
    So you got the "test completed" signal from the scanner and did a before and after bleed as well?
  • thecardoc3thecardoc3 Member Posts: 5,848
    edited March 2015
    Can you get all four wheels off of the ground at the same time? If you can, safely, then do this routine and tell us what you found.

    First put the transmission in neutral. At the left front wheel start turning the wheel while the assistant starts pressing on the brake pedal. The assistant needs to slowly push the pedal further, and further until it either reaches the floor or they are able to stop you from turning the wheel. If they stop you from turning the wheel have them memorize how far they pushed the pedal to do so. Now repeat at the right front wheel. Did they stop you? Did they reach the floor first? Now repeat at each of the rear wheels. This will tell me if you are able to apply any of the brakes.

    What components of the brake system did you have removed while this was being repaired?
    Did the master cylinder reservoir go completely empty?
    If you had both rear calipers off, where are the bleeder screws. At the tops or the bottoms of the calipers?
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