Question about Chrysler New Yorker

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The ABS warning Light on my 1993 Chrysler New Yorker Fifth avenue, 6v 3.8 engine stays on, what is the problem and how can this be corrected/

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  • mitchjere Sep 22, 2010

    Rick Keffer Chrysler Dealer in Yulee FL 32097 Performed the test to determine whether the ABS warning light problem was covered under recall #685. The technical Rep stated there wouldn't be a cost if the problem was covered by Recall. The test revealed a problem with the Pump/Motor. He stated that the Accumulator had a pin hole leak and leaked on the pump motor causing the problem. He agreed to replace the Pump Motor but to replace the Accumulator would cost $500. plus $105 for the test. Also, It would take 2/3 weeks to get the parts. I contacted the Chrysler Parts Center, the parts are in stock and cost less. I would like to know what is the Accumulator? a ABS Brake Technician and the Chrysler Parts CenterRep do not understand what they are talking about, it doesn't make sense. Why should I pay for the test when it was required to determine the cause of the problem and the part is part of the recall. What can I doto correct the problems, What is Chrysler Corporation phone number to repdrt my issues.



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There is a recall for the same. Contact dealer to get more information. The information for the same below :-

o: All Dodge, Chrysler-Plymouth and Jeep®/Eagle Dealers
Subject: Safety Recall #685 -- ABS Actuator Piston and Pump/Motor Assemblies


Vehicles Listed Below Equipped With a Bendix-10 Antilock Brake System:

• 1991 Through 1993 Model Year Dodge Caravan/Grand Caravan; Plymouth Voyager/Grand Voyager; and Chrysler Town & Country (AS)

• Late-1990 Through 1993 Model Year Dodge Dynasty; Chrysler New Yorker, Salon (AC), Fifth Avenue and Imperial (AY)

• 1991 and 1992 Model Year Eagle Premier and Dodge Monaco (BB)

Note: 1990 vehicles built through March 26,1990 (MDH 0326XX) are equipped with a Bosch antilock brake system, and therefore, are not included in this recall or the extended warranty.

A small number of the involved vehicles may experience ABS hydraulic control unit actuator piston seal wear and/or hydraulic pump/motor deterioration. To correct this condition, the ABS system must be tested and the actuator pistons and/or pump/motor replaced if necessary. If testing determines other ABS components are faulty, repairs are to be performed using the revised service and diagnostic procedures manual (81-699-96086) and existing parts. Submit a separate warranty claim using the existing labor operation numbers.

IMPORTANT: Some of the involved vehicles may be in dealer used vehicle inventory. Be sure to complete this recall service on these vehicles before retail delivery. Dealers should perform this recall on vehicles in for service as determined by using DIAL System Function 70 or VIP.

Details of this service action are explained in the following sections.
Service Procedure Videotape

No videotape of the service procedure for this recall will be provided.
Dealer Notification & Vehicle List

Involved dealers: Each dealer to whom involved vehicles were invoiced (or the current dealer at the same street address) will receive a copy of this dealer recall notification letter and a list of the involved vehicles by first class mail.

The Vehicle List is arranged in Vehicle Identification Number (VlN) sequence. Owners known to Chrysler are also listed. The lists are for dealer reference in arranging for service of involved vehicles.

All other dealers: Each Dodge, Chrysler-Plymouth and Jeep/Eagle dealer who does not receive a Vehicle List will receive a copy of this dealer recall notification letter by first class mail.
DIAL System Functions 53, 70 and VIP

All involved vehicles will be entered to DIAL System Functions 53, 70 and VIP at the time of recall implementation for dealer inquiry by VIN as needed.

Important: Due to the small number of vehicles expected to require repair, no parts will be distributed initially to dealers. Dealers are requested to order Actuator Piston Assembly packages through normal methods only for scheduled repairs. Dealers must contact the STAR Center (1-800-850-STAR Ext. 5) to order Pump/Motor Assemblies. The technician must perform the ABS diagnostic tests prior to contacting the STAR Center and have the results available for review.

Refer to the table below for the appropriate actuator piston assembly package and/or pump/motor assembly:



Actuator Piston



Assembly PN

Package PN


Caravan, Grand Caravan, Voyager, Grand Voyager, Town & Country

Continue ....

Posted on Sep 16, 2010

  • 2 more comments 
  • taran_2005
    taran_2005 Sep 16, 2010

    Continue :-








    Dynasty, New Yorker, Salon, Fifth Avenue, Imperial








    Premier, Monaco







    Each Actuator Piston Assembly Package includes:

    1 -- Primary Piston Assembly

    1 -- Clip, Hydraulic Assembly Push Rod (4294036)*

    1 -- Secondary Piston Assembly

    1 -- Gasket, Hydraulic Assembly Mounting (4485527)*

    1 -- Snap Ring

    1 -- Long Handle Cleaning Aid and Lint Free Cloth

    *Hydraulic assembly push rod clips and gaskets for NON-REMANUFACTURED Actuator Piston Packages must be ordered separately.
    Owner Notification and Service Scheduling

    All involved vehicle owners known to Chrysler are being notified of the service requirement by first class mail. They are requested to schedule appointments for the service with their dealers only if specific symptoms occur. A copy of the owner notification letter is attached.

    Enclosed with each owner notification is an Owner Notification Form. The involved vehicle and recall are identified on the form for owner or dealer reference as needed.
    Service Procedure

    1. Test ABS for Proper Operation:
    1. Connect the DRB Scan Tool to the Data Link Connector (DLC). Be sure to use the appropriate connecting cables for the DRB Scan Tool (Il or Ill) that you are using. Be sure that the DRB contains the latest software and a Super Cartridge or Supercard if necessary.
    2. With the DRB Scan Tool, read, record and then erase all Bendix ABS Diagnostic Trouble Codes (DTC's).

    NOTE: The ignition key must be turned to the OFF position after erasing DTC's to ensure that all DTC's are properly erased inside the Controller - Antilock Brake (CAB).
    3. With the ignition key in the ON position, monitor the DTC display for four minutes.
    * If any DTC's are displayed, they must be diagnosed and repaired in the order that they are listed on page 221 of the Bendix Antilock 9 & 10 Service and Diagnostic Procedures Manual (81-699-96086).
    * If no DTC's are displayed, continue with Step 4.
    4. With the ignition key in the OFF position, pump the brake pedal a minimum of 40 times using about 50 lbs (222 N) of pedal force. A noticeable change in the pedal feel will occur when the accumulators are discharged.


  • taran_2005
    taran_2005 Sep 16, 2010

    Continue ...

    WARNING: Brake system is under extreme pressure. The hydraulic control unit (HCU) may be charged with hydraulic pressure up to 2200 psi. Failure to de-pressurize the accumulators could result in personal injury and/or damage to painted surfaces. Wear safety goggles when disconnecting system fluid lines.
    2. When a definite increase in pedal pressure is felt, pump the pedal a few additional times to ensure removal of all hydraulic pressure from the brake system.
    3. Remove the windshield washer fluid bottle, if necessary.
    4. Disconnect the two 10-way electrical connectors from the HCU and the test fixture.
    5. Remove the high pressure hose fitting from the test fixture and then remove the test fixture from the HCU.
    6. Disconnect the pump supply (low pressure) hose from the HCU or pump supply filter.
    7. Cap all openings on brake fluid reservoir and HCU.
    8. Disconnect the four brake tubes from the HCU.
    9. Remove the instrument panel sight shield from below the steering column, if necessary.
    10. From under the instrument panel, remove the retainer clip from the brake pedal pin. Discard the old retainer clip, a new clip must be used when the HCU is reinstalled.
    11. Remove the four (4) HCU mounting nuts from the HCU studs, located under the instrument panel.
    12. For AS body vehicles, disconnect the throttle position sensor (TPS) electrical connector.
    13. Remove the HCU from the vehicle.
    14. Remove as much brake fluid as possible from the HCU reservoir.
    15. Secure the HCU by its bracket extension in a vice. Do not over tighten.
    16. Remove the flange gasket from the HCU mounting bracket or the dash panel.
    17. Loosen the mounting bracket from the HCU assembly enough to separate the black dust boot from the master cylinder housing, then tighten the bracket.
    18. Turn the dust boot inside out and pull out of the way. Then, place a 1/2" box end wrench over a lower mounting stud (Figure 5). Place a nut on the stud and fully engage all threads. Align the wrench with the input rod bearing.
    19. Push in on the wrench against the input rod bearing, moving the bearing inward approximately 1/4" to relieve the bearing load from the snap ring.
    20. While holding the piston in, rotate the snap ring so one end is near the 12 o'clock position. Place a small screwdriver in the 12 o'clock keyway in the actuator bore (Figure 5). Pry the snap ring down and out of the groove with the screwdriver and pull the snap ring out of the end of the actuator.

    NOTE: It may be helpful to have a screwdriver with a bent tip to remove the snap ring.
    21. Slowly release the wrench from the bearing, allowing the primary piston to pop out of the actuator. Catch any fluid from the master cylinder in a suitable container.
    22. Slowly pull the primary piston assembly out of the actuator bore. Keep the assembly as straight as possible. Do not pull forcefully. If piston catches in the bore, push the piston back into the bore a short distance to align it, then try to remove it again.

    NOTE: If the piston will not come out of the bore, the actuator housing must be replaced.
    23. Remove the HCU from the vice and place it, stud side down, lint-free bench surface.
    24. Place a cloth over the outlet ports of the assembly. While holding the cloth, apply compressed air pressure (regulated to about 20 psi) to the front of the actuator to remove the secondary piston assembly from the bore (Figure 6).
    25. Place the HCU back into the vice and clamp securely.
    26. Using the provided long handle cleaning aid and lint-free cloth, apply clean brake fluid, which conforms to DOT 3 specifications, to the cloth and thoroughly clean the bore of the HCU. Wipe the entire circumference of the bore and work any particles toward the open end of the bore. Flush the bore, after wiping, with clean brake fluid.
    27. Lubricate the cup seals, flat ring seals and O-rings of the new piston assemblies with clean brake fluid.
    28. Install the secondary piston assembly, spring end first, into the actuator. Make sure that the cup seal is not folded back or twisted. Push the secondary piston in until the rear of the piston is flush with the actuator bore opening (Figure 7).
    29. Position the caged spring at the end of the primary piston assembly over the pin on the rear of the secondary piston assembly (Figure 7).
    30. Slowly push both piston assemblies into the actuator bore.

    CAUTION: Do not cut, nick or twist any seals or the unit will not function properly.
    31. Place the provided snap ring over the actuator push rod and bearing.
    32. Push the piston assemblies all the way into the bore.
    33. Place a 1/2" box end wrench over a lower mounting stud (Figure 8). Place a nut on the stud and fully engage all threads. Align the wrench with the input rod bearing.
    34. Push in on the wrench against the bearing, moving the bearing inward approximately 1/4" to compress the springs, until the shoulder of the bearing is past the snap ring groove.
    35. Rotate the HCU so that the bore keyway is at the top (12 o'clock) position.
    36. Position the snap ring so that one end is in the 10 o'clock position and the other end is at the 8 o'clock position. The snap ring must cover the keyway.
    37. Place the 10 o'clock end of the snap ring into the snap ring groove. Then, using a flat blade screwdriver, push the snap ring into the groove, working in a clockwise direction. Make sure the entire snap ring is completely seated in the groove.
    38. Slowly release the wrench, and then remove the nut and wrench from the HCU lower stud.
    39. Loosen the mounting bracket from the HCU. Install the rubber dust boot over the HCU bore flange and seat the retaining ring into the groove. Tighten the mounting bracket.
    40. Rotate the push rod into the position shown in Figure 9, then install the HCU in the vehicle using the provided gasket.
    41. Install the four HCU stud nuts and tighten to 21 ft-lbs (28 N•m).
    42. Coat the surface of the brake pedal pin with lubriplate or equivalent.
    43. Connect the push rod to the pedal pin and install the provided retainer clip. Make sure that the brake light switch is properly adjusted.


  • taran_2005
    taran_2005 Sep 16, 2010

    Continue ...

    9. Disconnect all electrical connectors (including pump/motor) that run across the engine compartment in the area around the pump/motor assembly high and low pressure hoses.
    10. Remove the pump/motor assembly front heat shield to mounting bracket bolt. Remove the heat shield from the pump/motor assembly (Figure 12).
    11. Lift pump/motor assembly from mounting bracket and remove from vehicle.
    12. Remove high and low pressure hoses from pump/motor assembly.
    13. Lubricate the high and low pressure hose O-rings with clean brake fluid and position on new pump/motor assembly. Tighten banjo bolt to 124 in-lbs (14 N•m).
    14. Position new pump/motor assembly in mounting bracket.
    15. Position heat shield over pump/motor on mounting bracket and install attaching bolt.
    16. Remove caps from reservoir and HCU openings.
    17. Attach high pressure hose to HCU and tighten fitting to 145 in-lbs (16 N•m).
    18. Connect low pressure hose to HCU and tighten clamp to 10 in-lbs (1 N•m).
    19. Connect pump/motor assembly wiring harness to underhood wiring harness.
    20. Reconnect all underhood wiring connectors.
    21. Reconnect all routing clips that secure the high and/or low pressure hoses to the body or other components.
    22. Proceed to Section D.

    ....It's a complete bulletin.

    Let me know,if needed further assistance.

    Hope i helped you.

    Thanks for using ' Fixya ' and have a nice day!!

  • taran_2005
    taran_2005 Sep 22, 2010

    Thanks for your response!!

    Regarding the contact information, you could refer to :-


    Regarding accumulator, are you talking about accumulator in it's air conditioning system or ????Accumulator is a term which could be used for any substance that could save energy i.e battery etc....

    Let me know some more details, so that i could pull up more information for you.

    Hope i helped you.

    Thanks for using ' Fixya ' and have a nice day!!



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