New Yorker V6-181 2972cc 3.0L SOHC VIN 3 FI (1989)
Brake Fluid Accumulator: Customer Interest
ABS/Brakes - Warning Lamps ON, ABS Motor Cycles
Models
1988-89 C/AC Body With Anti-Lock Brakes
Subject
Hydraulic Assembly Accumulator Replacement
Index
BRAKES
Date
June 5, 1989
No.
05-02-89
(C05-06)
P-2168
BODY CODE LEGEND
C/AC - DYNASTY/NEW YORKER/LANDAU
SYMPTOM/CONDITION
The Vehicle must exhibit ALL of the following symptoms:
1.
BRAKE and ANTI-LOCK warning lamp illuminates during brake pedal application and extinguishes a few seconds later. If vehicle is in motion as
the warning lights extinguish, a series of clicks can be heard as the system goes through its self check.
2.
ABS Pump/Motor cycles for 1-2 seconds on every brake pedal application.
3.
No fault codes are stored.
DIAGNOSIS
1.
Confirm ALL symptoms above.
2.
Turn ignition off and discharge the Hydraulic Accumulator by pumping the brake pedal AT LEAST 25 times.
3.
Install hydraulic pressure tester (Tool # MST-6163).
4.
Turn ignition on and note the initial pressure reading. This is the accumulator precharge pressure.
5.
If accumulator precharge is below 500 psi, replacement of the accumulator is necessary.
WARNING:
BEFORE REMOVING THE PRESSURE TESTER, TURN THE IGNITION OFF AND DISCHARGE THE
HYDRAULIC ACCUMULATOR BY PUMPING THE PEDAL AT LEAST 25 TIMES.
Use the following procedure to replace the accumulator.
PARTS REQUIRED
1
Accumulator Package
P/N 4509005
REPAIR PROCEDURE
Replacement of the Hydraulic Accumulator requires removal of the Hydraulic Assembly from the vehicle. DO NOT ATTEMPT TO REPLACE THE
ACCUMULATOR WITH THE HYDRAULIC ASSEMBLY INSTALLED IN THE VEHICLE.
