Hydraulic System - Operation, Component Functions: Overview
90jaguar01HYDRAULIC SYSTEM SECTION: 66
No: 11
Model: SEDANS Date: JANUARY, 1990
KEY POINTS: HYDRAULIC SYSTEM DESCRIPTION This TSB has been updated by TSB # 6611R, dated 03/01/90.
This bulletin describes the powered hydraulic system operation and component functions. Diagnostic techniques and repair procedures are also included.
The following hydraulic system service conditions may occur on sedan range vehicles:
^ Rear strut knocking
^ Extended "groan" noise during down leveling
^ Brief "grunt" noise after brake accumulator recharging
^ Rear strut leakage
Hydraulic system components/operation is as follows:
SYSTEM COMPONENTS:
^ Ride Level Sensor
^ Rear Struts
^ Suspension Relay
^ Hydraulic Pump
^ HSMO Reservoir
^ Solenoid Valve Block (including Charge Solenoid Valve, Up Solenoid Valve, Down Solenoid Valve)
1988 and 1989 models also include:
^ Brake Accumulator
^ Charge Switch
^ Low Pressure Warning Switch