flow test is performed using Pressure/Flow Tester,
Special Tool 6815 (Fig. 3).
POWER STEERING PUMP FLOW AND
PRESSURE TEST PROCEDURE
(1) Check power steering pump drive belt tension
and adjust as necessary.
(2) Disconnect power steering fluid pressure hose
(Fig. 4), at power steering pump. Use a container for
dripping fluid.
(3) Connect inlet hose on Pressure Gauge, Special
Tool 6815 using required adapter, to the pressure fit-
ting on the power steering pump. Connect the pres-
sure hose which was removed from the power
steering pump, using required adapter fitting, to the
outlet port of Pressure Gauge, Special Tool 6815.
Pressure Gauge, Special Tool 6815 is to be
installed in series with power steering pressure
hose, between power steering pump and steer-
ing gear. It must also be installed so it is in cor-
rect direction of the fluid flow.
(4) Completely open valve on Special Tool 6815.
(5) Start engine and let idle long enough to circu-
late power steering fluid through flow/pressure test
and get air out of fluid. Then shut off engine.
(6) Check power steering fluid level, and add fluid
as necessary. Start engine again and let idle.
(7) Pressure gauge should read below 862 kPa
(125 psi), if above, inspect the hoses for restrictions
and repair as necessary. The initial pressure reading
should be in the range of 345-552 kPa (50-80 psi).
The flow meter should read between 1.3 and 1.4
GPM
CAUTION:
The following test procedure involves
testing power steering pump maximum pressure
output and flow control valve operation. Do not
leave valve closed for more than 5 seconds as the
pump could be damaged.
(8) Close valve fully three times and record high-
est pressure indicated each time. All three read-
ings must be above specifications and within
345 kPa (50 psi) of each other.
NOTE:
Power steering pump maximum relief pres-
sure is 8240 to 8920 kPa (1195 to 1293 psi.).
•
If power steering pump pressures above specifi-
cations but not within 345 kPa (50 psi) of each other,
then replace power steering pump.
•
If pressures within 345 kPa (50 psi) of each
other but below specifications, then replace power
steering pump.
CAUTION:
Do not force the pump to operate
against the stops for more than 5 seconds at a time
because, pump damage will result.
(9) Open test valve. Turn steering wheel to the
extreme left and right positions until against the
stops, recording the highest indicated pressure at
each position. Compare pressure gauge readings to
power steering pump specifications. If highest output
pressures are not the same against either stop, the
steering gear is leaking internally and must be
replaced.
SERVICE PROCEDURES
POWER STEERING SYSTEM FLUID LEVEL CHECK
WARNING:
FLUID LEVEL SHOULD BE CHECKED
WITH ENGINE OFF TO PREVENT INJURY FROM
MOVING PARTS. DO NOT USE AUTOMATIC TRANS-
MISSION FLUID IN THE POWER STEERING SYS-
TEM. DO NOT OVERFILL THE POWER STEERING
SYSTEM.
Fig. 3 Power Steering Pump Flow/PressureTester
ADAPTER
FIT-
TINGS
SPECIAL
TOOL
6815
Fig. 4 Power Steering Pump Pressure Hose
POWER STEERING PUMP
POWER
STEERING
PUMP
PRESSURE HOSE
19 - 12
STEERING
JA
DIAGNOSIS AND TESTING (Continued)
Summary of Contents for Stratus LHD 1997
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Page 1287: ...SPECIFICATIONS SUNROOF COMPONENTS 23 16 BODY JA ...
Page 1318: ...SPECIAL TOOLS BODY REMOVER MOLDINGS C 4829 STICK TRIM C4755 JA BODY 23 47 ...
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Page 1401: ...FASTENER IDENTIFICATION 6 INTRODUCTION JA GENERAL INFORMATION Continued ...
Page 1404: ...METRIC CONVERSION JA INTRODUCTION 9 GENERAL INFORMATION Continued ...
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