2006 DODGE RAM SRT-10 Service Repair Manual

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Page 2497 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual page page
PUMP - SRT10
DIAGNOSIS AND TESTING - HYDRAULIC
FLOW AND PRESSURE ..................... 93
STANDARD PROCEDURE
INITIAL OPERATION ........................ 95
STANDARD PROCEDURE - FLUID COOLER
L

Page 2498 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual PUMP - SRT10
DIAGNOSIS AND TESTING - HYDRAULIC FLOW AND PRESSURE
The following procedures are used to test the operation of the power steering and hydraulic fan systems on this
vehicle. These tests wi

PUMP - SRT10
DIAGNOSIS AND TESTING - HYDRAULIC FLOW AND PRESSURE
The following procedures are used to test the operation of the power steering and hydraulic fan systems on this
vehicle. These tests will provide the gallons per minute (GPM) or flow rateof the power steering pump along with
the maximum relief pressure at given points in the system. Perform the first test anytime a power steering system
problem is present and the second as necessary once the first test is completed. These tests will determine if the
power steering pump, hydraulic fan, or power steering gear is not functioning properly. They will also determine if
the flow coming out of the hydraulic fan motor is sufficient for the power steering gear. The following pressure and
flow tests are performed using the Power Steering Analyzer kit 6815 (with appropriate hoses) and Adapter kit 9091.
(Refer to 19 - STEERING - SPECIAL TOOLS)
FLOW AND PRESSURE TEST - AT POWER STEERING PUMP
1. Check power steering belt to ensure it is in good
condition and adjusted properly.
2. Assemble Power Steering Analyzer as follows :
a. Gauge end (inlet) of Flow Meter And Gauge
6800 – Hose 6905, Hose 6713, Adapter Tube
9091-1
b. Valve end (outlet) of Flow Meter And Gauge
6800 – Hose 6959, Adapter Fitting 9091-3
3. Unthread pressure hose quick-connect fitting from
power steering pump.
4. Connect Adapter Tube 9091-1 to pressure fitting on
power steering pump.
5. Connect power steering pressure hose to Adapter
Fitting 9091-3.
6. Open Analyzer test valve completely.
7. Start engine and allow to idle long enough to circulate power steering fluid through Analyzer flow meter and
hoses.
8. Shut off engine and check fluid level; add fluid as necessary. Repeat Step7andStep8untilairisbledfrom
system.
9. Start engine and allow to idle.
10. Check Analyzer gauge pressure. Initial pressure reading should be 483-690 kPa (70-100 psi). If pressure is
higher, inspect hoses for restrictions and repair as necessary.
11. Increase engine speed to 1100 rpm and read Analyzer Flow Meter. The reading should be 2.6 GPM minimum.
If flow reading is below specification, replace power steering pump.

Page 2499 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual FLOW AND PRESSURE TEST - AT POWER STEERING GEAR
NOTE: This test should only be done if necessary
after completing the Pump Flow And Pressure Test
1. Remove Analyzer from pump and pressure hose to
fan.

FLOW AND PRESSURE TEST - AT POWER STEERING GEAR
NOTE: This test should only be done if necessary
after completing the Pump Flow And Pressure Test
1. Remove Analyzer from pump and pressure hose to
fan. Reattach pressure hose to pump.
2. Assemble Power Steering Analyzer as follows :
a. Gauge end (inlet) of Flow Meter And Gauge
6800 – Hose 6959, Adapter Fitting 9091-4
b. Valve end (outlet) of Flow Meter And Gauge
6800 – Hose 6905, Hose 6713, Adapter Tube
9091-2
3. Unthread pressure hose tube nut from power steer-
ing gear.
4. Connect power steering pressure hose to Adapter
Fitting 9091-4.
5. Connect Adapter Tube 9091-2 to power steering
gear.
6. Open Analyzer test valve completely.
7. Start engine and allow to idle long enough to circulate power steering fluid through Analyzer flow meter and
hoses.
8. Shut off engine and check fluid level; add fluid as necessary. Repeat Step7andStep8untilairisbledfrom
system.
9. Start engine and allow to idle.
10. Check Analyzer gauge pressure. Initial pressure reading should be 345-552 kPa (50-80 psi). If pressure is
higher, inspect hoses for restrictions and repair as necessary.
11. Increase engine speed to 1500 RPM and read Analyzer Flow Meter. The reading should be 2.4 - 2.8 GPM. If
flow reading is below specification, replace hydraulic fan.
CAUTION: This next step involves testing maximum fan motor steering relief pressure. Do not leave the
valve closed for more than three seconds.
12. Close Analyzer valve fully three times for three seconds each time and record highest pressure indicated on
Analyzer gauge each time. All three readings must be within fan motor steering relief pressure specifications.
13. Completely open test valve and turn steering wheel to the extreme left and right positions against stops. Record
the highest pressure readings at each position. If pressure readings are not within 50 psi from each other, the
gear is leaking internally and must be replaced.
PUMP OUTLET SPECIFICATIONS
ENGINE RELIEF PRESSURE FLOW RATE (GPM) @ 1100 RPM
ALL9653 kPa ± 345 kPa
(1400 psi ± 50 psi)2.4-2.8 GPM Minimum @ 1379 kPa (200
psi)
GEAR INLET SPECIFICATIONS
ENGINE RELIEF PRESSURE FLOW RATE (GPM) @ 1500 RPM
ALL9653 kPa ± 345 kPa
(1400 psi ± 50 psi)2.4-2.8 GPM Minimum @ 1379 kPa (200
psi)

Page 2500 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual STANDARD PROCEDURE
INITIAL OPERATION
WARNING: The fluid level should be checked with engine off to prevent injury from moving components.
NOTE: Remove as much of the old fluid out of the system as pos

Page 2501 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual STANDARD PROCEDURE - FLUID COOLER LINE QUICK CONNECT FITTING
DISASSEMBLY/ASSEMBLY
DISASSEMBLY
1. Remove dust cap (2) by pulling it straight back off
of quick connect fitting (1).
2. Place disconnect t

Page 2502 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual ASSEMBLY
1. Align fluid cooler line (3) with quick connect fitting
(1) while pushing straight into the fitting.
2. Push in on oil cooler line until a “click” is heard or
felt.
3. Slide dust cap (4

Page 2503 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual 7. Disconnect A/C clutch coil wire connector (2).
8. Remove return hose from radiator fan at power steering pump reservoir.
9. Remove return hose from fluid cooler at power steering pump reservoir.
10

Page 2504 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual INSTALLATION
1. Install power steering pump (5).
2. Install three power steering pump mounting bolts.
Tighten mounting bolts to 23 Nꞏm (200 in. lbs.)
torque.
3. Install return hose from fluid cooler

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