1

Check the oil level.

Is the oil level low?

--

Go to Step 2

Go to Step 3

1. Inspect the power steering system for leaks. Refer to Locating Fluid Leaks .
2. Repair any leaks that you find.
3. Fill the power steering fluid reservoir:

3.1.	Stop the engine.

3.2.	Add the power steering fluid. Refer to Fluid and Lubricant Recommendations in General Information.

3.3.	Fill the reservoir to the proper fill level shown on the dipstick.

Does the oil pressure continue to be low?

--

Go to step 3

System OK

Check the pump drive belt.

Is the pump drive belt slipping?

--

Go to Step 4

Go to Step 5

Inspect the drive belt tensioner. Refer to Drive Belt Diagnosis in Engine Mechanical

Does the oil pressure continue to be low?

--

Go to Step 5

System OK

Check the flow control valve.

Is the flow control valve stuck or inoperative?

--

Go to Step 6

Go to Step 7

Clean the flow control valve. Replace the flow control valve, if necessary.

Does the oil pressure continue to be low?

--

Go to Step 7

System OK

Check for air in the oil.

Is air in the oil?

--

Go to Step 8

Go to Step 9

Locate the source of the leak. Correct the leak. Bleed the power steering system. Refer to Power Steering System Bleeding

Does the oil pressure continue to be low?

--

Go to Step 9

System OK

Check the power steering hoses.

Are the power steering hoses damaged?

--

Go to Step 10

Go to Step 11

Replace the power steering hoses as necessary.

Does the oil pressure continue to be low?

--

Go to Step 11

System OK

Check the power steering gear.

Is the power steering gear damaged?

--

Go to Step 12

Go to Step 13

Replace the gear as necessary.

Does the oil pressure continue to be low?

--

Go to Step 13

System OK

Check the vanes.

Are the vanes installed properly?

--

Go to Step 15

Go to Step 14

Install the vanes properly. Install the vanes with the radius edge to the outside.

Does the oil pressure continue to be low?

--

Go to Step 15

System OK

Check the vanes.

Are the vanes sticking in the rotor slots?

--

Go to Step 16

Go to Step 17

Remove any burrs, varnish, or dirt.

Does the oil pressure continue to be low?

--

Go to Step 17

System OK

Check the pressure plate.

Is the pressure plate flat against the cam ring?

--

Go to Step 19

Go to Step 18

Replace the pressure plate.

Does the oil pressure continue to be low?

--

Go to Step 19

System OK

Check the cam ring.

Is the cam ring extremely worn?

--

Go to Step 20

Go to Step 21

Replace the worm cam ring. Flush the power steering system. Refer to Power Steering System Bleeding .

Does the oil pressure continue to be low?

--

Go to Step 21

System OK

Check the pressure plate.

Is the pressure plate scored?

--

Go to Step 22

Go to Step 23

Replace the pressure plate. Flush the power steering system. Refer to Power Steering System Flushing .

Does the oil pressure continue to be low?

--

Go to Step 23

System OK

Check the thrust plate.

Is the thrust plate scored?

--

Go to Step 24

Go to Step 25

Replace the worm thrust plate. Flush the power steering system. Refer to Power Steering System Flushing .

Does the oil pressure continue to be low?

--

Go to Step 25

System OK

Check the rotor.

Is the rotor scored?

--

Go to Step 26

System OK

Replace the rotor with the rotating group. Flush the power steering system. Refer to Power Steering System Flushing .

Does the oil pressure continue to be low?

--

--

System OK