POWER STEERING PUMP MAKING NOISE - TM-9-2320-285-24-20242

TM 9-2320-285-24-2

3-27. STEERING SYSTEM TROUBLESHOOTING (CONT)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

10. POWER STEERING PUMP NOT DELIVERING OIL (Cont)

Step 4.

Disassemble power steering pump (para 3-28f).

Examine rotor slots for dirt, grime, or small metal chips.

Clean rotor and vanes and reassemble pump (para 3-28f). Check for

free vane movement.

a. If vane movement is not free, replace rotor and vanes (para

b. If vane movement is free, overhaul or replace power steering

11. POWER STEERING PUMP MAKING NOISE

Step 1.

Remove power steering pump (para 3-28f).

Check that gear and coupling are correctly aligned and secure.

a. If gear and coupling are not correctly aligned or are loose,

repair or replace (para 3-28f).

b. If gear and coupling are correctly aligned and secure, proceed

to step 2 below.

Step 2.

Disassemble power steering pump (para 3-28f).

Check shaft seal, bearings, and pump cartridge assembly (ring,

rotor, pins, and vanes) for wear or damage.

If shaft seal, bearings, or pump cartridge assembly parts are worn

or damaged, replace (para 3-28f).

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