22 · Diagnostics

Steering hard / (steering in both directions)

Make: Alfa Romeo
Model: 147 Factory Service Manual
Year: 2000–2004
Section: STEERING – vehicle behaviour › Steering hard / (steering in both directions)

‹ Prev Drift whilst braking Next › Steering wheel oscillations/ vibrations / with the vehicle stationary

Fault diagnosisSteering hard / (steering in both directions)

STEERING HARD / (STEERING IN BOTH DIRECTIONS)

During normal operation of the steering there is a stiffening of the steering when steering to both the right and the left.

0	PRELIMINARY CHECKS	All OK	Problems met	Operation
		Results of the tests
	Check that the tyre pressures are correct Check that the power steering fluid level is correct	Continue to Step 1	Tyre inflation pressure not correct	Restore the correct pressures
		Continue to Step 1	Power assisted steering fluid level too low	Restore the correct level: if there are leaks See table X30
1	CHECK CONDITION OF STEERING GAITERS AND TIE-RODS	All OK	Problems met	Operation
	Check the condition of the steering gaiters and tie-rods	Continue to Step 2	Steering tie-rods damaged or worn	Replace the tie-rods Op. 4110B10
2	CHECK TYPE OF FAULT	All OK	Problems met	Operation
	Carry out a test, turning the steering wheel to full lock under various conditions, checking that there are no faults.		Stiffness continuous and constant	Continue to Step 3
			Hardness intermittent	Check that the filter inside the reservoir is correctly positioned. if necessary, replace the reservoir Op. 4130B10
			Hardness only during idling	Check for any restrictions in the pipes (flexible and rigid). If necessary replace the damaged parts, replacing all the seals
			Hardness in end of travel position	Restore the correct wheel geometry
3	STEERING COLUMN BEARINGS CHECK	All OK	Problems met	Operation
	Check the condition and efficiency of the steering column support bearings, disconnecting the column from the steering box	Continue to Step 4	Bearings worn or damaged	Restore the efficiency of the steering column. If necessary, replace the bearings involved Op. 4110A31
4	CHECK OPERATION OF STEERING BOX	All OK	Problems met	Operation
	With the front wheels lifted, make the rack complete its full travel in both directions, making sure that there is no excessive stiffness or play.	Continue to Step 5	Faulty operation of steering box	Replacing steering box Op. 4130A10
5	POWER ASSISTED STEERING PUMP CHECK	All OK	Problems met	Operation
	With the wheels on the ground, check the correct operation of the power steering pump	Continue to Step 6	Belt slack	Check and, if necessary, replace the belt Op. 1092C14
		Continue to Step 6	Power assisted steering pump malfunction	Replace the power assisted steering pump Op. 4130B20
6	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present		Fault persists	Search for the fault starting from another symptom'

‹ Prev Drift whilst braking Next › Steering wheel oscillations/ vibrations / with the vehicle stationary

Parts & tools for this job For 2000 Alfa Romeo 147

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