939003607 - H011 STEERING HARD / (IN ONE DIRECTION ONLY)

When the steering is operated normally there is a hardening of the steering action to the right or the left
0PRELIMINARY CHECKSALL OKPROBLEMS ENCOUNTEREDACTION
Carry out a test steering fully in various conditions to check the actual onset of the hardening in one direction only.Visually inspect the power assisted steering fluid level in the reservoir.Move on to Step 11. Hardening in both directions1. Proceed as instructed in the    See table H010 STEERING HARD / (STEERING IN BOTH DIRECTIONS)
2. Power assisted steering fluid level too low.2. Top up to the correct level, if there are leaks, continue as instructed in the    See table X030 POWER ASSISTED STEERING SYSTEM FLUID LEAKS
1STEERING RODS AND ARMS CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check the condition of the steering rods and armsMove on to Step 21. Rods damaged or worn.1. Replace the rods    Op. 4110B10 STEERING LINKS - R+R ON VEHICLE - CHECK TOE-IN/TOE-OUT SEPARATELY
2. Arms damaged or worn.2. Replace the steering boxOp. 4120A10
2RACK AND PINION CLEARANCE CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check the rack and pinion clearance with the steering column detached and the wheels straight.Move on to Step 3Rack and pinion clearance too large.Replace the steering boxOp. 4120A10
3CHECK ON CORRECT TENSION OF DRIVE BELT AND CORRECT OPERATION OF POWER ASSISTED STEERING PUMPALL OKPROBLEMS ENCOUNTEREDACTION
Check that the tension of the power assisted steering pump drive belt is correct and that it is not worn.Also check that the power assisted steering pump is working properly.Move on to Step 41. Belt not correctly tensioned.1. Restore correct belt tensionOp. 1092C12
2. Belt worn.2. Replace the beltOp. 1092C11
3. Power assisted steering pump malfunction.3. Replace the power assisted steering pumpOp. 4130B24
4STEERING WHEEL RETURN CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Refit all the components removed.Test the vehicle and check that the steering wheel returns correctly.End of diagnosisPoor steering wheel return.Restore the correct front wheel geometry    Op. 4450A10 FRONT WHEEL GEOMETRY - CHECK USING OPTICAL EQUIPMENT - INCLUDES ADJUSTMENT IF NECESSARY