2888461 - S42 NOISE ' REAR / DRIVING IN A STRAIGHT LINE ON AN EVEN ROAD

With the vehicle driving along a straight, even road, there is noise from the rear.As the speed of the vehicle increases, so too does the noise

		Results of the tests
0	PRELIMINARY CHECKS	All OK	Problems met	Operation
	Preliminarily, check the type, condition and inflation pressure of the tyres	Continue to Step 1	Pressure not correct	Restore the tyre inflation pressures
			Tyres not suitable or worn	Replace the tyres
1	WHEEL BEARINGS CHECK	All OK	Problems met	Operation
	Carry out a test, gradually steering to the right or the left; check whether the intensity of the noise increases	The noise remains constant:Continue to Step 2	The noise increases greatly with the steering angle: bearing worn or damaged	Replace the wheel hub bearing Op.   4450D10
2	WHEEL CHECK	All OK	Problems met	Operation
	Check: that the wheels are properly balanced the condition of the wheel rims	Continue to Step 3	Wheels not balanced	Balance the wheels
			Wheel rims dented or distorted	Replace the wheel rims Op.   4450B10
3	CHECKING CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis	Fault persists	Search for the fault starting from another symptom'