3308751 - X50 TYRE WEAR

There is irregular wear of the tyres.

		Results of the tests
0	PRELIMINARY CHECKS	All OK	Problems met	Operation
	Check that all four tyres are the same, homologated type	Continue to Step 1	Tyres different or not homologated	Replace the tyres involved
1	SHOULDER WEAR CHECK	All OK	Problems met	Operation
	Carefully examine the type of wear. The shoulders have worn quickly	Continue to Step 2	Inflation pressure too low	Restore the correct pressure; if necessary, replace the tyres involved
2	CENTRE AREA WEAR CHECK	All OK	Problems met	Operation
	Carefully examine the type of wear.The centre areas have worn quickly	Continue to Step 3	Inflation pressure too high	Restore the correct pressure; if necessary, replace the tyres involved Op.   4450B10
3	CHECK FOR PRESENCE OF CRACKS	All OK	Problems met	Operation
	Carefully examine the type of wear.There are cracks in the tread	Continue to Step 4	Inflation pressure too low or tyre is not the recommended type	Restore the correct pressure; if necessary, replace the tyres involved Op.   4450B10
4	CHECK FOR WEAR ON ONE SIDE	All OK	Problems met	Operation
	Carefully examine the type of wear.The tyre has worn quickly on one side only	Continue to Step 5	Front wheel geometry not correct	Check the wheel geometry: Op.   4450A10  . If necessary, replace the tyres involved
			Rear wheel geometry not correct	Check the wheel geometry: Op.   4450A40  . If necessary, replace the tyres involved
5	CHECK FOR THE PRESENCE OF INDIVIDUAL AREAS OF WEAR	All OK	Problems met	Operation
	Carefully examine the type of wear.There are individual areas of wear.	Continue to Step 6	Balancing not correct or tyre defective	Balance the wheels; if necessary, replace the tyres involved
			Front shock absorbers not working properly	Replace the shock absorbers involved Op.   4410A10
			Rear shock absorbers not working properly	Replace the shock absorbers involved Op.   4420A10
6	CHECK FOR PRESENCE OF WEAR 'IN STEPS'	All OK	Problems met	Operation
	Carefully examine the type of wear.The wear is 'in steps'	Continue to Step 7	Front wheel geometry not correct	Check the wheel geometry: Op.   4450A10  . If necessary, replace the tyres involved
			Rear wheel geometry not correct	Check the wheel geometry: Op.   4450A40  . If necessary, replace the tyres involved
7	CHECK ON 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'