		Test results
0	PRELIMINARY CHECKS	All OK	Problems encountered	Operation
	First of all, check the engine idle speed. Check the tyre pressure	Move on to Step 1	1. Engine idle speed irregular 2. Tyre inflation pressure not correct	1. Proceed as instructed See table D010 ENGINE IDLE IRREGULAR 2. Make sure tyres are inflated to the correct pressure
1	POWER UNIT SUPPORT MOUNTINGS CHECK	All OK	Problems encountered	Operation
	Check the condition of the mountings for the power unit, the engine reaction rod connected to the mechanical crossmember and that the mechanical crossmember is correctly centred	Move on to Step 2	1. Power unit support mountings faulty 2. Reaction rod faulty 3. Mechanical crossmember faulty	1. Bed-in the fastenings: loosen the bolts, centre them in their housings and tighten them to the recommended torque Op. 1008A POWER UNIT FASTENING 2. Bed-in the fastenings: loosen the bolts, centre them in their housings and tighten them to the recommended torque Op. 1008C POWER UNIT REACTION ELEMENTS 3. Bed-in the fastenings: loosen the bolts, centre them in their housings and tighten them to the recommended torque
2	STEERING COLUMN CHECK	All OK	Problems encountered	Operation
	Check the condition of the steering column support and that it is working properly. In particular, check: - that there is no clearance between the support bushes and steering column; - correct tightening of steering column joints	Move on to Step 3	1. Bushes worn or damaged 2. Joint spider clearance too large	1. Restore the efficiency of the steering column. If necessary, replace the bearings involved 2. Tighten the bolts or replace the steering column Op. 4110A46 INTERMEDIATE SHAFT FOR CONNECTION TO STEERING BOX - R.R
3	STEERING WHEEL ADJUSTMENT DEVICE CHECK	All OK	Problems encountered	Operation
	Check the condition of the steering wheel adjustment device. In particular, check that the clearance between the device and the steering column is correct	Move on to Step 4	Coupling with excessive clearance	Restore the efficiency of the steering wheel adjustment device. If necessary, replace it
4	TIMING CHECK	All OK	Problems encountered	Operation
	Check that the engine timing is correct	Move on to Step 5	Timing not correct	Restore correct engine timing Op. 1032B10 TOOTHED TIMING BELT - R.R. FOR TIMING OR REPLACEMENT
5	FLYWHEEL BALANCING CHECK	All OK	Problems encountered	Operation
	Check that the flywheel is correctly balanced	End of diagnosis	Balancing not correct	Replace the flywheel Op. 1024B10 ENGINE FLYWHEEL - R + R FOR VERSIONS WITH MANUAL GEARBOX

With the engine running and the vehicle stationary, the steering wheel oscillates and vibrates