Contents

			Test results
1	COMPONENT CONCERNED	NOISE IN ENGINE COMPARTMENT CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Engine compartment	Carry out a road test to check whether, by accelerating progressively in third gear up to 3500 rpm, noise is present in the engine compartment	End of diagnosis	Noise in the engine compartment	Go to Step 2
2	COMPONENT CONCERNED	CHECK CLEAN AIR PIPE ATTACHMENT	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Clean air pipe attachment	Check if the bands are correctly closed. Attachments intact. Support brackets intact.	Go to Step 3	1. Attachments not correct 2. Attachments broken	1. Restore correct fastenings 2. Replace the clean air pipes Op. 1048A54 SLEEVE TO TURBOCHARGER - R R
3	COMPONENT CONCERNED	CHECK THAT CLEAN AIR LINE IS INTACT	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Clean air intake pipelines	Check that the piping is intact and for he presence of bleed/excessive play in the coupling area: - clean air pipes/filter box - clean air sleeve/turbocharger or throttle body	Go to Step 4	Presence of bleed in the coupling areas shown.	Restore the tightening of the fastenings where there is leakage/looseness; carry out a test on the car to make sure that the fault has disappeared.
4	COMPONENT CONCERNED	CHECK AIR CIRCULATION PIPE INTEGRITY	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Air delivery pipes	Check for a bleed in the air delivery pipes.	Go to Step 5	Presence of a bleed in the air delivery pipes.	Replace any damaged components of the air delivery pipes if there are holes.
5	COMPONENT CONCERNED	CHECK AIR CIRCULATION PIPE CONNECTIONS AND EXTENSION INTEGRITY	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Air delivery pipes	Check for bleeds in the pipe junction/connection area (ex. blow-by, canister, etc.)	Go to Step 6	Presence of bleeds in the piping junction/connection areas	Replace the damaged pipe
6	COMPONENT CONCERNED	CHECK THE CORRECT BAND CLOSING ARE THEIR PRESENCE ON THE BLOW BY PIPING	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Blow-by pipe	Dismantle the blow by pipe to check for any oil and check the band closing.	Go to Step 7	Oil leakage on the clean air connection pine side/band not correctly closed	Close the bands correctly and eliminate oil in the clean air pipe
7	COMPONENT CONCERNED	CHECK INTEGRITY OF BLOW BY PIPES	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Blow-by pipe	Dismantle the blow by pipe and check it is intact	End of diagnosis	Presence of cracks/ damage in the pipe	Replace the blow by pipes