2582501 - S13 ENGINE RUMBLING

There is a constant, low intensity noise, only noticeable for short periods of time

		Results of the tests
0	PRELIMINARY CHECKS	All OK	Problems met	Operation
1.2 8v	Carry out a road test to check the conditions which give rise to the noise	Continue to Step 3	The noise also occurs with the engine switched off (when warm)	Continue to Step 1
			The noise also occurs with the engine switched off (when warm)	Continue to Step 2
1.9 DIESEL	Carry out a road test to check the conditions which give rise to the noise	Continue to Step 3	The noise occurs when braking	Continue to Step 2
1	MULTI-PURPOSE VALVE CHECK	All OK	Problems met	Operation
1.2 8v	Check the condition of the multi-purpose valve, located on the fuel supply pipe	Continue to Step 2	Multi purpose valve faulty	Replace the fuel filler pipe Op.   1040A31
2	BRAKE SERVO VACUUM VALVE CHECK	All OK	Problems met	Operation
	Check the condition of the one-way valve on the brake servo vacuum pipe	Continue to Step 3	Brake servo valve faulty	Replace the valve Op.   3330D20
3	CHECKING CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present		Fault persists	Search for the fault starting from another symptom'