Climate control system noisy'' / (in the engine compartment)

Make: Alfa Romeo
Model: GT Factory Service Manual
Year: 2003–2010
Section: Noisy'' / vibrations › Climate control system noisy'' / (in the engine compartment)

Fault diagnosisClimate control system noisy'' / (in the engine compartment)

CLIMATE CONTROL SYSTEM NOISY'' / (IN THE ENGINE COMPARTMENT)

The climate control works properly, but there is too much noise coming from the engine compartment

0	PRELIMINARY CHECKS	All OK	Problems met	Operation
		Results of the tests
	Disconnect the services belt and check whether the noise disappears. Do not let the engine run for long with the belt disconnected Check whether the noise only occurs with the engine switched off	Continue to Step 2	The noise disappears with the services belt disconnected	Continue according to the instructions in See table See table S10 ENGINE WHILSTLING / SERVICES BELT NOISY
			The noise only occurs with the engine switched off	Check that it is not coming from the electric fan
			The noise does not disappear	Continue to Step 1
1	PIPES AND COMPONENTS FIXING CHECK	All OK	Problems met	Operation
	Check that the compressor, the pipes and the system components are correctly fixed. In order: Drier filter fixing Pipes fixing (with bands and spacers) No interference between the pipes and other components in the engine compartment Compressor fixing to the engine	Continue to Step 2	Components fixing not correct	Restore the correct tightening. If necessary, replace the bands or spacers
		Continue to Step 2	Interference in the engine compartment	Restore the correct arrangement of the pipes
2	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis

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