Climate control system noisy / (in passenger compartment)

Make: Fiat
Model: 500 Factory Service Manual
Year: 2007–2024
Section: Noise / vibrations › Climate control system noisy / (in passenger compartment)

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Fault diagnosisClimate control system noisy / (in passenger compartment)

CLIMATE CONTROL SYSTEM NOISY / (IN PASSENGER COMPARTMENT)

1.2 8v, 1.3 Multijet, 1.4 16v

Whilst driving, a noise comes from the fan. This diagnosis can only be made after the.

See table S015 NOISE WHILST DRIVING

Carry out the latter first.

The climate control is working normally but there is excessive noise coming from the passenger compartment fan.

0	PRELIMINARY CHECKS	All OK	Problems encountered	Operation
		Test results
	Having carried out the road test, during the See table S015 NOISE WHILST DRIVING , there was a noise from the front identified as coming from the passenger compartment heater fan.	Move on to Step 1
1	FAN CHECK	All OK	Problems encountered	Operation
	Check the climate control fan. In particular, check: that the fan and spiral is clean, if there are any foreign bodies, deposits of dust on the vanes and/or leaves remove them/blow through moving the fan from the engine support; that there are no breaks or cracks in the fan; there are no vibrations or noise at low speed (check the operation with the fan detached from the assembly but the electrical connection fitted). "The operation for determining vibrations should be carried out with great care to avoid fragments of the fan being expelled into the surrounding area. Protective goggles must also be worn".	Move on to Step 2	1. Fan dirty. 2. Presence of breaks/cracks in the fan. 3. Electric motor noisy, fan not balanced or blades.	1. Clean the fan casing and all the ducts. 2. Replace the fan Op. 5040C30 AIR CONDITIONING FAN - R.R. 3. Replace the fan Op. 5040C30 AIR CONDITIONING FAN - R.R.
2	AIR DUCT CHECK	All OK	Problems encountered	Operation
	Check for foreign bodies and damaged components inside the air ducts.	Move on to Step 3	Presence of foreign bodies or damaged components inside the air ducts.	Eliminate the obstructions from the dashboard ducts.
3	AIR VENT CHECK	All OK	Problems encountered	Operation
	Check that the vents are intact and that there are no foreign bodies that could create noise.	Move on to Step 4	Vents obstructed.	Restore the operation of the vents.
4	POLLEN FILTER CHECK	All OK	Problems encountered	Operation
	Check that the pollen filter is not blocked and that the recirculation air intake is not blocked with foreign bodies or parts (e.g. wiring) that are not correctly fitted.	Move on to Step 5	1. Filter obstructed. 2. Air intake blocked by foreign bodies.	1. Replace the filter element Op. 5010B08 CLIMATE CONTROL OUTSIDE AIR PURIFYING (POLLEN) FILTER - R.R. 2. Eliminate the obstructions and restore correct operation.
5	FAN INTAKE CHECK	All OK	Problems encountered	Operation
	Check that the fan intake in the air intake chamber is not blocked by the presence of foreign bodies.	End of diagnosis	Presence of foreign bodies in the air intake chamber.	Eliminate the obstructions and restore correct operation.

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Parts & tools for this job For 2007 Fiat 500

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