Climate control system noisy / (in passenger compartment)
- Make
- Fiat
- Model
- Grande Punto Factory Service Manual
- Year
- 2005–2012
- Section
- Noise / vibrations › Climate control system noisy / (in passenger compartment)
CLIMATE CONTROL SYSTEM NOISY / (IN PASSENGER COMPARTMENT)
Whilst driving there is noise coming from the fan. This diagnosis can only be made after diagnosis
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.
| Test results | ||||
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
|---|---|---|---|---|
After carrying out a road test during diagnosis, a noise is heard from the front identifiable as a noise from the passenger compartment fan. | Move on to Step 1 | |||
| 1 | FAN CHECK | All OK | Problems encountered | Operation |
Check the climate control/heater 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 wearing protective goggles to avoid fragments of the fan being expelled into the surrounding area" | 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 noisy. | 1. Clean the impeller, screw and all ducts 2. Replace the fan. Op. 5040C30 AIR CONDITIONING FAN - R.R. 3. Replace the fan. | |
| 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 give rise to noise | Move on to Step 4 | Outlets blocked/damagead | 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. | |
Parts & tools for this job For 2005 Fiat Grande Punto
- TOOLA/C manifold gauge setSearch: AC manifold gauge set
- TOOLUV leak detection kitSearch: AC UV leak detection kit
- PARTCabin filterSearch: Fiat Grande Punto 2005 cabin filter
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