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V-Class3 generations with first production year 1996......
V 230, V 280, V 200 CDI, V 220 CDI; Vito: Vito F 108 CDI, Vito F 110 CDI, Vito F 112 CDI, Vito F 113, Vito F 114; Marco Polo: Vito MP 108 CDI, Vito MP 110 CDI, Vito MP 112 CDI, Vito MP 113, Vito MP 114; Sprinter James Cook
I need some help, maybe someone already faced this kind of problem and hopefully have a solution for it.
After a cold start in cold weather (below 5 C°) in a few seconds a squeaking noise appears and then goes off. When I turn on the heater in the cabin (front or back or both), the noise comes back, but if I switch off the heater the noise stops.
When I raise the rpm the noise disappears, and when the engine warmed up, it is completely gone.
When I open the hood, the sound comes from driver side (left hand drive) at the back or middle of the engine, and not from the serpentine belt.
I have a couple of guesses, but none of them make sense in some cases.
I have attached a sound recording of the situation, you can hear that when the heater is on the noise is not constant, it is cyclic. It comes and goes until the engine or the engine bay reaches a certain temperature.
If you have any good idea, please let me know!
It sounds like your squeaking is heater-related rather than the engine itself. Common causes are blown motor bearings, air in the heater core or hoses, or stiff HVAC blend door actuators. The noise shows up when cold and disappears as things warm, which fits all of these. Usually it’s not serious, and bleeding the heater system, checking the blower, or lubricating the actuators can fix it.
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Vito 113 CDI 4x4 bus cold start squeaking noise
