Why is my ac compressor knocking?
Knocking sounds usually come from the condenser unit positioned outdoors and indicate that its crankshaft, piston pin, or one or more of its support springs or screws are unfastened or broken. Wear and tear can cause some parts to come loose and create a banging or rattling sound.
Why does my Mercedes rattle?
While there are a variety of reasons your Mercedes-Benz E320 is rattling, the most common 3 are the ball joints, struts or strut mount, or a problem with the sway bar links.
Why does my Mercedes Benz make a clicking sound?
The clicking sound and the rest of the symptoms may be attributed to a broken stepper motor lever or the footwell damper linkage. This is a common problem in MB C230, C240, C320, CLK320, CLK350, CLK500 but this problem can affect other Mercedes-Benz models such as E, S, CLS, GL, ML Class.
Why does my Mercedes air conditioner keep blowing hot air?
In many models, the AC keeps blowing hot air even after recharging the coolant. It is a frustrating problem, especially during the summer, when it is almost impossible to drive a car without the AC on. A Mercedes air conditioning reset is a possible solution. Do you know how to do it? Is there any other way to fix the glitch?
Why do I hear a knocking noise in my engine?
When your engine is running smoothly, the air/fuel mixture burns up in a single, controlled detonation inside each cylinder. Detonation knock is a knocking noise that you’ll hear when the air fuel mixture in the cylinders is detonating in more than once place at a time.
Why does my Mercedes E320 AC not reset?
For example, if you want to know about Mercedes E320 AC reset, it is better to check the manual and follow the manufacturer’s recommendations. If a Mercedes air condition reset does not work, these following reasons could be causing the trouble: When the AC is releasing hot air, the possible reason could be a defect in the damper.
Why do I hear a ticking sound in my Mercedes Benz?
When you start your Mercedes-Benz, or even just turning the AC on, you hear a clicking sound (at times a shhh sound) from the dashboard. The sound lasts for about 20 seconds then goes away after approximately 5 minutes. Later on, however, the ticking returns and repeats its cycle.
What makes a clicking noise when the AC is turned on?
Brief, loud clicking noise from dashboard area when AC is… Q: Brief, loud clicking noise from dashboard area when AC is turned on. This started happening about 2 weeks ago. When I start up my car or whenever I turn the AC on I hear 3 or 4 loud clicks coming from what seems to be under the dashboard.
How to troubleshoot your Mercedes Benz air conditioner?
Identify the location of your compressor. Look at the pullyer and you should be able to see if it spining or not. The engine running turn the A/C on max cool, set fans high, and make sure that the clutch is engaging on the compressor. The pulley spins any time the engine is running. The center part of the A/C pulley only engages when the A/C is on.
Why is my car making a clicking noise?
My car has an automatic transmission. The noise you are hearing is one of the HVAC door actuators that control air flow or temperature for the a/c. There are at least 4 of these actuators in your system and one of them is going bad and would need to be replaced.