Why do I hear liquid sloshing in my car?

Whenever I start my car and put it in gear, I hear the sound of liquid sloshing around as if there were a tub of water just behind the stereo. I can hear it for the first minute of driving (when I accelerate or decelorate) and then it goes away. The sound returns after the car’s been sitting for a while. What’s going on?

Where does water go in a Mercedes W211?

They have a flap over them allowing air exit but not in, however if you point a jet wash upward under the side of the rear bumpers water can go in. This is very bad on W211/W219 which has navigation processor, TV tuner, Parktronic, Keyless go etc modules around there on Left side.

Where is the rear Sam on a Mercedes ML?

ML has rear sam on right side. Water can therefore enter there on a ML, and from the rear light seal if rear light has been replaced and seals were duff and not replaced, and also a bad boot door seal can let water in too. I’m sure there are other ways but that is what we’ve seen. 1 person likes this. Maybe something like this will help …

What was the problem with my Ml w164?

I recently bought an ML W164 2008 model, which back in June had a rear SAM module replaced after the brake lights failed I believe. Something has been mentioned about water leaks and these modules getting wet and failing.

What makes a sloshing noise under the dash?

Sometimes when I start it up, begin moving forward, or quickly decelerate I can hear what sounds like water (or some other liquid) moving from one place to another (can’t quite tell where) under the dash or maybe just behind the firewall.

Why does my Chevy HHR make a sloshing sound?

One might think a sloshing sound in the vent area would be there all the time if they were plugged. Wind noise, engine noise, etc. can mask the sloshing noise. Not many questions here can be answered without a vehicle ID. Thanks for this. I’ll check the coolant levels. Also, forgot to mention it’s a 2007 Chevy HHR 2.4 LT.

What causes a water sloshing sound on the passenger side?

Here are some of the things that cause the water sloshing sound on the passenger side: 1 Blocked drain holes – you may hear the sound if the drain holes are blocked. This is easier to detect as you can inspect… 2 Drain holes are very high – some vehicles are poorly designed with a reservoir around the sunroof’s perimeter. This… More …

Why does my car make a sloshing noise when I start it?

If you hear a liquid sloshing sound coming from under the hood when starting the car or accelerating, it could indicate that air has gotten into the cooling system. It’s likely from a leak, or perhaps from the engine’s head gasket. It’s important to get this checked.

What does the sloshing sound under the dash mean?

My experience (in multiple cars, albeit not your make/model) has been that this sound always means your cooling system is under-filled.

Why does my air conditioner make a sloshing sound?

A sloshing sound can also be due to a bad ac compressor. The AC compressor is one of the crucial parts of a vehicle’s air conditioning system. It is in charge of pressurizing the AC system and keeping the refrigerant flowing so that it can work well.

Why do I hear liquid coming from my radiator?

The noise you hear is the coolant being pumped through the heater core when you start the engine. Make sure the radiator is completely full and that any air is bled from the system. Some vehicles have a special valve for this purpose. Need a part?Save money while supporting CarTalk.

Why does my car make a sloshing sound when I Turn on the AC?

If you are really hearing a sloshing sound, then it is very likely water trapped in the AC evaporator drain pan. This would be because your AC drain tube is clogged. Find it and check it. You may check under the hood as I had a trough that the wiper mechanics resided in. The drain holes were blocked.

What does a crack in the coolant light mean?

Your coolant light might be signs of a more major engine problem. When you get a crack in the block or the intake gasket you will leak coolant and oil, usually slowly at first. You may not notice the difference at first, thinking that your tank is full. A repair to a cracked engine block or head gasket is an expensive repair.

When does the low coolant level warning light go out?

When you start the engine, the low coolant level light should come on for a second or two and then go out. If it doesn’t go out, either the coolant level is too low or there is a problem with the sensor system.

Why does the coolant light go on when the tank is full?

Your problem also be a faulty coolant level module. Check the wiring to be sure nothing is loose or corroded. These are some of the possible causes of a coolant light going on when the tank is full. You’ll want to take your vehicle to a qualified repair location to diagnose and repair your problem if you can not easily diagnose it yourself.

Can a coolant pressure test show no leaks?

The coolant pressure test is obviously showing a coolant leak. The system should not lose pressure if there were no leaks. Since the leak is not external, it may be getting burned. Maybe the intake gaskets leaking again?

Why does my S3 Quattro have water under it?

If I park it nose down a hill after the road has dried it leaves water under the car but cant see where from as the car is still wet. I have pulled the plastic jacking bungs off various cars in the past for this, inc drilling a neat 8-10mm hole in the centre to aid draining. 1999 S3 Quattro. Stolen by my cousin in exchange for pennies !!

When do you brake do you hear water sloshing?

We can hear water sloshing noises when we accelerate or brake (Water moving front to back). The scuttle area is clear and dry. Are there drain holes in the cill?

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