Prius (Gen 4) :: Odd Engine Noise Like Sloshing Water (not Knocking)
Feb 29, 2016
I started my Gen 4 Prius two yesterday and got out to adjust a bolt on the rear license plate and noticed a strange sound as the ICE in high throttle began the warm-up cycle- a sound like water sloshing around in the cat converter (or somewhere upstream?). Other new Gen 4 owners please check this and see if you hear this on startup. It is not regular enough a sound to be engine knocking, but literally like water churning. Not loud enough to hear from anywhere but right near the lower rear of the car. Hear this on new 2016? My Gen 3 never had this sound.
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Having issue with water being trapped in the frame of the car?
Yes, I know, it sounds completely peculiar but it is driving my wife and I crazy. It sounds like there is a bucket of water sloshing around in our backseat. However, there is no water, not a single drop, anywhere around the car or inside or outside of the car. We had heavy rain Wednesday night so that could explain the source but I can't find the entry point or exit point of the water anywhere on the vehicle.
Whenever we accelerate or brake, I can hear water rushing forward or backward but can't locate where the noise is coming from. Nothing is wrong with the car but I can't imagine this is a good thing.
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I have a 2003 2.8 Passat. I replaced the timing belt and I am now hearing a noise that sounds like water sloshing slowly back and forth. I only hear it in the mornings when the car has been sitting over night. At first I thought it might be something like a little air left in the heater core. But after many days driving with the heater on full the problem is still there. The cooling systems works fine and I have hot air at the vents. It usually makes the noise during turns.
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Only had my 07 GS350 AWD for about a week now, and i kept hearing water sloshing around the floor boards. Did some searching on her and the interwebs and found the HVAC evaporator drain blockage TSB. So.... this was step one in getting it handled. I don't think its been wet for too long, only because there is zero musty smell or mildew. I yanked the front carpets back, and parked nose forward on my steep driveway, sopped up 5 full bath towels worth of water, cranked the heat and put fans on it. Boom, cleanup, done!
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I have a 2005 Prius with about 185,000 miles on it. I've noticed a water sloshing sound coming from the engine area whenever the ICE starts up and I'm accelerating from a stop. This sound does not occur when just running off the battery in electric mode... only right after the engine cranks up. After a few seconds the sound goes away until the next stop.
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I hear water sloshing around in the front when I make a turn. I am wondering the vent holes by the windshield wipes near the windshield are used to vent air intake into the cabin. Could this sloshing be coming from in there? Is there a drain hole and it f so where Is it located can I clear it? 2004 prius .....
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I've got a 2006 with about 108k on it. I've noticed in the last month (or two) an odd sloshing of water that occurs BEHIND THE DASH when the car is first turned on and then appears to go away when warmed up. About a mile from my house this morning, I noticed the sound again when taking a right turn at a stop sign. This concerns me.
Here's what I've done:
1) Fluids are fine in the car. Checked them nothing low
2) no codes have been logged in my car.
3) I've researched this site and thought clogged evaporator ac drain tube so I tried clearing it.
I fired up the compressor, got underneath the car and proceeded to blast small shots of air up the tube. Nothing happened. No water coming out. Btw, there has not been any water drainage inside the car on either the driver or passenger side.
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I took my 78K '07 Prius into dealer for the recalls, one of which was the electric water pump.
After picking up my car pulling out of the parking lot it started gurgling and hearing liquid sloshing around, I drove it straight back to dealer and they told me this new noise was from nothing they had done and must be a convenience. They believe its the ICE water pump as they can go bad at any time. I'm frustrated as I feel they had sabotaged my Prius and want the $400 to do the replacement.
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I bought a new 2015 Prius last week. Today, after I was cleaning only the tire/wheels cavity area by hosing it down with water. I heard a water splashing or sloshing sound when i was parking the car back in the garage when the car is moving. My theory is that the water still remains in some cavity in the car. So I will see if the noise is still there tomorrow when I go to work.
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My 2007 Prius has had the sound of water sloshing for a few weeks. On Monday a light on the dashboard (red triangle with exclamation mark) lit up. Took the car to the dealer and they diagnosed water in the cargo area which created corrosion on the prongs of the little white box which connects to the battery. I was told the rear window weather stripping needed replacing.
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I have started to hear the sound of water sloshing around behind the dash of my 96 Subaru Impreza. I can really hear it when I take a sharp turn.
Today it was raining and it sounded much louder. I can't locate where there may be a leak.
I was looking at pages to remove the dashboard to have a look.
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Yesterday, while at the store. I started my 2004 prius and the engine was making some crazy knocking noises. I went to auto zone and pulled the codes. It said random cylinder misfire and misfire on cylinders 2,3, and 4.
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There has been on/off heavy rain in northern nj the past week, and i noticed two nights ago that when i am turning it sounds like i have a waterfall in front of the dash. if i am making a right i hear water running towards the left and vice versa. I already searched and found one article pertaining to a "sloshing". the problem: it didnt have a solution.
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I have a 2001.5 Passat with the ATQ v6 and 5-sp manual tranny. A few weeks ago when I drove it up to Chicago, the heat completely stopped working. Cool air was coming out of the vents. Then when I drove back to Texas, the heater started working again. Now as of yesterday, the heater's out again. My temp sensor has the engine at 190 F, so I don't think it's overheating. One thing I do notice though is when I first start it and shift from first to second (or if I go over a speed bump), I will hear a water sloshing sound as if I'd hit a puddle. Whether it's the heater core that's blocked or perhaps the thermostat?
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Opened one of the rear doors on my crew cab and there must have been several gallons of water sloshing around inside the door. Shook the door a few times and water started draining out both corners of the door seam. After about an hour (I told you it was a lot of water) it seems to have stopped draining. Now I'm wondering how long this has been going on and what the inside of the door looks like by now.
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it was warmer the day than it usually was so it dosnt make the noise as bad however there is usually a lot of clatter/knock from the engine when cold. does it at idle and while accelerating. it gets less once the engine warms up but has been doing it for a while. car has 93k miles and synthetic oil is used. there is also a metal rattle sound almost like a heat shield that is loose. idk if that is part of the engine issue or not. but it only happens in winter or when temps fall below 60 degrees. kinda hard to hear on the vid but its there.
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In the summer months when the air conditioning is in use, there is a back up of water. i can hear the water sloshing sound when the air is on and when making sharp turns it actually drains out on the front floor, both driver and passenger sides. it has also overflowed out the backseat air vents. my mechanic has told me the drain on this vehicle is tiny and becomes clogged easily. the car is parked in my garage, not left out in the elements so i disagree.
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Starting yesterday I noticed that I could hear a sloshing sound when I turn the car. It sounds like pouring water. After some driving around my neighborhood I've found that I hear the sloshing sound ONLY when the AC is on and when I turn left. It also has a sizzle sound that reminds me of dropping bacon in a hot pan.
I laid down in the floor and looked up under the dash. It looks like there's a motor and it's leaking water. That doesn't sound like a motor should be wet...The motor type thing appears to be a cylinder and says Bosch GM-M on it along with some numbers.
The carpet mat in the floor is getting a bit wet as well so that leads me to believe that something under there is leaking water and I can assume that it's leaking onto something hot creating the sizzle sound.
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So my 2012 plugin was parked for about 3 days, and when I turned it on, heard loud knocking and the check engine light came and stayed on.
When switching the car on or off, I'll hear two taps/ticks that were not there before. Loud knocking is not there now.
What can the issue be? It was very cold and snowing.
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Recently, when I start the engine (cold or even warm starts) I hear a subtle knocking noise that doesn't last too long but a few seconds. I figured that maybe it's because our area may still be using winter mix gasoline... but I'm not sure. Also, there's a rattle underneath the car when the engine switches into generating electricity with MG1.
This only happens after a start-up procedure (cold or warm). It stops when I push the gas pedal down a little bit (while still in park) then it goes into charging again, and by that time, it's stopped. I figured it may be a heat shield on the exhaust. It sounds more up in the front.
Also, when I start the car, the engine starts smoothly but then 1-2 seconds later goes into spinning MG1 which makes the car kinda sound like "vrrrrrrr---VRRRRRRRRrrrrrrrrrr...." .
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I have a 2001 6.8l v10 and have nothing but problems. now i got a knocking noise and the oil has water in it. i have no clue what is wrong and on start up it blows white smoke till its warm i have looked at the coolant lvls and they have not changed. the oil pressure is fine while driving but at idle and stop lights and stop signs it drops and the light comes on. i have not had a check engine light yet? what could be wrong? i have blown plugs 5 time 3 coils and 2 head replacements. I hope its just old oil or bad oil i have no clue it is due for an oil change but would just oil oil make all this happen. I also am seeing oil coming form the intake on the throttle body but the oil breathers are right there too.
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