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Sedans Chevrolet Impala Chevrolet Impala 2005 and earlier
13540 messages, Last post on Nov 30, 2009 at 7:08 AM
You are in the Chevrolet Impala Forum. Your Hosts are pat & karens
 hi all, i have noticed sort of a low pitch noise in the cabin while breaking or just driving without pressing the gas pedal. weird thing is that there is no noise when breaking and I 1) press gas pedal, 2) press and keep holding power windows buttons or 3) turn on rear window defrost. Anybody had this or any ideas what that might be? bought this used wiht 60,000+miles just few days ago and there was nothing .. would appreciate any help. thanks.
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I have noticed a coolant leak in my 2004 3.4l Impala. The car has 37,000 miles on it. I first noticed a couple days ago after I walked up to it after it had been parked awhile. How long it had been parked I don't recall. But I noticed a wet spot in front of the pass. front wheel. I also smelled that tell tale sign of coolant. I dip my fingers in the couple of spots and could tell it was coolant. A little concerned I popped the hood and checked the coolant level. It was a little low, but not too bad. I also hunted for where the drops could have come from. I couldn't really tell, but I could tell that at the bottom corner of the radiator, some coolant had leaked recently. I didn't worry about it much to be honest however and just told myself I would keep an eye on it. Well tonight was a good night to keep an eye on it. I walked into the garage and noticed a good sized puddle on the floor. Sure enough it was coolant. The car had been driven twice that day. First into town, a distance of about 20 miles round trip. The second trip was to the bank, a distance of about 3-4 miles round trip. It was after the bank trip that the car decided to leak. The previous trip didn't produce any leaks. I also didn't notice the when the leak happened because I didn't drive the 2nd time and it was this evening when I had noticed the leak, several hours after the car had been parked. So I popped the hood again and this time I spotted where I think the leak is coming from. I am posting pictures to hopefully clarify this. It appears to be at the top of the radiator at the mount right next to the cap. It appears to have been a semi-force-able spewage as there is evidence on the hood liner and the radiator hose. Again refer to the pictures. I started the car to see if I could duplicate this while I watched. Parked the car did nothing. So I took it for a spin around the block to warm it up. While driving I paid close attention to the temp gauge. It seemed to warm up much quicker than I seem to remember. That however could be attributed to the fairly warm night (about 70 F) and the fact that it had been driven just that afternoon on a warm day. The other times I paid attention to the warm up times were in the dead of winter when I watched the gauge to know when I could turn the heater on. As I drove, I noticed the gauge fluctuate. The first was when it got to the half-way mark, then it dropped just above a quarter and then rose again. Then it would rise, but not quite to the halfway mark and then fall a little. It did this during the entire time I drove. It never got above halfway, but it never stayed steady. I have never noticed this type of variation before. It may be because I don't pay attention to the gauge as I should, but I would think that if the temp gauge varied that much I would notice it?? I also do not drive the car much as it is my wife's daily drive and she wouldn't know what to look for. I was varying my speed from a residential speed of 25-30 MPH to a highway speed of 60 MPH, but the temp didn't seem to follow a pattern based on my speed. After I got home, I again popped the hood to look for any evidence it had leaked while driving. I could find no fresh evidence. I let the car run for a couple more minutes and then shut it off to see if the cooling down cycle would produce anything. It didn't. It still hasn't as of this post... So I am open to suggestions as to what it might be. Any thoughts? Pictures to help visualize the problem...  See more Car Pictures at CarSpace.com  See more Car Pictures at CarSpace.com  See more Car Pictures at CarSpace.com  See more Car Pictures at CarSpace.com  See more Car Pictures at CarSpace.com  See more Car Pictures at CarSpace.com
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Replying to: the_big_al (Sep 29, 2008 9:13 pm) It is unusual to have a coolant leak with only 37k on the vehicle. I suspect that you have a small leak in the radiator hose wich is leaking onto the serpentine belt and then getting sprayed onto the underside of the hood. You need to look closely at the hoses while it is running and see if one of the hoses is leaking. (Keep your hands clear of the pulleys, belts and fan!) Also, the picture that identifies the waterpump is correct. 
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Replying to: revjim64 (Sep 30, 2008 9:47 am) |
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I've been detecting a musty or dusty odor when I turn the AC off and the fan on, so I bought a new cabin air filter for my 2000 Impala. But for the life of me I can't find where it installs. I've looked behind the glove box, under the dash on both sides and even inside the engine compartment, but I can't find one. I was visiting another site that said on some models there is none. How can I determine whether mine even has one on my car, and if so, where it is located?
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| My 2001 did not have but I put one in. Do a search for impala hq. In the how to section it tell you how to change it. | |
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Replying to: cabbbailey (Oct 19, 2008 6:40 am) |
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Replying to: cabbbailey (Oct 19, 2008 6:40 am) My 2002 Impala does not have a "Cabin" air filter. I am not sure how difficult it is to retrofit the cabin air filter into the non-equipted Impalas.
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Replying to: cabbbailey (Oct 19, 2008 6:40 am) http://www.wixconnect.com/assets/wixcabinairbrochure.pdf 
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Replying to: revjim64 (Oct 20, 2008 6:45 am)
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