Question about 2001 Mercury Cougar

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My car makes a noise when I drive and someone told me I neeed a cold air intake but I don't know if that's right. But after a little while the noise goes away but I still don't like it.

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Cold air intakes are for hot rodding. Try and pin point the area of your noise. It could be your alternator bearing, or an idler bearing, or just a loose belt. Any one of which may go away when the engine gets warm. It could be a dirty air filter needing to be changed. More detailed analysis will locate and find the cause.

Posted on Oct 03, 2010

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1 Answer

I put a K & M cold air intake on my 2003 Yukon Denali and now it sputters and stall when I stop. Someone mentioned I might need to take it to be reprogrammed doe this sound right?


NO. IF IT WAS RUNNING FINE WITHOUT THE PERFORMANCE INTAKE, REMOVE IT AND REINSTALL THE OEM. YOU WILL SEE LITTLE TO NO PERFORMANCE OR MPG GAINS.

Jul 10, 2011 | GMC Yukon Denali Cars & Trucks

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I have a 2001 Yukon XL 1500. I broke an AC belt. I had the belt replaced and the system recharged. It now makes a noise when you accelerate after start up. But that is the only time. AC blows cold...


Actually,you both could be right.It may be the bearing inside the compressor.The compressor does not make the cold air,it helps pressurize the system to get the freon from the evaporator to the condenser.The evaporator provides the cold air.If you can,open your hood and have someone start your car.Have them give it some gas and see if you can pinpoint the noise more accurately.If your compressor bearing causes it to seize up,you will probably only get a couple of miles before your belt snaps.Another slight possibility is the tensioner.It's pretty rare but stranger things have happened.I did have a compressor seizure years ago and snapped a belt though.If you can pinpoint the noise it would help to know.If you can't I would like a better description of the noise though.Good luck! Greg

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1 Answer

04 mazda6 sedan...100000miles and engine jerks?


lets break this down ,there is a little sensor on the air intake known as the air filter [i hope you have changed] it detects the amount of air flowing into the engine.it can be faulty.2if your weather is good for a long time little rubber joints get dried up and like to make noises but sometimes its good to get them checked out,adrian

Jun 25, 2010 | 2004 Mazda 6

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sounds like the ac compresser is going bad. use a shorter belt to bypass the ac compresser to see if that stops the vibration

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If it is whistling while you rev your engine (while parked), then most likely there is a leak or hole in your air intake or vacuum hoses.

Facts:
1. Your car creates a vacuum to constantly receive air from the outside.

2. A whistling noise is created when air travels through a hole.

Check all air pressurized ducts for holes or leaks.
Check air intake system for holes or leaks.

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1 Answer

The front heat selector for my 2003 windstar does not work, it is loose and all I get is cold air, the rear heating works fine.


I have a similar problem with my 2000 Windstar. Mine makes a clicking noise/thumping noise when I move the temp. control. I was told it is the "Blend Door Acutator" which makes sense. The little actuator must have a stripped gear, and is not working as it should. I am in the process of removing mine to get at the "blend door" to try to set it to the heat side for now. It is not above the radio as someone had suggested, mine is located in back of the radio.

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I have a cold air intake on my mazda 6 car. At the top of where the tube meets engine area there is a noise. It's not a constant noise, almost only when the car is first started. I don't know the name of...


without seeing where you are taling about im guessing it to be noise from air going past the idle ait solenoid at the throttle body, since it will be open farther when cold. if that doesnt make sense, try explaining hte noise a little better. i really dont think its anything to worry abotu if it only does it when cold.

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1 Answer

I have a 2003 Subaru Forester (123,000Km) and


If it is a piston or other bad noise it will not go away. If this is what is happening then a good auto mechanic will have to listen to and isolate the noise before they can tell how much it will cost to fix it. Its usually not the piston.If after the car runs for a little while the noise gos away its usually dirt in the engine.Before you think about a very expensive repair try this.Change the oil and filter. Use only good quality oil and a Fram TG or a Purolator Pure One oil filter.My car likes the Castrol Sin Tec Synthetic oil. Yes synthetic cost more but it is better oil.
Let the car warm a little before you drive it every time you start it cold.
Dont let someone drive your car when you are not in the car. I know someone who has a son that was raceing his car when his son told him he was going to the library.
Do your next oil and filter change only after 2000-3000 miles.Then after that no more than 4000 miles between changes.Be nice to your car.
All this I am telling you is only if your noise gos away after tap tap as you said right after you start your car.
I hope this info helps you.

Sep 26, 2009 | 2003 Subaru Forester

3 Answers

Front air blows cold, rear air blows warm


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1 Answer

Dies


remove the after-market cold air intake, and reinstall the factory cold air intake. see what that does and let us know. also a picture of your cold air intake would be helpfull, as i have seen some so called ones that really arn't.

Jun 24, 2008 | 2000 Ford Focus

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