Question about 2003 Nissan Altima

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When the AC in my 2003 Nissan Altima is running I hear a strange rattling/grinding noise what could this be?

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Sounds like your A/C compressor clutch went bad. Hope this was helpful.

Bryon

Posted on Feb 05, 2010

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I had same problem with mine, however, it was the pulley and tensioner...i had them replaced it got better...but now i am having all kind of problems with it

Posted on Feb 24, 2010

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The e t c is buzzing what is causing this


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Jan 05, 2016 | 2000 Nissan Altima

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'04 Altima - rattle under car


yea, flimsy plastic under front end, wheel wells, etc., could also be @ brake calipers, they have a flimsy metal clip that creates noise, all these will give you noise, just reinforce the plastic with screws,it works, some silcone will quiet the brake noise, check you CVjoints ,boots, make sure the rubber bellows are still attached, no cuts or splits with grease coming out, that would be a grinding noise. check your BELTS, worn or stretched needing replaced or tightened. that should do it.

Mar 10, 2013 | Nissan Altima Cars & Trucks

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Loud noise engine


Knocks ---big ends or main bearings
rattles-----tappets worn or loose or hydraulics leaking down too fast
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Jan 29, 2013 | 2003 Nissan Altima

1 Answer

My 2003 Altima makes a loud grinding noise when I start it. It starts right up and the noise stops.Could it be the starter?


more than likely it is the starter. I would take it in and have it checked, you dont want to be left stranded somewhere with a car and no starter. The gear teeth are probably chipped

Aug 24, 2011 | 2003 Nissan Altima

1 Answer

Loud noise when air is on had belt tension replace still making noise now im told its the engine mount


This is hard to answer without hearing the noise, a 2005 altima it would have to have alot of miles or have been drinen hard to need a motor mount, the compressor could be noisey or may be a loose heat sheild on the exhaust,a squeal noise would be a belt a rattle noise could be a pulley going bad or something loose, when ac is on it puts more strain on engine causing things to shake,i would have a second shop just look at it before doing anything, see if they both come up with the same problem, and dont tell them what the other shop told you about the mount, tell them only after they tell you its something else.

Aug 14, 2010 | 2005 Nissan Altima

1 Answer

Rattling / grinding sound coming from engine area when vehicle is in gear and car break is applied, but when gear is set into neutral noise stops. Was told the problem was the aircondition compressor....


Just a couple ideas...
Your engine and transmission will shift slightly when in drive, and maybe that movement is allowing it to rub on something. Another issue may be that the noise is actually from the transmission.
Torn motor mounts will allow the drive train to shift or move farther than normal.

Jul 07, 2010 | 2003 Nissan Altima

1 Answer

2005 Nissan Altima makes rattling/vibration noise


It is possible that you have some timing chain noise, especially if you have the 3.5L engine. The secondary timing chain tensioners on the 3.5 have a known problem, Nissan has issued a service bulletin regarding this and there is an updated part to replace them. It is not a cheap job, but your dealer may give you some "goodwill" depending on your mileage. If you have the 2.5L the problem may a couple of other things...even more serious! They had catalytic converters that came apart and got ingested into the engine, eventually destroying it. Try googling "Altima rattle" and include your engine size in the search. There is a ton of info on the net about noises in these cars.

May 31, 2010 | 2005 Nissan Altima

1 Answer

We have a 2002 nissan altima that has started making a loud rattling noise. There appears to be two rings loosely hanging on a flexible portion of the exhaust.


Just take it into the exhaust people and they will rehang it with new surports plus the muffler might have baffles broken .

Oct 02, 2009 | 2003 Nissan Altima

2 Answers

2003 Nissan Altima, Air condition makes loud noise when the unit is turn on. It slows down where u cant almost hear it after you turn the fan off.


When you put your A/C on, there is Vacum Motor or Solonoide, that increases RPM of the Engine to compensate the load of an A/C. If the vacum hose is leaking or raptured the RPM of Engine remain low and Engine Shakes. When you put the A/C on and the RPM of Engine Increases, but a little, then your Selonoide is working but not adjusted properly, so adjust it for the proper RPM of the Engine. Put all the loads on, I mean Head Lights and A/C on and then ajust the RPM.

Jun 02, 2009 | 2001 Nissan Altima

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