loud 1997 altima - Engine and Car Noises


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loud 1997 altima

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Auto Repair Home>> Automotive Repair>> Engine and Car Noises

nissan altima 97
New User

Oct 25, 2009, 7:55 AM

Post #1 of 3 (2872 views)

loud 1997 altima	Sign In

I have a 1997 Nissan Altima GXE with 145,000 miles on it. Recently, it sounds like a diesal engine truck while running., or more specifically like there is something wrong with the muffler(which there isn't) It also seems to be idling faster than usual. It may not be related to the noise but there has been a large amount of carbon around my gas cap. The mechanic looked at it and couldn't find the source and my car recently passed MARTA. Recent repairs include: new water pump, new radiator, spark plugs, gasket cover, brake pads. Any suggestions on why it is so loud ? It isn't overheating, and the transmission seems fine. thanks

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Oct 25, 2009, 9:17 AM

Post #2 of 3 (2865 views)

Re: loud 1997 altima	Sign In

What kind of noise is it?

Rattle
knocking
loud exhaust leak
growling
squeeling

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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

Loren Champlain Sr
Veteran / Moderator
Loren Champlain Sr profile image

Oct 25, 2009, 12:32 PM

Post #3 of 3 (2857 views)

Re: loud 1997 altima	Sign In

Can you hear the noise with the engine idling? Is the noise coming from the engine compartment? Using a piece of hose like a stethescope, with one end at your ear, you should be able to pin-point where the noise is coming from. It's possible that you have an exhaust manifold leak that could be hidden with a heat-shield?
Loren
SW Washington

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