1998 Nissan Maxima Vibration at 50 mph and above

Tiny
SANJUGV
  • MEMBER
  • 1998 NISSAN MAXIMA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 101,025 MILES
Hello, I have a vibration problem on my car. At slower speeds I notice no problems and than a wheezing sound as if air is escaping through a tiny hole somewhere. After a few miles of running, the oil lamp lights up. I had replaced the oil pressure switch (from Autozone, after-market). But when I accelerate the car in park or when I start moving the car, it turns off. It again comes back when I slow down to like 20 or 15 mph or parks my car. The vibration is also very exaggerated and noticeable when I am stopped somewhere in drive, and take my foot of the brake very little so the car moves forward by inches. I let go of the brake or apply brakes fully I dont notice it. I once happened to over fill the engine oil once to about 1 or 1.5 quarts more than required at night and next day there was a large oil spill under the car (I didnt spill it). I drove it around for 50 miles the next day on the highway. Any idea what is causing this? THanks a lot.
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Saturday, July 31st, 2010 AT 12:29 PM

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Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
Hi there,

Thank you for the donation,

I feel that you need to do a few things here, firstly with the oil light problem, I would suggest that you get the oil pressure tested with a mechanical gauge, this will give us a true pressure reading, with that reading we will then be able to work out what to to next, I would also be checking for a vacuum leak, this may be the odd noise you describe and it would cause the rough idle condition also, start here.

Mark (mhpautos)
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Saturday, July 31st, 2010 AT 7:02 PM

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