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2000 Pontiac Bonneville high oil pressure all of a sudden--

Tiny
JIMP
  • MEMBER
  • 2000 PONTIAC BONNEVILLE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 115,000 MILES
Our oil pressure all of a sudden went from like 60# to almost 120# do you know what would cause that?
Question #2----when it gets freezing out, the rear suspension gets still and one side sits and inch higher than the other, and when you hit a bump in the road the car feels like a lumber wagon, and like jolts or dashes or wobbles? From like the back right to the front left, like teters, and almost gives you whip lash and and a sore butt. Any ideas, or have you ever heard of this before on this model?
Thanks
Jim Pesch
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Thursday, December 20th, 2007 AT 3:36 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Q1- Check the oil pressure with a mechanical gauge if it checks out-replace the oil pressure sending unit-if not normal consider replacing the oil pump.

Q2- Have the rear suspension checked out could be the struts/control arms.
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Thursday, December 20th, 2007 AT 3:45 PM

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