I WANT TO DISCONNECT THE LOUD BUZZING NOISE THAT...

  • Tiny
  • Anonymous
  • 1990 Volkswagen Cabriolet

I want to disconnect the loud buzzing noise that has been on for 6 months. I don't care what the problem is, I just can't stand the noise a sec longer. I'm in an area where all auto motors places don't want to help or act like they've never seen this car before. I'm under the impression it is a low pressure sensor problem. Please HELP!

Friday, October 26th, 2012 AT 9:34 PM

3 Answers

  • Tiny
  • exovcds
  • Member

Oil warning buzzer?

I can help diagnose or eliminate the noise.

Thomas

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Saturday, October 27th, 2012 AT 1:27 AM
  • Tiny
  • mhpautos
  • Expert
  • 30,495 posts

Need more information on this, we have nothing to go on with what you describe.

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Sunday, October 28th, 2012 AT 2:48 AM
  • Tiny
  • exovcds
  • Member

Watch my video about oil pressure switches checking:

http://www.youtube.com/watch?v=-QEms7EGCPU&feature=plcp

You want to focus on the pressure switch above the oil filter.... if the test light does not "light-up" by the time the engine reaches
2000rpm, you will get the warning buzzer in the dash.

If your oil light does not blink at the same time, then your Buzzer Warning Circuit Board is Faulty... it is located in the instrument cluster and
looks like this:

To check if the circuit board is at fault... disconnect the wire from the oil pressure sensor and attach it to a metal part of the engine (clean engine
ground connection). Start the engine and rev past 2000rpm. If the buzzer stays off, your oil pressure switch is bad, the wrong switch is installed
or you actually have low oil pressure.

Thomas

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Sunday, October 28th, 2012 AT 5:14 AM

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