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Oil pressure light beeping and flashing

Tiny
BARB64865
  • MEMBER
  • 2002 VOLKSWAGEN BEETLE
  • 2.0L
  • 4 CYL
  • FWD
  • MANUAL
  • 124,000 MILES
The oil pressure light is beeping/flashing at around 2,000 rpm's in second gear. If I downshift or accelerate, the flashing stops until I have to downshift again to that range. We know that a hole was knocked in the oil pan and it was replaced and everything was checked out at that time. There is no knocking or noise of any kind. The car only has about 124,000 miles. We are trying to put a regular gauge on it to be able to check the actual oil pressure, but we cannot find where to connect the gauge to the engine and cannot find anyone else that knows either. They all think they do until the get under the hood. Where can we hook the gauge up, and what is a "safe" range to continue driving the car? We bought this for our daughter's first car, and we do not have a lot of money to put into it. Any ideas?
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Tuesday, December 6th, 2016 AT 10:54 AM

9 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Easiest way to do this as we have no lub direction in our manual is to get a "T" screw in switch and connect wire and screw in gauge. It should be 2.7-4.5 bar at 1500 rpm's or 39-62 psi. A bad oil filter can cause this so try wix, Purolator, bosch, and Napa.
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Tuesday, December 6th, 2016 AT 12:10 PM
Tiny
BARB64865
  • MEMBER
  • 5 POSTS
We bought a gauge that we could mount inside the car. Where do we find the spot on the engine to put the cable? I have asked several "mechanics" and none of them seem able to find the spot either.
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Tuesday, December 6th, 2016 AT 12:35 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Right where oil pressure switch is like I said go to auto parts and get a "T" then hook it up there.
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Tuesday, December 6th, 2016 AT 1:30 PM
Tiny
BARB64865
  • MEMBER
  • 5 POSTS
No one can find the oil pressure switch. That is where we are stuck. We know what to do as soon as we find it.
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Tuesday, December 6th, 2016 AT 1:36 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
You have the none turbo engine?
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Tuesday, December 6th, 2016 AT 2:33 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
It is on the left side of engine on left side of oil filter flange. In picture I am assuming double arrow is filter so look where single arrow is pointing. Sorry, we have no other pictures.
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Tuesday, December 6th, 2016 AT 3:09 PM
Tiny
BARB64865
  • MEMBER
  • 5 POSTS
Ok. We looked where you said it would be, and there is nothing there to connect the gauge to. Any other ideas?
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Wednesday, December 7th, 2016 AT 7:56 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
What I sent is where the switch is supposed to be if the switch is there remove it then install a "T" available at auto parts, then install gauge and switch and rehook the electrical to the switch. That is the only thing we have of this engine for where location of switch is supposed to be in that area off the oil filter flange.
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Wednesday, December 7th, 2016 AT 11:59 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Do you have the turbo or non turbo engine you never said?
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Wednesday, December 7th, 2016 AT 12:42 PM

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