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Oil Pressure sensor

Tiny
ROYGOSSETT
  • MEMBER
  • 2006 CHEVROLET AVALANCHE
  • 5.0L
  • V8
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
I need to know the location of the oil pressure sensor. Please provide a detailed description of the location.
Wednesday, March 18th, 2015 AT 10:05 AM

21 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Here is location, 3.5L engine. Give me a second and I'll give you the wire colors for connector, the wire colors should narrow it down for you. If trouble seeing top rear of engine use a mirror and flash light or drop light.

If anybody else has better ideas, jump in. No problem.
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Wednesday, March 18th, 2015 AT 10:49 AM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Sorry I meant the 5.3L engine, didn't see 5.0.
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Wednesday, March 18th, 2015 AT 10:52 AM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Here are wire colors. Again in our database locations I didn't see 5.0, did see 5.3L
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Wednesday, March 18th, 2015 AT 11:02 AM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Shoot, I hit the wrong button.
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Wednesday, March 18th, 2015 AT 11:03 AM
Tiny
ROYGOSSETT
  • MEMBER
  • 26 POSTS
Thanks very much for your assistance. I greatly appreciate it.
Roy L. Gossett
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Wednesday, March 18th, 2015 AT 3:22 PM
Tiny
ROYGOSSETT
  • MEMBER
  • 26 POSTS
You guys are great. Good to have you on my computer.
Roy L. Gossett
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Wednesday, March 18th, 2015 AT 3:23 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Glad you got it going your way.
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Thursday, March 19th, 2015 AT 9:19 AM
Tiny
ROYGOSSETT
  • MEMBER
  • 26 POSTS
Thank you. That sensor was extremely difficult to get to. A mechanic tells me that they have had many malfunctions of that particular sensor on that particular engine. Again, thanks for your valuable assistance.
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Thursday, March 19th, 2015 AT 12:30 PM
Tiny
MACREMACLE
  • MEMBER
  • 2 POSTS
  • 2005 CHEVROLET AVALANCHE
  • V8
  • 4WD
  • AUTOMATIC
  • 83,000 MILES
How do you change the oil sending unit? I am stuck
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Friday, December 11th, 2020 AT 12:17 PM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,833 POSTS
Hello,

The oil pressure sender is up at the rear of the engine at the rear of the intake manifold.

Here is a guide to help you see what I am talking about.

Check out the diagrams (Below)

Please let us know if you need anything else to get the problem fixed.

Cheers, Ken
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Friday, December 11th, 2020 AT 12:17 PM (Merged)
Tiny
MACREMACLE
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Thank you this site is great.
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Friday, December 11th, 2020 AT 12:17 PM (Merged)
Tiny
NSEALS72
  • MEMBER
  • 1 POST
  • 2005 CHEVROLET AVALANCHE
  • V8
  • 2WD
  • AUTOMATIC
  • 54,000 MILES
Where it the oil sending unit.
What would cause the oil gauge to go all the way to the right, reading HIGH oil pressure.
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Friday, December 11th, 2020 AT 12:17 PM (Merged)
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Hi
Top rear engine see diagram


https://www.2carpros.com/forum/automotive_pictures/198357_Graphic_251.jpg


Sender could cause gague fault best way is have mechanical guage to read oil pressure.
Hope this helps
Thanks for donate
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Friday, December 11th, 2020 AT 12:17 PM (Merged)
Tiny
MACREMACLE
  • MEMBER
  • 2 POSTS
  • 2005 CHEVROLET AVALANCHE
  • V8
  • 4WD
  • AUTOMATIC
  • 85,000 MILES
Where is the oil sending switch located?
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Friday, December 11th, 2020 AT 12:17 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Engine oil pressure sensor


https://www.2carpros.com/forum/automotive_pictures/12900_oil_pressure_sensor_4.jpg

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Friday, December 11th, 2020 AT 12:17 PM (Merged)
Tiny
ZARDOG77
  • MEMBER
  • 1 POST
  • 2003 CHEVROLET AVALANCHE
  • V8
  • 2WD
  • AUTOMATIC
  • 12,000 MILES
For the past couple of weeks my oil pressure gauge has been stuck at 80 yesterday I drove on the interstate and whenever r.P.M. Got over 2000 the gauge would got to 0 then right back to 80. I stopped check oil level and payed close attention for knocking but everything sounds and runs good. This trip was about 140 miles round trip no problems. My question is does this sound like an oil sending sensor?If so where is this located-i have replaced these on older vehicles but am having trouble locating this one. Thanks for any information you can give
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Friday, December 11th, 2020 AT 12:17 PM (Merged)
Tiny
IMPALASS
  • MECHANIC
  • 3,112 POSTS
Hello -

Not sure if your model is the 1500 or 2500. . .. . .. . .this is from a 1500. . .. . .. . ...also. . ...you need to look at the 8th digit of your VIN. VIN letters V, T, U and G are all located on the top rear of the engine. . .. . .. . ...the only one I have a pic for is the VIN G, 8.1L. . .. . .. . ..

This may assist you in locating yours. . .. . .. . .. . .. . .


https://www.2carpros.com/forum/automotive_pictures/248015_Graphic_4.jpg




https://www.2carpros.com/forum/automotive_pictures/248015_Picture1_79.jpg

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Friday, December 11th, 2020 AT 12:17 PM (Merged)
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Hi
Does sound like the oil sender. Located on top of rear engine. About there trans bolts on.
Hope this helps
Thanks for donate
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Friday, December 11th, 2020 AT 12:17 PM (Merged)
Tiny
MRACOSTA
  • MEMBER
  • 1 POST
  • CHEVROLET AVALANCHE
2003 Chevy Avalanche 5.3L Z71, 70K miles, Oil pressure gauge is reading 80psi when I turn to ON position, and 80psi when engine is running. Oil level is OK, and no unusual noises. Is the oil pressure sender bad? Where is it located on this engine?
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Friday, December 11th, 2020 AT 12:18 PM (Merged)
Tiny
THIS IS MIKE
  • MECHANIC
  • 686 POSTS
The oil pressure sensor is located at the rear of the engine block next to the distributor on the drivers side.
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Friday, December 11th, 2020 AT 12:18 PM (Merged)

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