Question about 1989 Chevrolet C1500

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Where is the oil pressure sending unit on a 1989 chevy silverado c1500

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6ya6ya
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Posted on Jan 02, 2017

  • 508 Answers

SOURCE: locate the oil sending unit on a 2003 6.0 2500HD silverado

You will find it down by the oil filter.

Posted on Feb 07, 2009

postings909
  • 130 Answers

SOURCE: were is the oil presure

ON THE REAR TOP PART OF THE MOTOR YOU HAVE TO CRAWL ON TOP OF THE ENGINE, HOPE THIS HELPS YOU. THE ARROW POINTS TOWARD THE FRONT OF THE ENGINE SO CAN HAVE AN IDEA OF THE LOCATION=.........I UPLOADED THIS PICTURE TO HELP YOU OUT.... 591e1c8.gif

Posted on Aug 04, 2010

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Chevy 2005 silverado low oil pressure replaced oil sending unit and the cluster no noise from engine


Put a gage in the sending unit hole and see if the oil pump is weak, that is the best way to tell if the engine pump is ok.

Jun 30, 2014 | 2005 Chevrolet Silverado 1500 2WD

1 Answer

Oil gauge looses pressure at times. For 1989 Chevy 1500 pickup. What does this mean?


It could be the sending unit, or the engine could really be loosing oil pressure. Low oil pressure can be a number of things including a weak pump, blockage at the pickup screen, or worn bearings.

Jan 30, 2014 | 1989 Chevrolet C1500

1 Answer

My oil pressure gauge gos very low when at a stop light check gauge light comes on oil was just changed and is full is the sending unit bad


do you hear any knocking when the oil pressure goes down than yes is the unit but some time all you have to do is change the oil filter a good brand

Feb 26, 2013 | 1989 Chevrolet C1500

1 Answer

I have 1991 Chevy Silverado. When its not warmed up the oil pressure is normal but when it gets hot the oil pressure drops to 0 at idle and in drive but seems to be normal when I am giving it gas.It still...


I have seen this problem, if you have no oil pressure the engine would be rattling, the oil pressure sending unit could be bad, you can buy a oil pressure gauge to test and make sure oil pressure is ok, the sending unit may fix your problem.

Aug 05, 2011 | 1991 Chevrolet C1500

1 Answer

Okay now i have a 91 chevy c1500 w/ a 350 5.7 liter, 2wd. i am having oil pressure problems. tonight i put a new oil pump and screen on. new oil with Slick50 and oil filter the oil cooler has a new o-ring...


You need to have the oil pressure checked with a manual oil pressure gauge you may have a bad sending unit. If the you oil pressure is the same with the manual gauge then you have a oil pressure problem.

Feb 17, 2011 | 1991 Chevrolet C1500

1 Answer

98 chevy 1500 starts and then shuts right off have replaced fuel pump and filter ,crank sensor,cam sensor ,oil sen. coil,ign.mod and PCM


On some chevys the oil pressure sending unit closes the circuit to continue the fuel pump to run after start. In the event of a wreck ,the car stops running thus no oil pressure thus turns off power to the fuel pump .A safety to help prevent fires. When you first start the car, the computer turns on the fuel pump for about 20 seconds just enough time to start and allow the oil pressure sending unit to close the circuit to allow it to continue running. when the car car has NO oil pressure or the sending unit fails ,it will start then shut down..as many times as you try to start. replace the oil pressure sending unit and secure a good conection. Dan

Feb 13, 2011 | 1998 Chevrolet C1500

1 Answer

My 2005 Chevy 1500HD when cold there is no oil pressure accoring to the gauge. But after a few minutes of running and then a restart of the engine the oil pressure is bake to normal.


most likely the problem is the oil pressure sending unit or the oil passage to the sending unit is partially plugged, that is unlikely, I would replace the sending unit 1st.

Jan 15, 2009 | 2003 Chevrolet Silverado 1500

1 Answer

Oil Pressure Problem?


just fixed that problem myself. it was an oil pressure sending unit. twelve dollar part. and i was thinking oil pump or something... 12 dollar part. oil pressure sending unit.

Sep 18, 2008 | 1989 Chevrolet S-10 Blazer

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