Question about 2002 Jeep Grand Cherokee

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How to replace a oil sending unit on a 02 jeep grande cherokee

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

c17hydro
  • 2984 Answers

SOURCE: where is the oil sending unit switch located on a


Removal & Installation

  1. Disconnect the negative cable from the battery.
  2. Raise vehicle on hoist.
  3. Remove front splash shield.
  4. Disconnect oil pressure sender connector (4).
  5. Remove the pressure sender (2).
7f7455b.jpg
To install:
  1. Install oil pressure sender.
  2. Connect oil pressure sender wire.
  3. Install front splash shield.
  4. Lower vehicle.
  5. Connect the negative battery cable.

Posted on Oct 08, 2009

techbuster
  • 5081 Answers

SOURCE: Exactly where is oil pressure sending unit located

if you have the 5.2 V8 its located in the rear of the engine near the dist cap area you can see it if you look in that area , if 4.0 6 cyl its located on the side of the engine block near the oil filter area. It has two wires going to it and screws into the block. It's made mainly of plastic and if broken can allow oil under pressure to spew out and give you thoughts of a blown rear main seal due to the amount of oil all over the underside.

Posted on Dec 09, 2009

  • 247 Answers

SOURCE: 02 cherokee losing oil pressure when accelerating, fine at idle.

Was the sending unit an aftermarket part?We like to install the original part back into most vehicle, but because of people price shopping, this can cause some issues. If the switch is working properly, the gauge should rise as the engine RPM's increase as you stated. With the key on and the engine off, disconnect the sending unit wire and ground it. The gauge should go to the highest reading, and that checks the wire, and the gauge. I suspect that the sending unit is failed or not the proper one for your vehicle.

Posted on Jan 07, 2010

c17hydro
  • 2984 Answers

SOURCE: Where is the oil pressure sending unit located on

Removal & Installation

  1. Disconnect the negative cable from the battery.
  2. Raise vehicle on hoist.
  3. Remove front splash shield.
  4. Disconnect oil pressure sender connector (4).
  5. Remove the pressure sender (2).
6eaedba.gif
Oil pressure sending unit


To install:
  1. Install oil pressure sender.
  2. Connect oil pressure sender wire.
  3. Install front splash shield.
  4. Lower vehicle.
  5. Connect the negative battery cable.

Posted on Jan 12, 2010

  • 17 Answers

SOURCE: how to change oil pressure sending unit on jeep

First things first do you have a repair manual? If you don't have one get one, Changing the unit is realitively simple, you just disconnect the battery, disconnect the oil pressure sending unit's electrical connector, remove the sending unit, now most sending units are small and look like a short chubby spark plug with an electrical blade connector on the end of it. simply use a wrench to loosin and remove and install by screwing in and tightening and reconnecting the electrical connecter then the battery and your as good as new!

Posted on Feb 12, 2010

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1 Answer

I just bought a '02 Jeep Grand Cherokee and the oil press. indicator is always on H. I heard the engine during idle making a "clancking" sound which i heard before in cars with the wrong oil type...


I would recommend changing the oil and filter, using the correct oil. It's possible the wrong oil could cause the noise. Wait and see if the oil change has any effect on the oil pressure reading. If it doesn't, change the oil pressure switch or sending unit.

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If the oil pressure is good and there is no engine noises then the oil pressure sending unit is the problem.Just replace it and you should be good.Hope this helps.Good luck.

Jan 07, 2010 | 2004 Jeep Grand Cherokee

1 Answer

02 cherokee losing oil pressure when accelerating, fine at idle.


Was the sending unit an aftermarket part?We like to install the original part back into most vehicle, but because of people price shopping, this can cause some issues. If the switch is working properly, the gauge should rise as the engine RPM's increase as you stated. With the key on and the engine off, disconnect the sending unit wire and ground it. The gauge should go to the highest reading, and that checks the wire, and the gauge. I suspect that the sending unit is failed or not the proper one for your vehicle.

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the first i would do is to see if the oil sending unit is ok and if you gage is working right and if they are then checkout the oil pump.

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Hook up a manifold gauge (mechanical temporary use gauge, used by mechanics) and test the oil pressure. You probably need to replace the gauge. The computer sends info through a printed circuit board behind gauge cluster and sometimes you have to replace the whole gauge cluster.

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