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Jeep Cherokee

2528 messages,  Last post on Nov 19, 2009 at 2:11 PM

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What is this discussion about? Jeep Cherokee, SUV


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#2466 of 2528
Re: what is this and why is it seeping oil / gas?!?! [salinity] by salinity
Mar 29, 2009 (10:28 am)
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Replying to: salinity (Mar 29, 2009 6:50 am)

OK - so after some looking and posting, it appears as if this is my oil pressure sensor:
 oil pressure sensor
 
(the elec tape is there to prevent the white part on top from popping off).
 
So, is it likely that some sort of diaphragm within the sensor unit is compromised and that's causing seepage into the top connector? If I were to replace this, apart from draining the oil, is there a way to prevent oil from pouring out when I remove the old sensor unit (if it would even pour out)? Any other advice pertaining to replacing this is appreciated.
#2467 of 2528
Re: what is this and why is it seeping oil / gas?!?! [salinity] by paule
Mar 29, 2009 (5:31 pm)
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Replying to: salinity (Mar 29, 2009 10:28 am)

I would go down to your local Jeep dealer and look at their "drawings" to find out exactly what it is and purchase one.
If it is the oil sensor and it is in the side of the engine block, you won't even need to drain the oil. All of the oil will be in the pan when the engine is not running.
Just pull it out and install the new one. Put a little bit of oil on the O-ring if it has one and reconnect the electrical connection.
Good luck!
#2468 of 2528
Re: re [land_shark] by paule
Mar 29, 2009 (5:36 pm)
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Replying to: land_shark (Mar 27, 2009 2:19 pm)

I'd be a little nervous if my gauge was reading that low.
 
I would change the oil pump just for peace of mind. You may have a bit of junk in the oil pan and it may be blocking the oil pickup a little bit. If it blocks it enough,...........
 
It's a bit of a pain to get the oil pan off but if it was me, I'd change it. Make sure you have a torque wrench to reinstall the oil pan.
#2470 of 2528
1989 Jeep Cherokee 4x4 auto with the 4.0 straight 6 by mataus
Apr 16, 2009 (7:50 pm)
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I really hope someone can help me with this problem I'm having...
 
I started to get this wobbling vibration in the rear of my Jeep at about 40 to 50 Mph. It wobbles so hard that it almost feels like the rear end is going to fall off the truck. Problem solving the issue, I first thought was that maybe the drive shaft was out of balance. In thinking that was the problem, I went ahead and pulled the drive shaft off. After doing so, I went ahead and took the Jeep out for a spin in 4 hi. Again, when I got to about 40 to 50 Mph, the wobbling vibration still occurred. So than I went ahead and lifted the front end of the truck up and spun up the tires. I wasn’t getting any kind of vibration at all. In doing so, I realized that it had to be coming from the rear end of the jeep.
 
So my question is this, what would cause the vibration? I tried out different tires but it still occurs. The one thing I haven't done was to change out the shocks in back. Do you think that this would be the problem?
 
If there is anyone who can help, it would be greatly appreciated..
 
Tracy
#2471 of 2528
Re: 1989 Jeep Cherokee 4x4 auto with the 4.0 straight 6 [mataus] by paule
Apr 16, 2009 (8:16 pm)
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Replying to: mataus (Apr 16, 2009 7:50 pm)

When I first read this I was sure it was a wheel that had some of the weights come off but it looks like you've already ruled that out with trying different tires.
 
I'd look for the easy stuff first. Get under your jeep or lift it up such that the wheels are still on something so that the suspension is compressed (be safe!). Look to see if any nuts have come off of the suspension components. Break out your torque wrench and torque EVERY bolt\nut that is part of your suspension. Take it out for a drive.
 
Still there? Check your rear wheel bearings. You should be able to jack it up to see if you have any play.
 
It could be your shocks but you should be able to rule that out by standing on your bumper on each side of the vehicle and stepping off. If it oscillates more than a couple of times, you may have a shock issue. Typically you'll see evidence of oil leakage on the shock if they're bad.
 
Hope this helps. Good luck.
#2472 of 2528
Re: 1989 Jeep Cherokee 4x4 auto with the 4.0 straight 6 [mataus] by mguy
Apr 17, 2009 (12:43 pm)
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Replying to: mataus (Apr 16, 2009 7:50 pm)

If you read through some of these questions, you will find that the wobble is probably from the front end of the vehicle. My jeep did the same thing. When I got under it I found that my swaybar links and bushing were bad. I have had no issues since I replaced them.
#2473 of 2528
Re: 1989 Jeep Cherokee 4x4 auto with the 4.0 straight 6 [mguy] by dancerman
Apr 21, 2009 (7:06 am)
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Replying to: mguy (Apr 17, 2009 12:43 pm)

I agree. Commonly known to Jeep owners as the "death wobble".
#2475 of 2528
Re: what is this and why is it seeping oil / gas?!?! [salinity] by loosenut
Apr 22, 2009 (5:29 pm)
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Replying to: salinity (Mar 29, 2009 10:28 am)

the oil sending unit is higher than the oil level ,so-other than a few drops-it ain't gonna leak loke when you pull the oil drain plug..
--ALSO!! NEVER-NEVER run ANY of that 5wxx oil!! this stuff wasn't even used as break in oil back in the -70's..it's too thin!!..
-as a extremely poor person-forced to drive other's throw aways,and have bought more than one car,where despite what i thought was a decent test drive-when -80 degree weather hit-i'd start hearing a rod knocking..one car was so bad,and my need for a running car were so desprate,i ran straight sae 50 in it..it lasted me over two years!..not too bad for a 500.car..
--why the manufacturers recomend this thin-crappy oil is two fold..one is,a engine running thinner oil will get a ounce better gas mileage,raising their corprate fuel mileage..--second,running 5w20 oil ,the engine will only last about 100,00 miles-at best,and that's when they want you back in the showroom,so they can sell you a NEW one..making cars last doesn't do their bottom line any good,-it's called "planned obsolecense"..that's why fuel pumps-witch are a ROYAL pain to replace-only last about 80,000..
--if you want what you got to last,use the heavier oil,put in the zmax,don't put that cheap crappy gas in a old car(duuuuh!!)heavy synthetic-a10 or 15w40-50 in a jeep should keep it putting along for many good miles,-it won't help when you roll it down the hill sideways,but-ya can't have everything!!

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