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Jeep oil leak

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New User

Apr 27, 2012, 2:34 PM

Post #1 of 10 (2738 views)
     Jeep oil leak  

Hi all I have a 2003 Jeep Liberty.3.7 V6.I noticed a oil leak after last oil change and can't fine it?Its leaking rear engine and I think moving down my Oxygen Sensor line on to the Sensor and burns off...While I drive no leak,after I let sit over nite there is alittle on the exhaust.Not alot but stinks.I checked valve covers and fine,rear seal also looks good.I was told Crankshaft breather may be problem?There in a tube thats right next to the Transmisson drip stick.Looks like vaccum with white spring loaded top on it with oil all around it?Any ideas?

Tom Greenleaf
Ultimate Carjunky / Moderator

Apr 27, 2012, 3:46 PM

Post #2 of 10 (2694 views)
     Re: Jeep oil leak [In reply to]  

Did you do the oil change? Either way if this happened right after one hurry and recheck oil filter and drain plug. I suppose by chance an oil pressure sending switch could do this but you or someone should find it whatever it takes to isolate this.

What the heck is "Crankshaft Breather?" A pcv hose might be the issue or a pcv itself isn't installed properly,

Long retired now

New User

Apr 27, 2012, 4:02 PM

Post #3 of 10 (2686 views)
     Re: Jeep oil leak [In reply to]  

Thanks for the return,I did check PVC hose and PVC which are in the front of this year model.No leaks.And plug and filter,no leaks either.There is a breather plug for the crankshaft sensor and I think there called the samething?Part of the Emissons system.I agree all this because something wasn't done right?Never had a problem like this before..Thank again my friend

Tom Greenleaf
Ultimate Carjunky / Moderator

Apr 27, 2012, 5:04 PM

Post #4 of 10 (2678 views)
     Re: Jeep oil leak [In reply to]  

Just know it's your engine at risk no matter where the source is. If this went nuts and leaked out fast and you didn't notice it's the fastest way to destroy an engine. As said, it needs to be found without fail,

Long retired now

New User

Apr 27, 2012, 8:11 PM

Post #5 of 10 (2654 views)
     Re: Jeep oil leak [In reply to]  

Oh yes I know that,just wanted to see if anyone had any idea's before I take it in and go in blind,know what I mean..They can say it's anything from Seal to Head gasket and what ever cost more I'am sure they'll try lol Can't trust anyone anymore sad to say...Thank you again Tom

Veteran / Moderator

Apr 27, 2012, 11:15 PM

Post #6 of 10 (2644 views)
     Re: Jeep oil leak [In reply to]  

Believe it or not, not every shop is out to screw their customers. We simply are the bearer of bad news. A few bad apples taint our reputation. On this site are nothing less than certified techs, dealer trained techs and shop owners. The very people that are accused of scalping the wallet of the working man. The cars today are built with way more expensive parts and much more complicated systems that require an immense amount of knowledge to diagnose. To diagnose them, we have to buy tools that cost way more than the car you brought to us to have fixed. So don't point the accusation finger to fast. This isn't a board of shadetrees here and we've all invested more in the tools it takes to fix your jeep than you ever paid for it. You will get professional advice for free, and we charge for it on the job. Even David Copperfield won't show you where the rabbit went.

New User

Apr 28, 2012, 12:51 PM

Post #7 of 10 (2630 views)
     Re: Jeep oil leak [In reply to]  

Thanks Nick for your come-back.I do understand the cost and what good shops have to deal with.No way I would group all shops sameway.And as far as finger pointing I wouldn't point at all unless 100% sure of why the pointing?I think this board is great,one of the reason's I do post and have told others what good advice is HERE.Sorry if I offended anyone,but simple facts are,there are way to many that do try and rip people off doing work unneeded..And I'am sure most that do try and take advanage don't really come here anyway...Sorry again if missed understood...

Tom Greenleaf
Ultimate Carjunky / Moderator

Apr 28, 2012, 1:08 PM

Post #8 of 10 (2628 views)
     Re: Jeep oil leak [In reply to]  

No - for years I find this trade is no worse than any other. Bad shops or worse telling you work was done and did nothing don't last long,

Long retired now

New User

Sep 24, 2014, 10:04 PM

Post #9 of 10 (187 views)
     Re: Jeep oil leak [In reply to]  

Ray ritten...... I just bought 03 liberty and I have been chasing the exact same leak as u have. I have changed both valve cover gaskets. Replaced my pcv valve and iv degreased the entire motor and then used the uv dye and I im coming up empty handed. Did u ever figure it out?

Tom Greenleaf
Ultimate Carjunky / Moderator

Sep 24, 2014, 11:46 PM

Post #10 of 10 (182 views)
     Re: Jeep oil leak [In reply to]  

Cory - Please start your own new thread not a 2+1/2 year old one that isn't your exact anything.

This one locked for archives so please start your own,

Long retired now

Jeep oil leak

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