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Old 05-01-2018, 06:32 PM
Thread Starter
Join Date: May 2018
Posts: 2
ragged to reliable

just wanted to start a thread about my ongoing jeep project. 2012 jku rhd.this jeep will not look very impressive but everyday for 8 hours I will be riding it hard on the worst roads around, roads from red dirt to Swiss cheese roads with more holes than could be counted. I hope that with some guidance I can create a hard ass work truck and help others that have some of the codes my jeep has. I will slowly remedy my situation.

i had an initial budget of around 12k. so doing a little digging we ran across a jku 11 hours from the house. they told me it had a converter code, evap code and drivetrain code. i test drove it and I knew it had potential. red flags I saw also but if nothing else for the price it was a chassis. the purchase was way under 12k so I had room to work on repairs.

the first week I had it home I began to dig into the 3.6 to find out why the converters failed. I thought plugs would be a good start so I began to remove the upper intake. plugs under plenum were white as ghosts while plugs on "easy side" looked okay but had a significant amount of oil in spark plug tube. changing plugs and coilpack on number 1 cleared misfire code

at this point I started looking for oil leaks. I noticed oil leaking from the top rear of the motor. thanks to this site I realized the cooler/filter housing may have issues. so the fuel rail and lower intake had to come off to get to said cooler. the o rings where so sunken and the plastic in such weird color distortion. I believe oil was leaking into intake from flooded valley clogging cats. I bit the bullet and headed to dealership. I bought the 6 plugs at $15 a piece, injector o rings $90 for all top and bottom, gaskets for intake upper and lower $80 and the oil cooler for $230. this repair fixed the oil leak.

to get to the left catalytic converter in my rhd...lol wow. so I began by pulling battery and disconnecting fuse box. after battery sled was out I had very easy access to the 2 converter bolts. cats from stealership for the pair $700. simple install on right side and cat codes cleared. I took it by an exhaust shop before I began and he told me there was nothing he could do. I live in Mississippi and we do not have exhaust laws so I was planning on cutting them off. at his shop is when I realized the 3.6 has a converter/manifold design.

the wheel speed sensor code was a big shock. the previous owner tried to fix this issue but had the power wire from jeep going to ground on sensor. I purchased a new sensor at dealer for around $25 and fixed wiring. the code for the sensor went away but abs and esb remained on. the real culprit of the cel was broken reluctor ring on the right rear axle shaft. took to shop due to time restraints at this point $600. abs and stability control lights went away at this point and for the first time I had cruise control.

so about a week ago i began to use jeep at work and noticed really bad trans shudder in 1st and 2nd gear and going into 4th it would slip.today the jeep is in the transmission shop. rebuild was going to run me $2800 and new was $3200.

after rebuild I should be a tab bit over initial budget but there is allot of new gear in the jeep. last weekend it got a new double din and back up camera. hoping to get under it this weekend and check for suspension woes. I will check evap also but since we don't have emissions here I have no clue what shops actually do smoke tests.

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