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Old 11-21-2013, 06:46 PM   #1
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No hp at all??

I just changed basically everything on my 01. Battery, plugs/wires, air filter, oil, tranny oil and tomorrow cat and o2 downstream because the light came on. But going up hills it goes 50 mph with pedal to floor and my friends cherokee is a 98 and gets wayy more power. Is it maybe the cat? I was told to regear it, should i do that?

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Old 11-21-2013, 07:08 PM   #2
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Motor, transmission, tire size?

Probably the cat.

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Old 11-21-2013, 07:12 PM   #3
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if you think its the cat , unbolt the exhaust and test drive it
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Old 11-21-2013, 08:47 PM   #4
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It only has 156,000 , tranny shifts fine and tire size is 32 all terrain and thank you!
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Old 11-21-2013, 08:54 PM   #5
Knows a couple things...

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Tire size is 32", what is your engine type, axle ratio, and transmission type, auto or 5-speed?

You can find your own axle ratio which is embossed into a small steel tag at the 9 o'clock position of the differential cover. The tag in the below photo is indicating the axle has a 3.73 ratio.
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Old 11-21-2013, 09:00 PM   #6
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Its a 4.0 6 cylinder automatic. I cant check the axle ratio now but im not sure even where the axle is. Lol sorry. Im still learning !
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Old 11-21-2013, 09:14 PM   #7
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The axle is what is between and provides power to the tires. Look at your Jeep from the rear, that big full-width black housing with the big "pumpkin size" section in the middle is your rear axle.

Get down on your knees with a flashlight & a rag to wipe that tag clean, you'll find your ratio.

This is what your rear axle looks like...
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Old 11-21-2013, 11:50 PM   #8
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It was dark and i couldnt see but i found out the gear and tranny fluid is leaking. This guy i bought it from screwed me over good every single day its a new problem and im in an auto parts store every day. Ugh. I dont know what to do. I hope its just a seal, the tranny shifts great still and every thing feels right, and no light is on.
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Old 11-22-2013, 05:45 AM   #9
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Originally Posted by JadaMinrod View Post
It was dark and i couldnt see but i found out the gear and tranny fluid is leaking. This guy i bought it from screwed me over good every single day its a new problem and im in an auto parts store every day. Ugh. I dont know what to do. I hope its just a seal, the tranny shifts great still and every thing feels right, and no light is on.
Did you perform a thorough pre-purchase inspection prior to buying your rig? Parts breaking and fluids leaking are all part of jeep ownership.
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Old 11-22-2013, 05:57 AM   #10
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I brought my "friend" and he told me eveything was good except the rusted frame which i got welded. I even tried calling a lawyer it was a private as is sale so id lose. But ah whatever. I wont give up on the wrangler, that guy is just disgusting for not caring for it
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Old 11-22-2013, 06:22 AM   #11
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exactly how did you change the auto trans fluid? Did you have it flushed or did they drop the pan and replace the filter?
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Old 11-22-2013, 06:30 AM   #12
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Well the torque converter sullonoid was bad, i took that to a mechanic that does just trannys and i told him everything is rusted pretty good and he said if the bolts gave out hed have to weld, but when he was done he said he flushed the oil and fixed it without having to take off the bolts. Im unsure how he did it though.
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Old 11-22-2013, 06:41 AM   #13
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The problem could then be related to the 156k miles and when you just flush(which he may have dropped the pan, which would have been better) the system all the crap(metal flakes) that are in the system, which in some cases the trans now needs to work are removed or get moved to new areas which can clog, and make it bog down... that being said.... check the cat and see if that is your issue as that is much less costly fix...
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Old 11-22-2013, 08:11 AM   #14
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When the peddle is to the floor, does the engine rev up or does it bog down? If it revs up and it is not speeding up, then the clutches in the transmission are slipping, if it bogs down, then the transmission is not down shifting, both conditions need to be checked by a mechanic.
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Old 11-22-2013, 02:20 PM   #15
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Originally Posted by JadaMinrod View Post
It was dark and i couldnt see but i found out the gear and tranny fluid is leaking. This guy i bought it from screwed me over good every single day its a new problem and im in an auto parts store every day. Ugh. I dont know what to do. I hope its just a seal, the tranny shifts great still and every thing feels right, and no light is on.
I would definitely fix those leaks. A leaking tranny can ruin your transmission. I know this from personal experience. It just gets worse over time, and eventually it will burn up your tranny. I didn't catch the leaks and by the time I did, my tranny was too far gone. My tranny was shifting horribly, by the time I found out about all the leaks, and then it was too late. If your tranny is still shifting good, it is not too late. Burning up your gears is not a good idea either. Fix the small problems before you have big problems. A couple hundred dollars, versus thousands of dollars.

As far as the guy who sold it to you, he probably did it because he wasn't taking care of it, and didn't want to fix the problems. This doesn't make him a bad person. He just didn't take care of his Jeep. If you want to take care of it, you WILL have to fix the problems. Unfortunately, this is normally what happens when you buy a used vehicle and get a good deal on it.

Either, you take care of the Jeep, and it takes care of you. Or, you don't take care of it, and you dump the problems on someone else.
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Old 11-22-2013, 04:54 PM   #16
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I got it checked and its not leaking its from the flush that its leaking around it. The guy lied to me though, he told me he always kept up on maintainence, drove it every day, took care of it, well im finding out now he lied haha.

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