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I thought I had solved my NV3550 transmission issues by swapping out the fluid with Redline. After taking it on a robust drive with highway driving, it became apparent that was not the case. In additon to grinding at downshifting, it also became hard to shift into some gears. Looks like I...

Just wanted to send a shout out to Jerry Bransford. I just bought a 2001 4.0 with an NV3550. Gears crunch every time you shift. After following his advice here, (swap the manual transmission fluid with Redline) the crunch is gone! Thanks for saving me $1500!!

Hey all Replacing all the fluids in my new 2001 Jeep. I have a gallon of Redline 75w90 sitting around from another project. Can I use it for my diffs or do I really need to use the 80w90?

Hey All I'm back! Wasn't planning on a new project but I couldn't pass this up. 2001 4.0 Sport with 168k, Dana 44 and manual five speed for $3500! Paint is in fantastic shape as is the interior. Ok so here's what's wrong with it: Transmission grinds with shifting. Probably needs to be...

So I have a 2003 TJ with the 2.4l engine and the 42rle. I have been rebuilding it and finally got everything fixed (or so I thought) and then the transmission starts giving me grief out of nowhere. Basically the transmission is overheating (I can feel it through the floorboards) and I’m getting...

Troubleshooting grips and large leaks on my 2003 2.4 L Wrangler. Checked all the hoses and replaced the solenoid in the engine compartment. Replaced the vapor leak detection pump filter and gas cap. Found no cracked of split hoses with my smoke or soap and water tests. Driving it home I kept...

Been trying to figure out why the IC, A/C and shifter lights do not work. Multifunction switch has been swapped out and all external lights work. Dimmer controls seem to work as the odometer brightens and find when I turn the dimmer wheel on the MF switch. So I started tracing things out using...

I loosened up my parking brake to do my rear drums. I went to tighten the cable back and when I did, the brake light on the instrument panel stays on. If I engage the parking brake the light goes off. So I re-loosened the parking brake cable and now the indicator comes on and beeps at me...

2003 Jeep PIA project. Got most of it put back together and am now dealing with a number of minor electrical issues. Latest is the horn which was working before I pulled the steering wheel and dash. I have confirmed the horn itself, relay and fuse are good. I pulled off the air bag/horn assembly...

Hey All I have a 2003 with a 2.4L engine. I have been working on multiple issues on this jeep including transmission and engine starting issues. Also repaired some of the wiring. I’ve had the dash and the steering wheel off and reassembled but I just noticed that I have multiple electrical...

Got a good used seat but no brackets. Tried DeadJeep - waited a month before I canceled my order. Anyone have other resources/suggestions?

2003 Wrangler with 2.4L engine. Engine starts after some difficulty, idles ok but when you step on the gas it lacks power, stalls at 2000+ RPMS. So I decided to test the fuel pressure because I ruled most everything else out. Tested (I think properly) the fuel pressure to the rail. Because it...

Been working on bringing a 2003 2.4L TJ Wrangler back from the dead since the middle of last year. Got a lot of things worked out - still got a long way to go. One of my biggest issues was with the fan not coming on at temperature and a number of other erratic behaviors. I have since...

Hey Guys Been struggling to get my 2003 2.4 L TJ running. I’m pretty sure I had a bad PCM. Had a lot of people look at it but in the end I think it was unsalvageable. So I finally tracked down a matching replacement PCM from a salvage yard in Nebraska. I plugged it in today and of course it...

Anyone got a set of rear seat brackets for an 03 wrangler?

Can't seem to find an OEM CPS anywhere for a 2.4 4-cylinder. What's the conventional wisdom on this replacement choice? Standard? Crown? Walker?

I have a 2003 2.4 that I am rebuilding for my daughter. This thing was in rough shape when I got it but at least it was running. Since I had it, I have replaced the radiator, hoses, CPS, tps, battery, terminals, air box, fuses, coil, coolant sensor, map sensor, oil sensor and O2 sensors. I...

I have a 2003 2.4L TJ. The cold air intake is kind of hokey and I would like to got back to stock. Unfortunately, the 2.4 is an ugly unicorn and it's hard to find parts for it. I was thinking about getting an airbox from a 2.5 or something similar and modifying it for my needs. Anyone have...

Got a question I need some help with. 2003 2.4l - PO removed cat and bolted up short, crappy exhaust pipe. I went and bought a compatible walker muffler and pipe but couldn’t marry it up. So I went and bought a male walker pipe adapter and it didn’t fit. After looking at the parts manual it...

Need some help troubleshooting why my fan won't turn on. 2003 with a 2.4L engine. Getting error code P1491. A/C was removed by PO. I run the engine until 210F and the fan does not kick in. Here is what I have done so far. I have replaced both the coolant temperature sensor and the fan...