There is a Grand Cherokee specific section, those guys will know more than us... we're wrenching on crap from the 80s

 

Thanks for the replies. I'll just use this as an excuse to pack lighter

 

So my jeep wobbles severely from the front end it hits a bump it starts shaking like an earthquake it was small and short when I first noticed it had a shake now they are long and hard... where should I start to look??

 

what could be the reasons to flash a pcm? i have a sticker on my top rad support saying the pcm was flashed (can't remember if there's a date or mileage), but have no idea why this could need to be done.

 

I have searched high and low for an issue that is similar to mine. But havent found anything the same. I have cleaned the tb and tps and re adjusted checked for blown fuses and tried with the tcu unhooked but same issue. Not sure what else to look for
(The problem) 87 xj auto starts up drives in any gear for first minute or so then out of nowhere it has nothin.(no noises when it goes either) just revs no matter what but if you shut off sit for a minute or so start again it moves it i bought it like this but it pulled itself up on the trailer when i bought it just had to restart it a few times.

 

That is called "Death Wobble."

Unfortunately it can be many things, and usually it is several things. I recently had death wobble that was caused by imbalanced front tires but didn't present itself until I had replaced the upper and lower ball joints.

But it could have been anything that touches the front axle, from control arm bushings to a bad pitman arm.

 

Recall:
http://www.jeep.com/webselfservice/pdf/E22.pdf

 

makes total sense, i'm from canada though but it probably is the same recall but by chrysler canada.

thanks!

 

https://www.cherokeeforum.com/f51/di...-wobble-55021/

 

How is your fluid level and condition?

 

Cruiser54
Fluid level is normal when warm and is burnt up or brown or anything

 

You could have a solenoid issue in the trans.

They can be checked for resistance without removing the pan.

That said, ever do Tip 10 at www.cruiser54.com?

 

Cruiser54
I have had your site bookmarked and used it when doing the throttle body and setting the tps. I have done the freshening up of the connections to everything and checking cleaning all the fuses even tried unplugging the tcu because i thought it would let me shift manually but same result plugged in as unplugged. I havent tried checking the solenoids yet though. That will be what i do today.

 

Would an automatic transmission from a 93 XJ work if it were put into an 88 XJ that was a manual?

 

Kinda sorta not really. You'll need the correct flex plate for the Renix, and at least the TCU and wiring. Renix used a different TPS for automatic as well. I imagine the ECU is different as well but not totally certain on that.

Also, there are some mechanical differences with how it mates to the transfer case: http://www.naxja.org/forum/showthread.php?t=1053970