Question about 1984 Jeep CJ7

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1984 Jeep CJ7, Gear shifting / Linkage problem

In a 1984 Jeep CJ7, Shifting into third gear, the linkage is sticking, or not going into gear at all. The gear shift lever has been replaced which has considerably lessened the issue but the issue remains nonetheless. To ''unstick'' 3rd gear, I found a swift (but definately NOT hard, this has to be done in a diagonal shift and NOT the standard H formation to unstick it) shift back towards second gear releases 3rd gear but nothing else will. When the shifter is in the 3rd gear position, at times it isn't actually in gear and a quick ''slam'' back into third puts it back in gear and allows continued shifting.

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Likely the shift rails are worn inside the trans. In changing shift, you have removed the wear on the end of the stick, but not the corresponding wear where the stick fits into. It will need to be taken apart to repair this. (would not hurt to have synchros replaced at the same time.) OR, replace transmission if you have an inexpensive one available.

Posted on Mar 10, 2009


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My dad always lectured me to "look for the most likely or obvious things first." First, for a moment, I'll assume you're talking about an automatic transmission... If so, check the ATF (automatic transmission fluid) level.. Correcting any problem there just might fix you up.
If you're talking about a manual shift transmission, and I'm afraid that you are, that's a whole different deal. There's a mechanism, and it can either be on the outside.. or the inside of a transmission... that's allowing one shifting lever to remain engaging a gear.. as you're trying to engage another gear with a different shifting lever. A vehicle will not move very far if it is in two gears. The idea of it actually being between two gears or being in two gears at once, is quite concerning. A broken shifting fork inside the transmission can cause this.. If there's shifting linkage you can get to, you can try to make sure that all linkage is in the neutral position. If you can accomplish that, it should go... and you'll need to take it easier on your shifting gears... because, unless you get some repairs made, it can easily happen again. If you get all the linkage in a neutral position... and then the car is willing to go, that means it is still in a gear... which is bad.... Your transmission needs work.

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I am looking for recommendations for someone in Chicago who is expert with the '84 Jeep CJs. I have an '84 CJ7 and the linkage seems to be shot, making it very difficult to shift into gear. Once it gets...

not true, at all , any ASE mech can do this.... sorry, its a fact.
the linkage (A/T or M/T , 4wd lever or main gear shift lever>???)
try hard to say , exact what part is bad.
A/T box
4WD, issues, ( on my 5th jeep, and have 2 now) Can fix any car.

if i was there, id have you, show me what to do , to get the failed
symptoms. you;d say, sit here, and grab , this? what is this.
the manual stick shift, and id , push in the clutch.
and id see , the clutch works but the shifter parts (bushings) are shot
and the lever flops about,,,, so i pull it down and rebush it with factory parts.
or ,if an A/T id sit there, and put it in Drive, the car dont move
i then try all other gears, L 2, R , do they fail too???
i make sure the linkage shifts correct at the actual tranny.
if not the linkage is bad (loose) or needs adjustment , (FSM covers ways and spec)
like that.
no mech needs to know jeeps. not at all, there is nothing magic here.
"like French cars"
you only need to know 4wd cars. both A./T and M/T

do post back with car spec. with options. we dont know. that.
cant see it.
if your car is not stock, then sure , any mech, will have trouble.
frankejeeps or fanken cars of any kind, are a big problem.
there is no limits to the frank (hacks) is why,
done many,
many shops will look and see all the hacks and not even touch it
for good reasons (many, ask)

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* Floor shift automatic, the push pin lever (located inside your shifter/gear stick) may be malfunctioning. You have to pop the grip off and inspect the white plastic pin inside the shaft to see if it is damaged, also check inside the grip while you press the safety release (shift lock button) to ensure the internal slide mechanics are propperly working). Also check for anything obstructing the levers movement inside the floor housing.

** Column Shift. Make sure your pull pin lock is working properly (disengages the shift lock when you pull back the gear shift before you select a gear) if its broke theres two possible behaviors you'll experiance -1. You cant pull the gear shift back at all or -2. No effort or less than normal effot is required to pull back the gear shift. If all that checks out then you have to inspect the steering column linkage bar (you may have to remove some of the steering column housing to view it. Make sure the bar isn't bent or that its movement isnt obstructed.

***Automatic Transmission Linkage Check - Look under the kick panel located above the gas and brake pedals.........Once linkage is located under the dash (kick panel) disconnect it and try the gear shift. If the cable moves under the dash then reconnect it and move on to the next step.
Now block the wheels and climb under the car and disconnect the linkage from the transmission and have someone work the gear shift while you see if the cable is operating propperly, if the linkage moves (as it should) then try shifting the transmission back and fourth by hand while the linkage is disconnected., If the shift bracket feels stiff or is dirty clean it off with non corosive chemicals so you dont damage any seals. If the bracket operates smoother go ahead and reconnect the linkage and try shifting with the column again. Be sure to move the shift bracket back to the park position and make sure your shifter column is in park as well before you reconnect the linkage, if you dont you are sure to run into more issues.

Hope this helps you out! If all the mentioned area's above are in working order then your problem is with the car's transmission and you should take it to a speciallist.

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