Shifting hard into 2nd, and shifts out quickly (96 4.0L 42RE) - JeepForum.com
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Unread 07-29-2013, 08:56 PM   #1
RoldGold
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1996 ZJ 
 
Join Date: Jun 2013
Location: Philadelphia, PA
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Shifting hard into 2nd, and shifts out quickly (96 4.0L 42RE)

So my 1996 Grand Cherokee with the 4.0L 42RE has been shifting hard into second gear since I've owned it, but only right when I turn on the Jeep after it's been sitting for awhile. After warming up (presumably), it shifts smoothly and pleasantly. When I say shifting hard, it moves out of first, hovers in between for just a little bit too long, and then drops into second abruptly. Any ideas?

I've put in new fluid and filter about 2 months ago (1000 miles). I reset the rear band, but haven't got around to the front band because of a surgery, not to mention I'm not sure how I can get my torque wrench up in there without dropping the crossmember, which I'm not eager to do after the hellish experience I had when replacing the viscous coupler. I stripped 2 nutserts, and then magically the frame changed shape and I could only get 3 bolts in, since then I've got the fourth in, but like I said I'm not eager to relive that experience.

I've also been reluctant to adjust the kickdown because I am happy with the shifting in all other gears.

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1996 Grand Cherokee Limited 4.0L
PSC Steering Gear; NP249 w/ new VC; Moog TRE's, Track Bar, Stabilizer bar bushings and endlinks, control arm bushings
Still no lift, and almost no paint on the hood
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Unread 07-29-2013, 09:20 PM   #2
zjosh93
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1993 ZJ 
 
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My 93 did that for a bit. I adjusted the kickdown and it was better. I checked my fluid and it was half a quart low. Added that half quart and it shifts perfectly.
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Unread 08-18-2013, 08:54 PM   #3
RoldGold
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Any chance you know of a link for the kickdown adjustment? I can't find one and I'm not eager to go screwing around with it.

Also, does anyone have any tips on how to access the front band adjustment screw/nut? I've got the 42RE trans, and I can't fit my tools up in there to get it done.

EDIT: I did adjust the rear band when I did the trans fluid a thousand miles ago.
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1996 Grand Cherokee Limited 4.0L
PSC Steering Gear; NP249 w/ new VC; Moog TRE's, Track Bar, Stabilizer bar bushings and endlinks, control arm bushings
Still no lift, and almost no paint on the hood
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Unread 08-23-2013, 10:14 PM   #4
RoldGold
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Ok, I've found the videos of the TV cable adjustment. I'll do that soon.

I checked my fluid in neutral, with trans warmed up, after cycling through the gears, looks great, right in the center of the crosshatched region.

I'm going to drop the trans soon so I can take care of the front band and see if that helps.
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1996 Grand Cherokee Limited 4.0L
PSC Steering Gear; NP249 w/ new VC; Moog TRE's, Track Bar, Stabilizer bar bushings and endlinks, control arm bushings
Still no lift, and almost no paint on the hood
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Unread 08-24-2013, 08:51 AM   #5
ZeeJay1997
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the front band adjustment is easier with a smaller torque wrench and the right length extensions. Seems like i had to do a lot of reaching in along the length of the transmission to get around everything and also took some linkages loose. nothing to be trying if you're gimped up.
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Unread 08-25-2013, 08:33 AM   #6
RoldGold
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Yeah I'll see what I can do with the band adjustment. I'd really like to do it then adjust my TV cable, and I've been unwilling to do both so maybe that'll happen today.
__________________
1996 Grand Cherokee Limited 4.0L
PSC Steering Gear; NP249 w/ new VC; Moog TRE's, Track Bar, Stabilizer bar bushings and endlinks, control arm bushings
Still no lift, and almost no paint on the hood
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Unread 05-06-2014, 04:52 PM   #7
black00ta
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This describes the exact problem I am having, 94 zj 42re 4.0 249tc 125k miles. All other gears shift perfect otherwise, and I only can duplicate the condition on light throttle application(5%-10% throttle input). What ended up being the problem?
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Unread 05-07-2014, 06:55 PM   #8
RoldGold
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I wish I could tell you. I'm leaning toward governor sensor and solenoid problems because it has recently been hunting to find gears during an upshift. Especially under hard throttle. But, I'm no transmission expert, and I don't know for sure.
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1996 Grand Cherokee Limited 4.0L
PSC Steering Gear; NP249 w/ new VC; Moog TRE's, Track Bar, Stabilizer bar bushings and endlinks, control arm bushings
Still no lift, and almost no paint on the hood
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Unread 05-08-2014, 12:27 PM   #9
Callupchuck
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I too suspect the gear shifting cable is out of adjustment. I say this not only because of the similarity to the above posts, but also that I have to shift to neutral about 50% of the time, to get the starter to respond. Are there links to videos or visual instructions for making that adjustment?

94 Grand Cherokee Limited ZJ
V8
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Unread 05-19-2014, 07:17 PM   #10
black00ta
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UPDATE: had a local trans shop do a band tension check while i was at work today, fixed my problem entirely. i'm a happy camper =)

and best part of all, they did it at no charge =D
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94 ZJ 4.0 I6 - NP249 - 3.55s
96 ZJ 4.0 I6 - NP242 - 3.73s
06 GTO LS2/T56 - 466rwhp/436rwtq
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Unread 05-20-2014, 03:23 PM   #11
RoldGold
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Wow. Pretty sweet deal there!
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1996 Grand Cherokee Limited 4.0L
PSC Steering Gear; NP249 w/ new VC; Moog TRE's, Track Bar, Stabilizer bar bushings and endlinks, control arm bushings
Still no lift, and almost no paint on the hood
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Unread 05-27-2014, 08:00 PM   #12
Callupchuck
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Quote:
Originally Posted by black00ta View Post
UPDATE: had a local trans shop do a band tension check while i was at work today, fixed my problem entirely. i'm a happy camper =)

and best part of all, they did it at no charge =D
So you asked specifically for a "band tension check" and they knew exactly what you meant? Also, do you know of any vids or instructions on the cable adjustment? Or who to ask if you don't know?

Thanks
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Unread 05-27-2014, 10:16 PM   #13
Uniblurb
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Quote:
Originally Posted by Callupchuck View Post
So you asked specifically for a "band tension check" and they knew exactly what you meant? Also, do you know of any vids or instructions on the cable adjustment? Or who to ask if you don't know?

Thanks
Here's a video of the cable adjustment on a 97 4.0. May not be the same clip as your 94 5.2 but the technique should be the same. On my 96 4.0 I have to move the throttle plate linkage slightly to undo the slide clip on the end of the cable. But once connected there's no/little tension or slack in the cable.


PS. This guy is at Miami U. in Oxford, Ohio not to be confused with Miami, Florida. "Miami was a University before Florida was a State!". LOL, my daughter went there and has a T-shirt with that quote/saying.

No offense Floridians since my brother lived in Coconut Grove and love your state!
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-Stalling ZJ? 12 things to check before replacing a sensor; the Dirty Dozen
-Crankshaft position sensor multimeter test. & video of testing.
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Unread 05-29-2014, 11:34 AM   #14
Callupchuck
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Thanks Uniblurb for the link to the vid. That doesn't look bad at all. I'm going to adjust that this afternoon and hope it fixes things.
Is there also another cable that connects the gear shift inside the vehicle to the transmission? I was told to suspect that cable since I have to shift to neutral in order to engage the starter. This Jeep had been hit in the left rear panel and it tweaked the frame ever so lightly according to the last owner, which changed the length of the shifter cable enough to not go completely to park. Are there any thought or ideas on this type of issue?
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Unread 05-29-2014, 01:16 PM   #15
Uniblurb
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Yw Callupchuck and believe I'd be looking at trying to adjust the shifter cable linkage on the trans before the TV/kickdown cable. Does your shifter indicator line up on what gear it's in? With a tweaked/twisted frame the cable may now be short if it won't line up fully into park. And the NSS (neutral safety switch) internal linkage may be off if it won't start in park. Try to move your linkage adjustment so it moves further in park. But fair warning set the ebrake and block the wheels while not being under it when you try to start it. Also do you have backup lights when it's in reverse? Another function of the NSS if it's working correctly the backup lights should come on.
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96 4.0 ZJ Laredo, 2004 4.7L WJ Limited, 93 4.0 XJ (spare), 96 4.0 XJ (son's)

-Stalling ZJ? 12 things to check before replacing a sensor; the Dirty Dozen
-Crankshaft position sensor multimeter test. & video of testing.
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