No 2nd gear
#31
CF Veteran
Join Date: Oct 2018
Location: United Kingdom
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Year: 1995 RHD
Model: Cherokee (XJ)
Engine: 4.0l
Got you. When the selector is in 1-2 that's the only time it revs that high to get 2nd gear. When in 3rd or D it should select it at a much lower and normal speed and RPM range.
When driving normally with the shifter in D, do you get 1st gear then 4th (OD) missing 2nd and 3rd? If so, it sounds like Solenoid #2 had died which is exactly what I had. I don't think I had to go to 3k revs though, it may have got to 2-2.5k then it'd try to change gear and end up in 4th.
If you try to set off in D and it barely moves, Solenoid #1 will be problematic. A solenoid not working could either be it's simply failed or an electrical fault.
You can test the shift solenoids from the connector in the engine bay but I only have pictures of the process for the older model. It's also late for me but I can look up the pins tomorrow and post back if you'd like.
When driving normally with the shifter in D, do you get 1st gear then 4th (OD) missing 2nd and 3rd? If so, it sounds like Solenoid #2 had died which is exactly what I had. I don't think I had to go to 3k revs though, it may have got to 2-2.5k then it'd try to change gear and end up in 4th.
If you try to set off in D and it barely moves, Solenoid #1 will be problematic. A solenoid not working could either be it's simply failed or an electrical fault.
You can test the shift solenoids from the connector in the engine bay but I only have pictures of the process for the older model. It's also late for me but I can look up the pins tomorrow and post back if you'd like.
#32
Newbie
Got you. When the selector is in 1-2 that's the only time it revs that high to get 2nd gear. When in 3rd or D it should select it at a much lower and normal speed and RPM range.
When driving normally with the shifter in D, do you get 1st gear then 4th (OD) missing 2nd and 3rd? If so, it sounds like Solenoid #2 had died which is exactly what I had. I don't think I had to go to 3k revs though, it may have got to 2-2.5k then it'd try to change gear and end up in 4th.
If you try to set off in D and it barely moves, Solenoid #1 will be problematic. A solenoid not working could either be it's simply failed or an electrical fault.
You can test the shift solenoids from the connector in the engine bay but I only have pictures of the process for the older model. It's also late for me but I can look up the pins tomorrow and post back if you'd like.
When driving normally with the shifter in D, do you get 1st gear then 4th (OD) missing 2nd and 3rd? If so, it sounds like Solenoid #2 had died which is exactly what I had. I don't think I had to go to 3k revs though, it may have got to 2-2.5k then it'd try to change gear and end up in 4th.
If you try to set off in D and it barely moves, Solenoid #1 will be problematic. A solenoid not working could either be it's simply failed or an electrical fault.
You can test the shift solenoids from the connector in the engine bay but I only have pictures of the process for the older model. It's also late for me but I can look up the pins tomorrow and post back if you'd like.
I'm not sure if I would know what to do with the pin information, but I appreciate you offering.
#33
CF Veteran
The high rpm 1-2 shift point is by design. Mine use to shift out of first at a bit above 2K rpms. It was a real pain going off our hill which is a 150+ yard 9% grade. Years back someone from England posted saying in order to keep it in first you needed to barely move the vehicle in drive then shift back to 1-2. It was hit and miss and as I found out later it was not how it was suppose to work. I didn't get the quick shift issue resolved until I needed to service my NSS due to no back up lights and not wanting to start in park at times. Ever since I serviced the NSS and when in 1-2 it doesn't upshift in to 2nd until 4K or a bit above.
I have seen threads around here about a wiring mod with a switch that can be done to keep the trans in 2nd. Goggle is your friend. I may have something saved on you tube about it. If so I'll post it.
I have seen threads around here about a wiring mod with a switch that can be done to keep the trans in 2nd. Goggle is your friend. I may have something saved on you tube about it. If so I'll post it.
#34
Newbie
The high rpm 1-2 shift point is by design. Mine use to shift out of first at a bit above 2K rpms. It was a real pain going off our hill which is a 150+ yard 9% grade. Years back someone from England posted saying in order to keep it in first you needed to barely move the vehicle in drive then shift back to 1-2. It was hit and miss and as I found out later it was not how it was suppose to work. I didn't get the quick shift issue resolved until I needed to service my NSS due to no back up lights and not wanting to start in park at times. Ever since I serviced the NSS and when in 1-2 it doesn't upshift in to 2nd until 4K or a bit above.
I have seen threads around here about a wiring mod with a switch that can be done to keep the trans in 2nd. Goggle is your friend. I may have something saved on you tube about it. If so I'll post it.
I have seen threads around here about a wiring mod with a switch that can be done to keep the trans in 2nd. Goggle is your friend. I may have something saved on you tube about it. If so I'll post it.
#35
CF Veteran
By the way, I've never met Goggle. Can you introduce us?
Seriously? lol
Anyways the youtube link you have is the one I have saved. Here is a detailed write up on the mod:
https://articles.jeepforum.com/XJ_AW4_TCU_Shift_Mod
Seriously? lol
Anyways the youtube link you have is the one I have saved. Here is a detailed write up on the mod:
https://articles.jeepforum.com/XJ_AW4_TCU_Shift_Mod
#36
Newbie
By the way, I've never met Goggle. Can you introduce us?
Seriously? lol
Anyways the youtube link you have is the one I have saved. Here is a detailed write up on the mod:
https://articles.jeepforum.com/XJ_AW4_TCU_Shift_Mod
Seriously? lol
Anyways the youtube link you have is the one I have saved. Here is a detailed write up on the mod:
https://articles.jeepforum.com/XJ_AW4_TCU_Shift_Mod
#37
CF Veteran
Your welcome.
No I haven't done the mod and doubt I will. Been very few instances over the years where I would have used it. I've seen videos where it would be a definite benefit where 1st is to low causing the vehicle to slide on a decent if the ground was wet,loose,frozen,etc.
The 4L60-E trans in our '96 Blazer 4X4 has a separate 2 position that lets you start out in second and stays in second. Rarely use it.
No I haven't done the mod and doubt I will. Been very few instances over the years where I would have used it. I've seen videos where it would be a definite benefit where 1st is to low causing the vehicle to slide on a decent if the ground was wet,loose,frozen,etc.
The 4L60-E trans in our '96 Blazer 4X4 has a separate 2 position that lets you start out in second and stays in second. Rarely use it.
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gosser66 (05-25-2020)
#38
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Location: United Kingdom
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Year: 1995 RHD
Model: Cherokee (XJ)
Engine: 4.0l
I'll wait to hear back how your test run goes as it can be a bit of looking into wiring diagrams if you don't need it. Being a 98, I'm sure if something electrical wasn't working as expected, it should throw a fault code your way.
#39
Newbie
Okay when in D, it's hitting all gears, so I guess my solenoids are good. I guess at this point, the only other thing left to check is to determone at what rpm or speed it shifts to 2, while in 1/2.
#41
CF Veteran
Join Date: Mar 2016
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Year: 96
Model: Cherokee (XJ)
Engine: 4.0
this was throttle dependant...it would only shift up at ~2500rpm if I held the throttle to near feather
I adjusted the throttle/kickdown in the engine bay and completely swapped out the old trans fluid
It now will change up from 1st to 2nd in a much more normal way
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