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95 JEEP GRAND CHEROKEE REVVING
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kyle24
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May 11, 2015, 8:32 PM
Post #1 of 17
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95 JEEP GRAND CHEROKEE REVVING
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So my car is doing fine except when i get to around 50 mph the rpms fly up but it doesn't accelerate. Any ideas?
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kyle24
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May 11, 2015, 8:34 PM
Post #2 of 17
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Re: 95 JEEP GRAND CHEROKEE REVVING
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The car is in drive when this happens obviously but acts as if it is in neutral
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Hammer Time
Ultimate Carjunky
/ Moderator
May 12, 2015, 2:04 AM
Post #3 of 17
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Re: 95 JEEP GRAND CHEROKEE REVVING
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That sounds like a transmission issue of some kind. I'm moving this to the trans section so our trans expert will see it.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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gsferraro
Veteran
May 12, 2015, 4:51 AM
Post #4 of 17
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Re: 95 JEEP GRAND CHEROKEE REVVING
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Sounds like something happened to overdrive or 4th gear, when this happens either pull iy down into 3rd if you can or cancell the overdrive to see if it pulls in 3rd. Tip, when you check the trans fluid on these it must be in neutral car running. What is the year, make and model? if the car is in the u.s you can even post your vin number so i can i.d the trans. Gary
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kyle24
User
May 12, 2015, 4:32 PM
Post #5 of 17
(2765 views)
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Re: 95 JEEP GRAND CHEROKEE REVVING
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what do you mean by pull into 3rd gear? thanks for your help by the way. It is a 1995 grand Cherokee Laredo 4.0 6 cyl
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gsferraro
Veteran
May 12, 2015, 6:10 PM
Post #6 of 17
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Re: 95 JEEP GRAND CHEROKEE REVVING
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Hello,
Let me ask you this, does the car seem like its shifting when you start off from a stop, do you feel the 1-2 shift or the 2-3 shift or does it seem like its not shifting maybe just staying in one gear and revving out at 50 mph. Gary
The transmission in your jeep is called the AW4 or A340E, the tps (throttle position sensor) goes bad alot on these jeeps and would keep it from shifting. Gary
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kyle24
User
May 13, 2015, 12:02 PM
Post #7 of 17
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Re: 95 JEEP GRAND CHEROKEE REVVING
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Yes! I feel the shift from the start. its a big difference as the car kind if jumps to the next gear.
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kyle24
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May 13, 2015, 12:08 PM
Post #8 of 17
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Re: 95 JEEP GRAND CHEROKEE REVVING
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also i checked the trans fluid and it seemed good, it was at the right level and it was a reddish color
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gsferraro
Veteran
May 13, 2015, 5:46 PM
Post #9 of 17
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Re: 95 JEEP GRAND CHEROKEE REVVING
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Would you say that it shifts late?
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kyle24
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May 13, 2015, 7:16 PM
Post #10 of 17
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Re: 95 JEEP GRAND CHEROKEE REVVING
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no i think its on time
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gsferraro
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May 14, 2015, 3:05 AM
Post #11 of 17
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Re: 95 JEEP GRAND CHEROKEE REVVING
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Ok, so basically when it goes to make a 3-4 shift, it goes into neutral? Gary
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kyle24
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May 14, 2015, 3:38 AM
Post #12 of 17
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Re: 95 JEEP GRAND CHEROKEE REVVING
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yes i think so
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gsferraro
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May 14, 2015, 2:17 PM
Post #13 of 17
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Re: 95 JEEP GRAND CHEROKEE REVVING
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Hello.
Did you ever run this trans low on fluid? Do you have an overdrive cancell button on the shifter, if you do when it revs out hit the overdrive cancell button which will knock it back to 3rd and see if it holds. This is to me an uncommon problem, historically theses transmissions are very good. Gary
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kyle24
User
May 14, 2015, 6:02 PM
Post #14 of 17
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Re: 95 JEEP GRAND CHEROKEE REVVING
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i just purchased it 6 months ago so im not sure about the trans fluid. I dont think i have a cancel overdrive button.
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kyle24
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May 14, 2015, 6:07 PM
Post #15 of 17
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Re: 95 JEEP GRAND CHEROKEE REVVING
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nvm i do have an o/d button. I will test it out in the morning thanks alot!
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kyle24
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May 16, 2015, 5:06 PM
Post #16 of 17
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Re: 95 JEEP GRAND CHEROKEE REVVING
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unfortunately the button did not work, is the transmission gone? is there anything else to do but replace it?
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gsferraro
Veteran
May 17, 2015, 6:40 AM
Post #17 of 17
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Re: 95 JEEP GRAND CHEROKEE REVVING
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One thing that you should check under the hood, there should be a cable going from the throttle body to the trans, make sure the cable is still hooked up. Gary
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