93 jeep grand cherokee overdrive working backwards

265

Asked by Apr 17, 2012 at 07:14 AM about the Jeep Grand Cherokee

Question type: Maintenance & Repair

i have a 93 jeep grand cherokee with a 4.0 straight 6. automatic. when i press the overdrive and the light comes on
my rpms will drop 250 rpms  at 60+mph. when i press the od off switch and the light goes off then it raises the
rpms. either way its still not dropping enough rpms. was told at 65 i should be running 2000 rpms. any advise?

13 Answers

13,235

From what your saying appears that your OD is working properly. A 250 RPM drop is about right.

1 of 1 people found this helpful.
265

how many rpms am i supose to be running at 65 mph?

2 of 2 people found this helpful.
13,235

2000 at 65mph

1 of 1 people found this helpful.
265

ok my jeep runs lil over 3000 at 65

1 of 1 people found this helpful.
13,235

That's pretty high are you shifting into all the gears?

265

sounds like i am

13,235

Check your tranny fluid for color and level. You can also do this check on tranny. Pull your tranny dipstick and with a very clean white cloth wipe the dipstick down. If you notice a lot if black colored residue you have excessive internal wear. If that is the case you'll need to look closer there. How many miles on your jeep?

265

theres around 30,000 on this tranny

13,235

Perform the check for debris on the transmission dipstick. With that amount of miles you should not have any significant wear. You should be able to use some additive to the transmission to purge out any debris. Sea-Foam makes an awesome product that works well for these types of issues.

265

thank you i will def try it

65

In my 94 Jeep grand cherokee, when the light is off it means the od is on, when the light is on it means the od is off

1 of 1 people found this helpful.
20

I have a question. My 93 jeep grand cherokee Laredo does not have a overdrive button to push off what do I do?

1 of 1 people found this helpful.
20

Can somebody actually tell me how to tow a vehicle, another vehicle with my Jeep it doesn't have overdrive shut off. What do I do

1 of 1 people found this helpful.

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