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Old 08-26-2011, 02:00 PM
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Adding Transmission Fluid

My jeep has been shifting a little rough lately. I checked the tranny fluid today and its reading right at the cold level after driving for 30 minutes on the interstate. I'm going to the dealer to get Mopar ATF-4 fluid. Will 1 quart be enough. It's like $14/qt and my dealer charges a restocking fee so i don't want to return any. Thanks for helping me with this dumb question.
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Old 08-26-2011, 02:13 PM
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Re: Adding Transmission Fluid

Well, If your worried about having extra, one qt more will be better than not adding any so you can get 1 qt, if your still not full enough your still better off than you were

Fill suggestion: add 1/4 a qt at a time, yes the transmission pan is large but when you start getting to the proper full level of the fluid the valve body is taking up space so thus the reason there is such a wide range on the dipstick. I like to add some, shift drive-neutral-reverse-neutral, pull the dipstick out, wipe it off and stick it back in and pull it back out, keep in mind that you now have fluid draining down the dipstick tube so it will be tough to see an accurate level. Ultimately when I get close I like to take it around the block, give it time to heat up and help coax the atf down the dipstick tube with the heat helping it run better, then recheck.
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Old 08-26-2011, 06:01 PM
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Re: Adding Transmission Fluid

It's more accurate to check the fluid @ normal operating temps. One quart should bring you close to the lower hole on the hot measurement. How many miles do you have on it? Are you due for a filter/fluid swap anyways. I just changed the fluid & filters on mine at 84K & had to go through the rigamarole of getting the new fluid to the proper level.
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Old 08-26-2011, 08:08 PM
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Quote:
Originally Posted by 06HemiLtd View Post
My jeep has been shifting a little rough lately. I checked the tranny fluid today and its reading right at the cold level after driving for 30 minutes on the interstate. I'm going to the dealer to get Mopar ATF-4 fluid. Will 1 quart be enough. It's like $14/qt and my dealer charges a restocking fee so i don't want to return any. Thanks for helping me with this dumb question.
I just bought tranny fluid at o'reillys, bought the valvoline ATF+4 full synthetic. It was little cheaper than mopar brand. If it hasnt been serviced lately, u might as well just drain it and refill it with all new fluids.
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Old 08-26-2011, 08:56 PM
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Re: Adding Transmission Fluid

About how many quarts are you guys using when you drop the pan and change the filters?
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Old 08-26-2011, 09:29 PM
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Re: Adding Transmission Fluid

i'm at 51k right now. i've had the jeep since brand new (almost 6 years now). i had everything done(diffs, t-case, tranny) at 30k miles and was planning on it again at 60k. i read that it takes around 8 quarts if you do a pan drop.
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Old 08-27-2011, 06:01 AM
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Re: Adding Transmission Fluid

thanks.
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Old 08-27-2011, 06:13 AM
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Re: Adding Transmission Fluid

What filter kits are you guys buying for the transmission? Does everyone use the dealer kit or are the kits from say napa or carquest just as good for this vehicle?
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Old 08-27-2011, 09:57 AM
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Re: Adding Transmission Fluid

I had purchased the two filters + rubber gasket from Napa, but saw somewhere that there was a valve update on one of them. Not wanting to risk buying a filter without that change, I returned the stuff to Napa and bought Mopar filters + transmission RTV, for double the $$$$ of course. Mine took almost 8 qts. Very messy dropping that pan & having fluid constantly dripping from the open tranny. Frustrating phenageling that pan up and over both the crossmember & that cat with wet RTV trying no to smudge it anywhere else than intended. If I wasn't such a DIY nut, it would be worth paying to get it done. Dealer quoted me $220. I did it for $125, if you count surplus materials + beer. I also installed a drain plug kit into the pan for the next pan drop, which ironically came two weeks later when I tried tightening the slightly leaking plug making the leak a lot worse. Luckily the Mopar RTV tube was enough to do two pans. Added some Teflon tape to the threads on the drain plug kit plus a dab of RTV to make sure that sucker sealed this time.
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Old 08-27-2011, 03:38 PM
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Re: Adding Transmission Fluid

i ended up putting 1 qt in mine today and it brought it up to the hot marks. i read somewhere that a transmission nevers "uses" fluid so if it's low it means there's a leak somewhere. i've been towing a lot with my wk the past few months and a few of the loads were close to 5000lbs. those ones, i was on the interstate going 65-70mph. don't know if that had anything to do with it or not. my limited has the hemi and the transmission cooler.
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Old 08-27-2011, 10:20 PM
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Quote:
Originally Posted by 06HemiLtd View Post
i ended up putting 1 qt in mine today and it brought it up to the hot marks. i read somewhere that a transmission nevers "uses" fluid so if it's low it means there's a leak somewhere. i've been towing a lot with my wk the past few months and a few of the loads were close to 5000lbs. those ones, i was on the interstate going 65-70mph. don't know if that had anything to do with it or not. my limited has the hemi and the transmission cooler.
Yea u shouldn't lose fluid unless there's a leak. No spots in the driveway? May be time to drop the pan n replace gasket.
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Old 08-27-2011, 11:44 PM
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Re: Adding Transmission Fluid

Absolutely no leaks at all. I park in a garage with a concrete floor. I'd see fluid on the floor. I honestly don't remember the last time I checked the fluid. It may have been a qt low since it was last serviced.
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