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Old 01-25-2009, 09:48 AM
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Wrong manual transmission fluid listed in computer

Hey everyone. Yesterday i just had my jeep in the dealership where i bought my jeep for some warranty work. That was all done correctly, But i have raised a concern over the information their computer has on Jeep Wranglers. After my work was completed they printed out a paper which lists my vin number, and all the specifications and capacities. Everything was right untill it came to my manual transmission. I have the NV 3550 5 speed manual transmission. The fluid their computer says to fill it with is ATF+4. This is wrong information and should be filled with Mopar manual transmission fluid or equivilant. Or have they just figured out that ATF+4 is ok for our transmissions? This is not the only dealer ship that has this computer program. When i first bought my jeep i took it to a Fargo dealership ( which is about 85 miles away) because this is where we had boughten our New Jeep Patriot. I had all the fluids changed there for a great price since they know us from before. I didn't notice till i was home that they put ATF+4 in my transmission. I called them to confirm and they said thats what the computer calls for, and they are a jeep dealership, they also sell Mazda and Saturn. I then called the Jeep Dealership in town here, and they said that ATF+4 was wrong, and i needed to get the Mopar manual transmission fluid in it. So i went and bought the right stuff and changed it myself. I didn't want to waist the gas, and time to drive back 85 miles to complain to the dealership in fargo what has happened. My concern now is how many people take there jeep to a dealership to have there transmission serviced and get the wrong stuff put in it.
I am hoping that more people notice what they are putting in there jeep, and do not assume that just because they are a dealership they are doing things correctly. If i am wrong on this and ATF+4 is now ok for the NV 3550 please let me know.
Thanks for reading

2010 Silver JK Sport
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Old 01-25-2009, 10:34 AM   #2

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same thing happened to me in New Orleans, not only trasmission but overfilled my 4 banger with 6 quarts of oil. this lead to the intake sucking oil into the air filter and oil running out onto the exhaust manifold. brought this to their attention and they said that was the specs. SO like you I do it myself now.

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Old 01-25-2009, 06:48 PM   #3
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Good catch, ATF+4 is only suitable for the t-case and automatic transmission. Good aftermarket gear lubes suitable for the NV3550 include the synthetic Synchromax from Royal Purple, or the conventional non-synthetic Synchromesh from either Pennzoil or General Motors.
When you have a choice, buy American.
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Old 01-25-2009, 07:09 PM   #4
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70/90 weight is what i would use, 2 1/2 qt and a bottle of lucas oil!!
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Old 11-03-2012, 09:40 PM   #5
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First off if u have a manual transmission, dont use atf. Atf is - automatic transmission fluid!
Gl-5 75-90 syncromesh. Royal purp. Or pennsoil.
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Old 11-03-2012, 09:53 PM   #6
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Great!! I bought my 98 from the dealer in fargo. Now I'm going to have to run outside and investigate the situation. Oh btw. Thanks.
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Old 11-03-2012, 10:03 PM   #7
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I run Redline MTL and love it.

Night and day difference over oem.

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