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  #37  
Old 01-10-2010, 02:59 PM
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Re: tranny oil

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Originally Posted by boniomario View Post
oh ok makes sense now ... so then reapply some RTV to it before sealing it again ...

What about the dipstick ??? Can I get that from anywhere or only stealership ?
You should be able to find it online for cheaper than at the dealer.

Have you seen how much the dealer would charge to change the fluid? The transmission for the 3.7 is basically a Mercedes transmission (722.6) - and to do it right you should have a starscan hooked up to add the right amount of fluid according to the trans temp.

When I had my Mercedes C280 with the 722.4 transmission, I used an IR temp gun to change mine.
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  #38  
Old 01-10-2010, 03:11 PM
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Re: tranny oil

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Originally Posted by LTrainGC View Post
You should be able to find it online for cheaper than at the dealer.

Have you seen how much the dealer would charge to change the fluid? The transmission for the 3.7 is basically a Mercedes transmission (722.6) - and to do it right you should have a starscan hooked up to add the right amount of fluid according to the trans temp.

When I had my Mercedes C280 with the 722.4 transmission, I used an IR temp gun to change mine.
Thanks for the info bro that helps a lot ...

do I still need to hook it up to a starscan if I have the dipstick ?
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  #39  
Old 01-10-2010, 03:15 PM
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Re: tranny oil

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Originally Posted by boniomario View Post
Thanks for the info bro that helps a lot ...

do I still need to hook it up to a starscan if I have the dipstick ?
You don't necessarily HAVE to hook it up to starscan. Like I said with my old Benz I used an IR temp gun - however you do need to know how much fluid is required at certain temperatures.
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  #40  
Old 01-10-2010, 03:55 PM
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Re: tranny oil

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Originally Posted by LTrainGC View Post
It can be a bit of a mess too since the trans pan doesn't have a drain plug. Really stupid. What I did was loosen up a corner of the pan and let fluid drain out of one corner, then once it was done as much as it could there I dropped the whole pan - but there was still quite a bit of fluid in there.

Be sure you clean out your pan and the bottom of the trans, and also make sure you get all of the old RTV off of the pan and trans before reinstalling the pan.
Excellent, thanks Frank!
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Old 01-11-2010, 05:49 PM
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Re: tranny oil

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Originally Posted by Joe in PA View Post
Take it back and insist the idiot get it right. Too much ATF is just as bad as too little. Taken straight from the 05' WK shop manual:
My 545RFE took 9 qts, maybe because of the tranny cooler? Anyway the shop manual says 7 but that isn't always correct. Use the dipstick.
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  #42  
Old 01-11-2010, 05:54 PM
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Re: tranny oil

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Originally Posted by scottydog View Post
My 545RFE took 9 qts, maybe because of the tranny cooler? Anyway the shop manual says 7 but that isn't always correct. Use the dipstick.
Agreed. I filled with 7 and it wasn't even touching the bottom of the dipstick. Added 1/4 quart at a time, and I think I eventually ended up putting like 8.5 in there.
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  #43  
Old 01-11-2010, 06:03 PM
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Re: tranny oil

Hmm, for some reason I bought 5 quarts... maybe I read that in the SM. I guess I'll pick up some more this week, thanks guys.
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  #44  
Old 01-11-2010, 06:06 PM
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Re: tranny oil

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Originally Posted by Matt View Post
Hmm, for some reason I bought 5 quarts... maybe I read that in the SM. I guess I'll pick up some more this week, thanks guys.
I would buy another 4, just to be safe. If you have extra, you can always return it.

What kind are you using?
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  #45  
Old 01-11-2010, 06:10 PM
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Re: tranny oil

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Originally Posted by LTrainGC View Post
I would buy another 4, just to be safe. If you have extra, you can always return it.

What kind are you using?
The only kind they had, Castrol fully synthetic ATF+4.
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  #46  
Old 05-29-2010, 06:36 PM
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Re: tranny oil

O.k. guys some of this info might have already been discussed but i'll tell you what i know. You your self cannot completely change the fluid. i think someone already said it, there is no drainplug on our pan, and even if there was you would just be draining the pan. Shops hook it up to something called a T-tech machine to completely change the fluid. Of course the dealer can do this, also places like some quick lube centers do the t-tech. I manage a penzoil lube center and we do it. You have to pull a tranny line loose from the radiator hook one line to the line you unhooked another line to where the line you unhooked went. Start your car, the old fluid goes to the machine, the fluid out of the machine goes to your car.
And changing the filters isn't that bad. Like the guys said, don't dent that pan, clean it up a little, and get ALL the old gasket material off of it. And make sure you seat that seal that comes with the filter onto the vehicle then put on the filter. Don't put it on the filter then try to put them on together.
Also you guys were saying it was taking so much to refill yours after a filter change. If the fluid is cold it won't even show up on the stick, then if you run it till its good and hot it will be full. If its just to room temp. It will be at the top of the cold level.
sorry for the novel guys. just trying to help a little.
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  #47  
Old 05-29-2010, 09:34 PM
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Re: tranny oil

tranny - mopar fluid
t-case - mopar fluid
diff's - mobil 1 90w 140
motor oil - mobil 1 extended performance and mopar filter
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  #48  
Old 05-29-2010, 09:47 PM
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Re: tranny oil

Agreed... Stick with the Mopar fluids for tranny / Xfer case.

Royal Purple XPR 10w40 with a Napa gold filter.
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