transfer cas fluid - Jeep Commander Forums: Jeep Commander Forum
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post #1 of 13 (permalink) Old 02-12-2012, 08:26 PM Thread Starter
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transfer cas fluid

Two quick things
1. I think I have the qd2 4wd. Badge below shifter. I changed my tc fluid and used ATF4. THat is what my manual called for bug I have seen posts saying to use a special mopar fluid. The fluid that came out was amber in Color.... I am scared I used the wrong fluid....

2. There is a severe clunky going from drive to reverse and vice versa. I can recreate it by keeping my foot on the brake and shifting between the two. The transmission seems to shift fine but there is a slight whine while driving that goes away when coasting downhill......any thoughts or opinions. I know I probably need to get it to a transmission shop but I have a baby on the way and thought I was buying the vehicle from a reputable dealer.
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post #2 of 13 (permalink) Old 02-12-2012, 08:32 PM
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1. QDII & QTII requires the Mopar fluid that's dealer only. QT1 is the system that uses ATF for the t-case.

2. Check your AT fluid level with the dipstick in the engine compartment. Make sure that its at the right level. If not, SLOWLY add some until it comes up to the right level.

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post #3 of 13 (permalink) Old 02-12-2012, 09:11 PM Thread Starter
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I'm sorry I forgot to say that I did check the attn fluid a week ago when I bought it. Maybe I made a mistake I will doublecheck in the morning. Seemed fine then and still red didn't smell burnt. Might as well drop the pan and change it better safe then sorry. When I did the rear diff there was a noticeable buildup of fine metal on the magnet in the bottom. I dont think the cover had been off. Btw is the plug seriously just a piece of plastic popped in? Just curious why my owners manual would say atf+4 on the transfer case(I could also swear that it is the same transfer case that is in my Rammed truck)....
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post #4 of 13 (permalink) Old 02-13-2012, 10:30 AM
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Yes, the plug is just plastic/rubbery, almost designed to be destroyed and replaced when you do the fluid. You have to be careful with the manual so that you're matching everything up with the proper drive system.

What year and engine do you have?

2006 XK Sport, 4.7l, QTII- many mods
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post #5 of 13 (permalink) Old 02-13-2012, 10:45 AM
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The clunking from reverse to drive is more than likely the front differential bushings. There are 3 and it only took one of mine to be bad to cause that clunking when shifting. Basically the applied torque from the transfer case causes the diff to shift positions and gets limited by the bushing, since the bushing is bad it bangs instead of being absorbed.
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post #6 of 13 (permalink) Old 02-13-2012, 02:46 PM
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Quote:
Originally Posted by golfhov View Post
Two quick things
1. I think I have the qd2 4wd. Badge below shifter. I changed my tc fluid and used ATF4. THat is what my manual called for bug I have seen posts saying to use a special mopar fluid. The fluid that came out was amber in Color.... I am scared I used the wrong fluid....

YOU SHOULD BE SCARED! The QDII takes the special Mopar TC fluid not ATF4+.

DO NOT drive it anymore until you get it filled properly!


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Activated: DRLs + Tilting Mirrors
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post #7 of 13 (permalink) Old 02-13-2012, 08:01 PM Thread Starter
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It is an 06 limited 5.7L 4x4. Has the badge below the shifter. I left the jeep at home because I was worried about the transfer case issue. We are in Charleston Sc right now to give birth. The owners manual only listed atf4 as the transfer case fluid. It did not list different trims or options. I will check the bushings and the serial number on the transfer case when I get home.
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post #8 of 13 (permalink) Old 02-14-2012, 08:51 AM
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Join Date: Mar 2008
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Here's the page out of the 2006 owner manual. You need to get that ATF out of your transfer case!!!!


BTW, congratulations on the baby!
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2007 Jeep Commander Overland - Steel Blue
5.7L Hemi + QDII
4" SuperLift
Rusty's adjustable rear UCAs
Caroline Driveline front drive shaft
285/70/17 Cooper Discoverer ST Maxx
Activated: DRLs + Tilting Mirrors
Autolite Iridiums
Cobra LX 29 LE CB with Firestik antenna
Rear fog lights
Mopar Grille Guard with Rugged Ridge HID driving lights
Sylvania Silverstars Ultra hi/low


"4 wheel drive does not mean 4 wheel stop!" -Lee Goldberg, WABC TV weatherman
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post #9 of 13 (permalink) Old 02-14-2012, 04:02 PM
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Quote:
Originally Posted by lekmedm View Post
Here's the page out of the 2006 owner manual. You need to get that ATF out of your transfer case!!!!


BTW, congratulations on the baby!

2006 Steel Blue 5.7L HEMI Limited 4x4 Build Date: June 9, 2006 Hour 14
Interior: Dark Slate/Light Graystone with Saddle Brown Leather Seats
Quadra-Drive II, NAV, DVD, Trailer Tow Group IV, Off-Road Group II, Remote Start, UConnect, Rear Backup Camera, Chrome Wheels,
Magnaflow cat-back exhaust, Daytime Running Lights enabled, 2" Rough Country Lift with 265/70R17 Goodyear Wrangler AT/S
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post #10 of 13 (permalink) Old 03-03-2012, 11:17 AM Thread Starter
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Ok.......am I going crazy here.....my manual for a 2006 LTD says atf+4. It is quadradrive II.....

I am so confused!? I swear my manual only lists aft+4 for the transfer case..... Everyone is telling me that it is supposed to be the molar fluid. I called a dealership and they told me attn+4(to be honest I don't think they guy I was talking to actually looked it up)

Ps thanks for all of your help
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