Join Date: Dec 2007
Location: Saudi Arabia - Riyadh
Own a Commander?: Yes
Model year: 2007
Trim Package: Limited
Power-Train: 5.7L V-8 Hemi
If 4WD - system: QD-II
Current Mileage: 150000
You mean how to change the diff oil (not the diff itself)
I just changed the fluid in both diffs yesterday in a workshop, but it seem to be easy though.
For the front you need to remove the skid plate below the engine and remove the fill plug and then the drain plug, let all oil out of the diff and refill to the bottom of the fill hole,, it is little tricky to fill the oil due to the location of the fill plug. you may need fill hose.
For the rear one there is no drain plug so you have to remove the hole diff cover and let all oil out, clean the contact surface and apply RTV sealant to the contact area, put the cover back and fill the oil to 1 cm (1/2") below the fill hole.
Total oil capacity for both diffs 3 bottles
If you have QD-II, then you need to add the oil friction additive.
Second Jeep Commander, Current
2007 XH (International model), Green Metallic, Ltd, 5.7L HEMI, Quadra-Drive II
Spidertax 1.5" wheel spacer, K&N replacement filter
OME 2" Lift kit
First Jeep Commander,
2007 XH (International model), Light Graystone Pearl, Sport , 4.7L Quadra-Trac II.
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Last edited by Ahmed; 05-24-2009 at 08:11 AM.