We are in the midst of buying an '06 with QT-II and standard diff's (No Vari-lock), so I'll be changing fluid in both diffs and Transfer case, tranny, coolant oil. What are the recommendations for each?
I'll be doing all synthetic and my current WJ has Quadra Drive so I had to use FM with the 75w-140, which I no longer need. Transfer Case is NV247 so the "Special" Mopar fluid is used, correct? Oil 5w-30, yes? Transmission is 545RFE so ATF +4?
I'm a big Amsoil fan. Its in my engine, diffs and tcase.
You can look up the specs for your particular vehicle at Amsoil.com to see what the proper fluids are. In some cases, they'll actually tell you when there's not an Amsoil product that meets/exceeds OEM requirements. (One example is the CVT used in the Ford Freestyle.... found that out doing some work on my neighbors vehicles )
I used Mobil 1 no issues with it. The Transfer case fluid I can't remember what the brand was, it was bought from my local repair shop it was that or the dealer. Your TC should also be a NV245 the same as the QD2 TC.
Correct on the ATF+4.
2007 Commander 4.7L, QTII, OEM Towing Option, tow hooks, 2"OME + 1/4" rusty's leveling spacer, Bilstein 5150 Rear Shks, Rear sway bar removed, 4xguard front skid, Offroad Unlimited Defender Roof Rack, Hella 500FF lights, 265/70/R17 BFG KM2 M/Ts 1.5" Rough Country Wheel Spacers
http://www.theultimatejeep.com/showt...acerc-s-Garage
OK what coolant should I be changing to? The stuff in it is pink/red, I assume that is not good.
Coolant is dealer only HOAT. There's an aftermarket version supposedly available but I couldn't find it at any parts store within a 20 mile radius...
Coolant capacity is 14 Qts (3.5 Gal.).
How much fluid is in the diffs & transfer case?
Which diff fluid to use in a XK with Quardra Trac? No reason for FM, correct?
Last edited by hinchcliffe; 07-07-2011 at 10:09 AM.
Search is my friend::::
4qts 75w-140 no FM should take care of the front and rear
2 qts NV245/247 Fluid from the dealer.
What mileage for a waterpump change?
Last edited by hinchcliffe; 07-07-2011 at 10:09 AM.
You are correct on the differential fluid and not needing the FM in a QT II XK. You have a NV245 which I've found takes a little less then 2 quarts to fill. As for the mileage on the waterpump, I was actually thinking about changing mine soon. I have about 85,000 miles on my XK and was purchased brand new. I've found them for a decient price at the local auto parts store for a lot less then what the dealer wants and it even has a lifetime warranty. Its a new water pump, not a reman. Id recommend replacing the thermostat while your at it.
2007 4.7 Liter XK | Front Modified OME HD Lift | Rear 4" Superlift | JBA UCA's | Rusty's Rear Adjustable Track Bar | Rysty’s Adjustable Upper and Lower Rear Control Arms w/Heim Joints | Mickey Thompson Classic III 17x9 Wheels | 315/70R17 Goodyear Duratracs | Airflow Snorkel | Flowmaster 40 Series Muffler | Superchips Flashpaq | Mopar Skids | 4xGuard Belly Guard | American Rebel Rear Diff Cover | Rear Powertrax No-Slip | Front Electronic Locker | Rear Heat/AC Delete
water pumps have a weep hole. They're designed to start leaking loooong before having a catastrophic failure. Wait for it to start leaking, then replace it.
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