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Regular Service / Maintenance This section contains discussion about regular service and maintenance (upkeep) of your Jeep Commander

Thread: 30k Mile Service Clarification Reply to Thread
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  Topic Review (Newest First)
01-22-2012 05:03 PM
Mongo
Quote:
Originally Posted by Trax95008 View Post
dang Robby, your borderline paranoid. but your right about it all being "peace of mind"
But, I'm betting Robby does all that work himself, which saves him quite a bit of money. If you take your vehicle to the Dealer for the same level of service, I'm sure they'll be happy to do it, but the cost will add-up over the years to a big chunk of what could be used to pay for your next vehicle. So, that's why I say its just NOT cost effective to going overboard on the maintenance if you're taking the vehicle to the dealer.

Axles, and Robby said as much, when the O.M.'s call for changing fluid frequently, like very 15k-18k miles, it stipulates if you've been using the vehicle for severe service, like taxi, police, off-roading or towing. Towing could cook that axle fluid and off-roading can get water in it, so it makes a lot of sense if you do a lot of these things you should change it often.

BUT, if you don't do these severe events, there is NO change schedule for that fluid, i.e. implying its a lifetime fluid, which I do NOT agree with, so changing it every 30k or 50k-60k mile, I think would be proper.
01-22-2012 01:19 PM
Trax95008 dang Robby, your borderline paranoid. but your right about it all being "peace of mind"
01-22-2012 08:44 AM
robby As far as what to change and when, quite simply, over maintaining has never hurt a thing.
For example, services based on time or mileage, such as coolant, where it is stated 'whatever occurs first' are truly time critical and should be considered a critical service.
Front and rear differental services, to some operators, are considered annual events regardless of miles.
Clearly, overmaintenence, but it makes the owner comfortable.

I don't (really shouldn't say don't.....I have, once) tow anything or operate in the frequent maintenance conditions spelled out in the book but, here is where I choose to moderatly overmaintain.
On past vehicles, and on my 07 when it gets there, I change gear lube at 50k.....more of a piece of mind thing.
Same applies to a trans fluid and filter change....50k, even though it isn't yet called for.

Regarding the transfer case, the manufacturer has made it quite clear that its fluid should be changed every 30k regardless of usage.
Knowing the internals of a transfer case and the mayhem going on in there, I consider this service almost biblical in scope.
If I had a 2010, even though it is not called for, this would still be a piece of mind 30k service.....especially knowing there have been no internal changes to justify the lengthening of the service interval.

The 07 has a lifetime powertrain warranty, the 2010 does not......this may be Jeep trying to protect itself from warranty expense.....which means, they know that steady transfer case service will keep the failures, due to wear, much lower.
Speculation on my part but like I said, there were no changes.

The remaining services, air filters, belts, etcetera, I lean towards overkill a bit.
I change air filters annually......I don't even look at the old one..it gets changed, period.
I replace wiper blades at the same time, once a year.
Serpintine belt gets exchanged every three years....my 07 is now on its second belt and the removed one rides in the rear as a 'piece of mind' spare.
Much nicer to change parts that have yet to fail.

I'll stay away from the plugs and oil discussion.

Lastly though, as Mongo said, these fluid services, when you do choose to do them, can be performed by any independent operation at a significant savings if you are uncomfortable doing it yourself.

Good luck,
Rob
01-21-2012 11:20 PM
Mongo Or, you could do the fluid changes yourself and since you'll save hundreds of dollars, its very cost effective do overkill on the maintenance. Of course, make sure you keep good records and receipts of the supplies you purchase.

If you go to the dealer, it's just NOT cost effective to do more then the minimum called for in the Owner's Manual. Make sure you educate yourself what's in the manual, plenty of dealers will try to rip you off, we've seen the $1600 bills from Dealer's that result from the owner just going in blind and asking for the required 30k mi. servicing.

Independent shops are always a lower cost option as well, BUT, again, keep good records and receipts.
01-02-2012 02:03 PM
mrkjsn Quick FYI - I just got off the phone with the dealership and explained the discrepancy. The service advisor was helpful and clarified by using the VIN and as it turns out for my year, the transfer case/differential fluid does not need to be replaced at 30k miles. He mentioned that it's "elective" if you do a lot of off roading and towing.

I compared the different manuals and it looks like beginning in 2008 is when they stopped requiring that the fluids be replaced at 30k miles. I would certainly have the dealer check the VIN first before agreeing to an expensive 30k mile service.
01-02-2012 01:47 PM
mrkjsn
30k Mile Service Clarification

I've been researching and preparing to do the 30k mile service as my 2010 just recently hit the 30k mark. I read quite a bit of people replacing the differential/transfer case fluids at 30k as recommended by the dealers but when I pulled up the user manual from Jeep.com I came across the information below. Nothing about a replacing the fluids - just inspecting. The only time it ever comes up to replace the fluids is if the car is used as a commercial vehicle or towing at every subsequent 15k miles or so from beginning at 36k miles. For normal use, replacing the differential/transfer fluid doesn't come up until 120k.

I did compare against the 2007 user manual and noticed that it does say replace the fluids at 30k miles. What changed between the older and newer Jeep Commanders? At the interest of keeping my warranty intact alone, is it safe not to replace the fluids at 30k miles?

Thanks!


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