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Unread 11-02-2008, 08:38 PM   #1
TJShadow
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How Often do you Change your Fluids?

I'm just starting to learn more about working on my Jeep, and I'm wondering how often everyone changes their fluids i.e. oil, transmission, radiator, differential, brake, steering, etc., and which fluids you recommend. Do you go by the factory maintenance schedule, let a few things slide, or do you change some fluids more than what the manual calls for?


Last edited by TJShadow; 11-02-2008 at 08:52 PM..
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Unread 11-02-2008, 09:09 PM   #2
JBStone
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I'm at 18,500K miles on my Rubi so far and here's the schedule I'm on:

1. Engine Oil (Mobil 1 Synthetic) Every 5K Miles
2. Engine Oil Filter (Mobil 1) Every 5K Miles
3. Air Filter Every 5K Miles
4. Rotate Tires (5 Tire Rotation) Every 4K Miles
5. Differential Fluids Every 12K Miles (Switching Back to Non-Synthetic Per Jerry Bransford's Post From a While Back)

As far as the other stuff goes, I'll probably stick with the maintenance schedule per the owner's manual unless I see otherwise from the great people on this forum.
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Unread 11-02-2008, 09:12 PM   #3
GREASEMONKEY
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I use all AMSOIL fluids, and filters.
Oil @15K
ATF @60K
Transfer Case @60K
Differentials @60K
The air filter gets cleaned @5K
Rotate tires @5K
Got EBC Green brake pads Ft & Rr with 40K on them, and half the media left!
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Unread 11-03-2008, 09:25 AM   #4
TJShadow
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Quote:
Originally Posted by RUBIROCKER View Post
I use all AMSOIL fluids, and filters.
Oil @15K
ATF @60K
Transfer Case @60K
Differentials @60K
The air filter gets cleaned @5K
Rotate tires @5K
Got EBC Green brake pads Ft & Rr with 40K on them, and half the media left!
I've heard a lot of people mention that they like AMSOIL, but do you really only change your oil every 15k? My jeep was a lease before I bought it, and I probably only changed my oil about every 15k too (with synthetic), but I was wondering if I should have changed it more often. Oddly, I thought that I could tell when my Jeep really needed fresh oil, and it did seem to drive better afterwards.

I also didnt change my differential fluid untill about 50k due to a regear, but the manual has it listed that you should change it every 12k - is that excessive or should I start doing that with my new gears?
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Unread 11-03-2008, 09:40 AM   #5
GREASEMONKEY
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Amsoil oil, with the Amsoil filter is listed on their site at 20k intervals!
12k on factory fluid is fine, but over kill with the top quality lubricants.
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Unread 11-03-2008, 09:57 AM   #6
robertdeal
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change your fluids every 5000 miles or if you dont run 5000 in 3 months change it every 3 months
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Unread 11-03-2008, 10:21 AM   #7
TJamz
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Quote:
Originally Posted by JBStone View Post
I'm at 18,500K miles on my Rubi so far and here's the schedule I'm on:

1. Engine Oil (Mobil 1 Synthetic) Every 5K Miles
2. Engine Oil Filter (Mobil 1) Every 5K Miles
3. Air Filter Every 5K Miles
4. Rotate Tires (5 Tire Rotation) Every 4K Miles
5. Differential Fluids Every 12K Miles (Switching Back to Non-Synthetic Per Jerry Bransford's Post From a While Back)

As far as the other stuff goes, I'll probably stick with the maintenance schedule per the owner's manual unless I see otherwise from the great people on this forum.

What did Jerrys post say about Diff fluids?
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Unread 11-03-2008, 10:25 AM   #8
Marauder_Pilot
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I generally change every season. I'm going to do everything this month, since I need to 'winterize' the Jeep as well.
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Unread 11-03-2008, 10:48 AM   #9
suntzur
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Using Amsoil, I've been on a once per year schedule for the past 18 years or so. I run the fresh Amsoil in my vehicles, pull it out and put it into my father-in-law's Toyota and he runs it until the next season.

Amsoil's 0-30 Signature series is a 35k mile oil and even though they recommend changing it annually, I'm going to push it to the 35k just to see what it does. I'll change my plan if the oil starts to look nasty. I ran my Ford Focus HARD with 0W20 for over a year and it literally looked like I had stuck my dipstick into a fresh quart of oil. That engine was obviously well taken care of prior to then, but it was encouraging to see it so clean.
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Unread 11-03-2008, 11:40 AM   #10
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I've heard some people say that AMSOIL is just snake oil by a different name because it doesnt have the different standards that it meets listed on the label. I like the idea of only changing my oil once a year though. I'm going to have to look into that more.

What about the transmission? How often does everyone change their transmission fluid?
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Unread 11-03-2008, 12:43 PM   #11
GREASEMONKEY
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Quote:
Originally Posted by robertdeal View Post
change your fluids every 5000 miles or if you dont run 5000 in 3 months change it every 3 months
5k or 6mo on conventional oil is fine. 3mo is somthing designed to boost sales at jiffy lube! Oil actually does start to seperate after about 13mo used or not!

Quote:
Originally Posted by TJShadow View Post
I've heard some people say that AMSOIL is just snake oil by a different name because it doesnt have the different standards that it meets listed on the label.
UM... pick up a quart! It's there! The olderqts didn't have the info listed on the bottle, but was readily available from a dealer, or on the web site!

AND NO I'M NOT A DEALER, I'm a user!
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Unread 11-03-2008, 01:05 PM   #12
TJShadow
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OK, so with synthetic motor oil I should be fine with an annual change - unless I'm driving a lot. What about the other fluids? Does your differential really need to be changed every 12k?
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Unread 11-03-2008, 01:08 PM   #13
digitalcox
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I usually stick with what the manual recommends on fluid change intervals. I've been using Valvoline for my engine oil, diffs and t-case while using the mopar fluid for the transmission. Jeep is running good and I don't have any issues.
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Unread 11-03-2008, 02:05 PM   #14
Ole Yeller
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On the 05-06 6 speeds, the owners manual says use Mopar part no. xxxxxxxxx or equivilent. No specs on the oil at all. What weight is it? The dealer couldn't even tell me.
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Unread 11-03-2008, 03:29 PM   #15
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I would include an engine oil analysis as part of any change to long (greater than 5K-7.5K) engine oil drain intervals. You'll only need to do it once for the initial drain, I'd personally drain a sample once a year afterward and have it analyzed but it's not 100% necessary.
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