Changing Fluids

[WickedBruce]

Going to do this very soon. Got a list here of everything I'm going to get. Opinions, gripes, complaints?

7 32oz bottles of Castrol ATF+4 for Transmission, Transfer Case, and Power Steering.

4 1qt bottles of Valvoline High Performance 85w140 for Front and Rear Differentials.

5 1qt bottles of Mobil1 5w30 for Engine Oil

 

[1BADKJ]

Are you going to drain the converter.

 

[WickedBruce]

I do not plan on it. I've never done it before

 

[dude1116]

Do you tow a lot? There's a different recommended oil for the rear if you don't tow.

PS - Dif fluid STINKS. Oh and make sure you have an oil pump for it. (At least for the front)

 

[WickedBruce]

I was under the impression that you can use the 85w140 when towing, or off-roading.

 

[1BADKJ]

I used to do my own trans fluid but it only changes half the fluid. I go and have a trans flush done. Changes 100% of the fluid. I used to do them at STS tire and auto...

 

[WickedBruce]

I don't have the funds for that...gotta keep saving for tires!

 

[yellocoyote]

I use the same weight gear oil in both diffs. I don't tow with it, but for the amount of offroad use mine sees, it's fine. It's for that same reason that I use the heavier use maintenance schedule in the back of the manual... even though I don't tow.

 

[Porkchop]

On an 04 I'd do Hoat and brake fluid if they haven't been done.

 

[WickedBruce]

That's next. Was going to do that separate . I haven't done it, and I got it at 85,kmi...doubt the person before me did anything

 

[TheBlueKJ]

What mileage are you at now? Coolant change should be done at around 100k miles

 

[TheBlueKJ]

And I'm going to be changing both diff fluids and tcase fluids soon enough, castrol atf +4 in the tcase and Peak in the diffs. If you don't have a siphon for the rear your gonna have to take off the cover to drain it, the front has a drain plug.

 

[WickedBruce]

I plan on taking the cover off anyway, so I can get a good look at the inside and make sure everything looks to be in good condition. I'm at around 94k now

 

[TheBlueKJ]

Alright So your coolant should be good for another 2 oil changes

 

[Porkchop]

I'd do coolant every 5yrs or 100,000 what ever comes first. Keep it clean and the heater core hot I also check the cap. Airs a killer for long life antifreeze.

 

[WickedBruce]

Meh, may as well do it now if I'm gonna be doing everything else!

 

[TheBlueKJ]

That's the spirit!:headbang:

 

[WickedBruce]

Gottta be proactive....or have no Jeep.

 

[tjkj2002]

I was under the impression that you can use the 85w140 when towing, or off-roading.

You are correct in that impression.

85w-140 non-syn gear oil is far better for all apps then any synthetic gear is.

 

[Wildebeest]

You are correct in that impression.

85w-140 non-syn gear oil is far better for all apps then any synthetic gear is.

Interesting recommendation since Chrysler does spec 75w-140 synthetic for the front diff, and also for the rear in towing/offroad applications...