Fluids

[Jason4x4]

Let's say, hypothetically that I drove through some water...(see pics below)

Well, what fluids as far as transaxle oil, diff oil, etc should I consider changing?? Can somebody recommend a brand of gear oil, and also tell me what quantities and weights of oil go where? Could I find this info in the owner's manual?

I actually drove through that water 4-5 months ago, but I was unaware until recently that I should have changed my fluids. I don't know of any damage this may have caused, everything seems to be running fine but I'm getting a little paranoid now. If anyone can give me some info I'd greatly appreciate it.

BTW, I have the D44 rear and what is it...35? or 30 front...whatever is stock. It's an '06 'Sport' model with the 6 speed if that helps.

 

[jfrabat]

From what I understand, you can check the fluids, and if they appear to be in good order, you do not need to replace. BUT, I am a rookie, so better check with others! By the way, NICE PICS!

 

[Jason4x4]

From what I understand, you can check the fluids, and if they appear to be in good order, you do not need to replace. BUT, I am a rookie, so better check with others! By the way, NICE PICS!

Can anyone confirm/deny this?

 

[Bounty__Hunter]

I would change the diffs, cheap and easy. Then check the fluids in the transfer case and transmission. Water contamination will generally give a chocolate milk appearance to the fluid.

As for capacities, I would pick up a Chiltons or Haynes manual for the routine maintenance stuff.

 

[cewtwo]

Good rule of thumb - If it has a vent tube, change the fluids after deep water.

Look at the fluids and follow the advice above.

For the rear differential I use Redline (synthetic) 75/90. In my transfer case, I use ATF Dextron III Synthetic (TeraFlex TeraLow).

 

[redrooster]

All the fluids and weights should be in your owner's manual.
At that depth, you will want to check the transmission and transfer case and front and rear axles. If it's an automatic, the fluid will be pinkish and kind of foamy and sticky. Red means its good. You can check it from the dipstick. Manuals will have to be checked from the filler plug. I'm not sure if the TJ transmission shares fluid with the transfer case, but there should be a fill plug on it as well.
You can check the diffs through their fill plugs as well. Brown is normal, milky is contaminated.
I'm not sure of the configuration on the wheel bearings and how well they are sealed, but you may need to look into re-packing them. Maybe someone else will chime in about them.

 

[TwistedCU]

All the fluids and weights should be in your owner's manual.
At that depth, you will want to check the transmission and transfer case and front and rear axles. If it's an automatic, the fluid will be pinkish and kind of foamy and sticky. Red means its good. You can check it from the dipstick. Manuals will have to be checked from the filler plug. I'm not sure if the TJ transmission shares fluid with the transfer case, but there should be a fill plug on it as well.
You can check the diffs through their fill plugs as well. Brown is normal, milky is contaminated.
I'm not sure of the configuration on the wheel bearings and how well they are sealed, but you may need to look into re-packing them. Maybe someone else will chime in about them.

I agree with this entirely. The wheel bearings are sealed bearings and can't be repacked. You'll know when they need replaced as they'll squeal on themselves (pun intended).

(edit)
How many miles on the Jeep? Some may be due to be changed anyhow

 

[Jason4x4]

I agree with this entirely. The wheel bearings are sealed bearings and can't be repacked. You'll know when they need replaced as they'll squeal on themselves (pun intended).

(edit)
How many miles on the Jeep? Some may be due to be changed anyhow

She'll turn 20k this weekend when I drive it about 300 miles each way to my parents' house for the holiday. It's at 19,50x right now.