Differential fluid change
OK this is my first time doing this. I have the correct fluid and I hope the correct gasket. My question is: do I use permatex on the gasket or leave it clean?
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- Well it is snugged up with squeeze out all around. I'll let it cure over night then torque the bolts down and add fluid. The fill plug had almost no no metal filings. Basically an easy job once I go all the tools and materials together.
Transfer case next.
I looked at a number of YouTube videos and some of those guys really should not be doing them. I saw one that was excellent. And some that were awful like the guy who was using a 1/2 socket wrench and pulling down as hard as he could on it. Just shows there is a lot of leeway in the process since they all seems to be happy with the results. Some of them are still using paper gaskets. And none except the excellent one use a torque wrench.
The drain plug is sized for a 3/8 socket wrench head. - I have a drain plug at the bottom with a magnet. 108 K miles on truck diff has been changed 12 times. So easy to do for me so why not. chevman
Cummins12V98 wrote:
No, not really. Usually had to be careful picking it up to keep from squeezing oil out before I got it into position.fj12ryder wrote:
All of the differential fluid I've gotten has always come in a squeezable bottle. Clip the cap and away you go.
Hard plastic squeezable right? He one I showed is much easier to use in thighs places.
"Thighs places"? Uh, where are you putting this oil anyway? :)Cummins12V98 wrote:
Absolutely, I usually rinse mine out with a bit of solvent I have laying around. Always some kind of crud flushes out.
Remove the cover!!! You can inspect and wipe out and sediment at the bottom of housing.
And you make sure you get all the oil out too.BarabooBob wrote:
I tried to use a pump to suck the old fluid out of the rear differential but I could not get the hose to go past the gear inside of the fill bolt. There was not enough room. It only took me an hour to get the rear differential and transfer case done. Most of that was spent removing the old sealant off of the differential and cover.
Didn't you want to inspect the gears? I have the cover open and am letting the fluid drain right now. I got the permatex gear gasket maker since it is made for differentials. This one has a metal ring under the bolts that does not show up in most of the youtube videos.
I had to get the hose out and wash down the underside of the truck before starting heh.- I tried to use a pump to suck the old fluid out of the rear differential but I could not get the hose to go past the gear inside of the fill bolt. There was not enough room. It only took me an hour to get the rear differential and transfer case done. Most of that was spent removing the old sealant off of the differential and cover.
- Remove the cover!!! You can inspect and wipe out and sediment at the bottom of housing.
fj12ryder wrote:
All of the differential fluid I've gotten has always come in a squeezable bottle. Clip the cap and away you go.
Hard plastic squeezable right? He one I showed is much easier to use in thighs places.agesilaus wrote:
FishOnOne wrote:
agesilaus wrote:
OK this is my first time doing this. I have the correct fluid and I hope the correct gasket. My question is: do I use permatex on the gasket or leave it clean?
Curious how many miles you have on your '12 truck.
133K it mostly gets a workout during summer tho that's about to change as we plan to go semi fulltime. If camping ever opens up again.
Yeah that's a pretty good amount of miles.
I wonder how effective running a tube down into the differential and sucking out the lube would be instead of having to remove the cover.
All this fluid change discussion is making me get the itch to change mine out.- All of the differential fluid I've gotten has always come in a squeezable bottle. Clip the cap and away you go.
