Dark differential lube
Being the good owner that I am---I took the Ram to a shop for its oil change. I've had LOF done there before with no issues. This time, they said that the rear differential gear oil was "dark," and ...
Forum Discussion
Bedlam wrote:
I find replacing the brake fluid when you do pads is about right. If you are light on your brakes, the fluid lasts longer.
Some differentials use a friction material for limited slip that will discolor the oil quicker. Unless you have differential issues or noise or you have contaminated the oil by driving through flooded areas, you should be able to follow the owner manual or axle manufacturer specifications for oil changes.
Not sure about light on the brakes makes the fluid last longer. Brake fluid attracts moisture whether you are using the brakes or the truck is sitting in the garage and moisture in the fluid reduces the boiling point and reduction of the boiling point cause brake fade when and if the brakes are used aggressively.
