Change your rear DIFFERENTIAL fluid.
You will not believe how this oil is overlooked by owners on getting drained and refilled.
Those ring and pinion gears need oil that is not broken down completely, especially when TOWING, heavy stop n go traffic and water crossings (which we all know is a no no) unless you are asking for trouble.
Make sure you add the additive for the limited slip.
80w90
75w140
And so on
It smells terrible but change the fluid. 15,000 severe, 30,000 normal.
But who has a truck and drives normal/ideal. A truck is a workhorse not a show pony.
You will not believe how this oil is overlooked by owners on getting drained and refilled.
Those ring and pinion gears need oil that is not broken down completely, especially when TOWING, heavy stop n go traffic and water crossings (which we all know is a no no) unless you are asking for trouble.
Make sure you add the additive for the limited slip.
80w90
75w140
And so on
It smells terrible but change the fluid. 15,000 severe, 30,000 normal.
But who has a truck and drives normal/ideal. A truck is a workhorse not a show pony.