Here are some products I use related to van maintenance and mechanics
I use this to grease the kingpins regularly because they can wear out easily on a fully laden van
I was impressed by this product. I does seem to make the van quieter, smoother and more responsive
I carry this in the van for changing wheels. Reliable, quick and easy to store
Latex gloves break when working on the engine. These gloves are way better and safer
This stuff works. I used it years ago (coolant leak) and never had a leak since