Quote:
Originally Posted by Markwrench
According to my local GM parts pro, GM ALREADY ADDS the friction modifier to the recommended gear oil. I used AMSOIL Severe Gear 75W-90 and a bottle of modifier because it isn't specifically made for GM. Changed mine at 1500 miles,,,dirty but no shavings that I could see. Also did oil and filter at 600 miles. She is in hibernation until spring.
|
I'm sure it comes from the factory with the required fluid, but the manual itself (was just looking at it yesterday) says to add the friction modifier if you're changing it out.