I wanted to thank you, i found a valve on the middle air tank on my Volvo. I had dirt and crud around it, I cleaned it worked again all lost air...
are we talking about 2 different valves
i have heard of tractor protection valve, i had air to brakes and all air bags just not cab bags suspension and splitter, it is a 13 speed
i didnt know till i was on the way home , no place to turn around. made it home safe and put truck in the air i thought tech may have...
i have never heard of that what does it look like
picked up truck after having it serviced a 2002 Volvo VNL 780 VIN 4V4NC9TJ12N331024 Engine serial ISX 475HP 14020915 shop is closed had to drive...