nytoppoint
-
Posts
2 -
Joined
-
Last visited
BigMackTrucks.com is a support forum for antique, classic and modern Mack Trucks! The forum is owned and maintained by Watt's Truck Center, Inc. an independent, full service Mack dealer. The forums are not affiliated with Mack Trucks, Inc.
Thank you for your support!
1994 Mack RD688s air won't charge more than 30 lbs
in Truck Stories
Posted
Truck was sitting for few months ,now air pressure wont pass more than 30lbs changed the regulator by the fire wall ,no change,opened the tap on the compressor seems air pressure is normal at the compressor,any ideas please