Nov 8, 2023 #1 Tcoon6218 Junior Member Joined Jul 26, 2023 Posts 11 Reaction score 21 Location Michigan First Name Tyler Truck Year 1987 Truck Model v10 Silverado Engine Size 5.7 originally now 5.3l What in the hell is this on the back of a 1989 r30 with a 5th wheel. The brake line goes into it and then runs to the rear drums. Attachments image.jpg 102.8 KB · Views: 63
What in the hell is this on the back of a 1989 r30 with a 5th wheel. The brake line goes into it and then runs to the rear drums.
Nov 8, 2023 #2 skysurfer Full Access Member Joined Oct 23, 2010 Posts 2,672 Reaction score 2,146 Location west coast First Name John Truck Year 1989 Suburban Truck Model V2500 Engine Size 5.7/TH400/NP241C It adjusts brake pressure according to load. Search LSPV, it’s been covered in quite a few threads.