LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Disc Brake System & Drum Brake System - RWD Trucks >> Adjustments >> Height Sensing Proportioning Valve >> "C" & "K" Series

"C" & "K" Series

Ensure rear axle is hanging free and valve is securely bolted to frame when lever is attached to valve before height-sensing proportioning valve is adjusted. See Fig 1.

Fig 1: Height-Sensing Proportioning Valve ("C" & "K" Series)
G91B13756Courtesy of GENERAL MOTORS CORP.