Load Sensitive Proportioning Valve

Adjust Load Sensitive Proportioning Valve (LSPV) with vehicle jack etc. and fuel tank full (normal load). Push and hold lever up until it contacts stopper bolt. Length of load sensing spring should be 4.06 inches. To adjust load sensing spring, loosen lower bolt at suspension arm bracket, and adjust length. Tighten spring bolt to 17 ft. lbs. (23 N.m).