Height Control Valve: Adjustment
- Adjustment should be performed with full fuel tank. Raise vehicle on platform hoist and support front and rear suspension. Detach link assembly from rear upper control arm. Manually operate lever until only residual pressure is left in air sleeve shocks.
- Adjust lever arm so that link assembly will require 1/4" downward movement to enter hole in upper arm. Retighten adjusting nut to 70-80 INCH lbs. Attach link to upper arm and perform SYSTEM FUNCTIONAL TEST . If necessary, readjust lever arm.