LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 1975 >> Thunderbird >> Repair and Diagnosis >> Suspension >> Suspension Control Systems >> Automatic Level Control >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Automatic Level Control: Description

The automatic level control system is designed to function after a load of three passengers (or equal weight) is added to the vehicle. As the load is added, air sleeve shock absorbers inflate and extend, raising rear of vehicle to proper level. The system consists of the following components: Vacuum operated compressor located on the left inner fender apron, Air bleed valve located on the compressor, Pressure reservoir tank attached to the left rear side of the number 4 crossmember, Height control valve and linkage attached to the center of the number 4 crossmember, Air sleeve shock absorbers installed in place of standard shocks, and Flexible 1/4" nylon tubing to connect the various components.