Hydraulic Control Assembly - Antilock Brakes: Service Precautions
Caution: For safety reasons, the brake pressure modulator valve assembly must not be repaired, the complete unit must be replaced. With the exception of the EBCM, no screws on the brake pressure modulator valve assembly may be loosened. No screws are loosened, It will not be possible to get the brake circuits leak-tight and personal injury may result.Caution: Make sure brake pipes are correctly connected to brake pressure modulator valve. If brake pipes are switched by mistake, wheel lockup will occur and personal injury may result. The only two ways this condition can be detected are by using a Scan Toot or by doing an Antilock stop.