Removal & Installation
- Turn ignition off. Disconnect negative battery terminal. Raise and support vehicle. Wash all contaminants from Electro-Hydraulic Control Unit (EHCU). Disconnect harness connector from EBCM. Remove EHCU from frame rail.
- Remove mounting bracket from EHCU. Remove EBCM mounting screws from BPMV. DO NOT use a tool to pry EBCM from BPMV. Separate EBCM from BPMV. If removing EBCM, remove combination valve from EBCM.NOTE: DO NOT use RTV or other type of sealant on EBCM gasket or mating surfaces.
- To install, reverse removal procedure. Calibrate new EBCM to vehicle tire size using a scan tool. Tighten NEW BPMV-to-EBCM mounting screws in criss-cross pattern and to 18 INCH lbs. (24 N.m).