Explorer 2WD V6-245 4.0L (1994)
4WABS Hydraulic Control Unit: Service and Repair
4WABS Brake Control System
Item
Part Number
Description
1.
2C018
Electronic Control
Unit (ECU)
5.
2C215
Hydraulic Control
Unit (HCU)
7.
2234
Tube Assembly
11.
2263
Tube Assembly
12.
N802768
Clip
13.
2264
Tube Assembly
14.
2B557
Hose Assembly
15.
2078
Hose Assembly
19.
2C008
Tube Assembly
REMOVAL
1. Disconnect positive battery cable.
2. Disconnect 8-pin connector attaching Hydraulic Control Unit (HCU) to wire harness, and disconnect 4-pin connector attaching pump motor to
harness.
3. Remove two tubes from inlet ports and three tubes from outlet ports of HCU. Plug each port to prevent brake fluid from spilling on paint and
wiring.
4. Remove three nuts retaining HCU assembly to mounting bracket and remove assembly from vehicle.
CAUTION: The HCU is not interchangeable with other units. Be sure to replace with correct part.
INSTALLATION
1. Insert HCU assembly into mounting bracket. Install three retaining nuts and tighten to 16-24 Nm (12-18 ft lb).
2. Connect three tubes to outlet ports on side of HCU and two tubes to inlet ports on front of HCU. Tighten tube fittings to 14-24 Nm (10-18 ft lb).
3
Connect 8-pin connector and 4-pin connector to harness.