Installation Procedure
IMPORTANT:
When installing a new brake modulator assembly, do NOT remove the shipping plugs from the pipe ports until after installation into the vehicle.
- Install the brake modulator assembly to the modulator bracket.
- Tighten the 2 brake pressure modulator assembly insulator nuts (1).
Tighten: Tighten the nuts to 8 N.m (71 lb in).
- Remove the caps from the master cylinder brake pipe ends.
- Remove the plugs from the master cylinder ports on the modulator assembly.
- Connect the master cylinder brake pipes (2) to the modulator assembly, in the same location as removed. Refer to Hydraulic Brake Pipe Routing - Master Cylinder to ABS in Hydraulic Brakes.
- Tighten the brake pipe fittings at the BPMV.
Tighten: Tighten the fittings to 18 N.m (13 lb ft).
- Remove the caps from the caliper and wheel cylinder brake pipe ends.
- Remove the plugs from the caliper and wheel cylinder ports on the modulator assembly.
- Connect the caliper and wheel cylinder brake pipes (1) to the modulator assembly, in the same location as removed. Refer to Hydraulic Brake Pipe Routing - Master Cylinder to ABS in Hydraulic Brakes.
- Tighten the brake pipe fittings at the BPMV.
Tighten: Tighten the fittings to 18 N.m (13 lb ft).
- Connect the electrical connector to the EBCM.
- Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding (Manual) or Hydraulic Brake System Bleeding (Pressure) .
- Turn the ignition switch to the ON position. DO NOT start engine.
- Perform the Diagnostic System Check - Vehicle in Vehicle DTC Information.
- Observe the feel of the brake pedal after performing the diagnostic system check. If the pedal now feels spongy, air may have been in the secondary circuit of the brake modulator assembly, which may have been introduced into the primary circuit. If the pedal feels spongy, perform the ABS Automated Bleed Procedure .
- Remove the shop towel and discard into an approved container.
NOTE:
Refer to Fastener Notice
in Cautions and Notices.