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REPAIR INSTRUCTIONS
ON-VEHICLE SERVICE
Service Precautions
Notice
Brake Fluid may irritate eyes and skin. In case of
contact, take the following actions:
• Eye contact - rinse thoroughly with water.
• Skin contact - wash with soap and water.
• Ingestion - consult a physician immediately.
Notice
To help avoid personal injury due to poor braking. DO
NOT Tap into the vehicle's brake system to operate a
trailer brake system.
Note
When fasteners are removed, always reinstall them at
the same location from which they were removed. If a
fastener needs to be replaced, use the correct part
number fastener for is not available, a fastener of equal
size and strength (or stronger) may be used. Fasteners
that are not reused, and those requiring thread-locking
compound will be called out. The correct torque values
must be used when installing fasteners that require
them. If the above procedures are not followed, parts
or system damage could result.
Note
Use only DOT-3 equivalent hydraulic brake fluid. The
use of DOT-5 (silicone) brake fluid is not recommended.
Reduced brake performance or durability may result.
Note
Avoid spilling brake fluid on any the vehicle's painted
surfaces, wiring, cables or electrical connectors. Brake
fluid will damage paint and electrical connections. If
any fluid is spilled on the vehicle, flush the area with
water to lessen the damage.
ABS
REXTON SM - 2004.4
Electronic system service precautions
Take care to avoid electronic brake control module (HECU)
circuit overloading. In testing for opens or shorts, do not
ground or apply voltage to any circuit unless instructed to
do so by the diagnostic procedure.
Test circuits only with a high-impedance multi-meter. Never
remove or apply power to any control module with the igni-
tion switch in the ON position. Always turn the ignition to
the OFF position before removing or connecting battery
cables, fuses or connectors.
General service precautions
Disconnect the HECU connector before performing any
vehicle welding work using an electric arc welder.
Do not attempt to disassemble any component designated
as nonserviceable. The hydraulic modulator and the HECU
can be seperated. (There is however no access to repair
the each components.)
Bleeding system
Replacement modulators are shipped already filled and
bled. In normal procedures requiring removal of the
modulator, such as to replace the HECU, air will not enter
the modulator, and normal bleeding will be all that is
needed.
If air enters the hydraulic modulator, or if an unfilled modu-
lator is installed, use the brake bleeding program in the
scan tool to bleed the modulator. Manual bleeding of the
hydraulic modulator is not possible.
8E1-7
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
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