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3． HECU Replacement
① When the vehicle is stopped, remove the 25-pin connector and harness wiring of the HECU
located within the engine compartment.
25-Pin Connector Used in MGH-25 ABS
(P/No
：
AMP 368482-1)
② Screw off in counter clockwise direction the 6 bolts (M10x1.0) connected to the HECU brake
hose with 11mm tool (wrench) (rotate in clockwise direction during refit). The tightening torque for
the brake hose is 120 ~ 160 kgf·cm.
③ Screw off in counter clockwise direction the 3 bolts or nuts connected to the bracket with
12mm tool (wrench) (rotate in clockwise direction during refit). The tightening torque for the fixing
bolts or nuts of the bracket is 190 ~ 260 kgf·cm.
④ After the removal of the product, screw off in counter clockwise direction the 3 embedded
bolts (M6x1.0) attached to the HECU with 5mm tool (hex wrench) (see the figure in next page).
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