Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 245
BOOSTER-ACTIVE BRAKE - MK25
DESCRIPTION
The active brake booster is part of the Electronic Stability Program (ESP). It is serviced as part of the power brake
booster. For more information on ESP, (Refer to 5 - BRAKES - DESCRIPTION).
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BRAKES - ABS SERVICE INFORMATION
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HYDRAULIC CONTROL UNIT
REMOVAL
To remove the HCU, the ICU must be removed and disassembled. (Refer to 5 - BRAKES/HYDRAULIC/MECHAN-
ICAL/ICU (INTEGRATED CONTROL UNIT) - REMOVAL) (Refer to 5 - BRAKES/HYDRAULIC/MECHANICAL/ICU
(INTEGRATED CONTROL UNIT) - DISASSEMBLY)
INSTALLATION
To install the HCU, assemble and install the ICU. (Refer to 5 - BRAKES/HYDRAULIC/MECHANICAL/ICU (INTE-
GRATED CONTROL UNIT) - ASSEMBLY) (Refer to 5 - BRAKES/HYDRAULIC/MECHANICAL/ICU (INTEGRATED
CONTROL UNIT) - INSTALLATION)
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BRAKES - ABS SERVICE INFORMATION
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INTEGRATED CONTROL UNIT - MK25
REMOVAL
NOTE: Before proceeding, (Refer to 5 - BRAKES - WARNING) (Refer to 5 - BRAKES - CAUTION).
1. Disconnect and isolate battery negative cable (2)
from battery post.
2. Using a brake pedal holding tool, depress brake
pedal past its first inch of travel and hold it in this
position. Holding pedal in this position will isolate
master cylinder from hydraulic brake system and
will not allow brake fluid to drain out of brake fluid
reservoir while brake lines are open.
3. Remove brake tubes (1, 2, 3 and 10) at hydraulic
control unit (5).
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BRAKES - ABS SERVICE INFORMATION
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4. Remove remaining brake tubes (1 and 3) at
hydraulic control unit.
5. Disconnect 47-way wiring connector (5) at antilock
brake module (ABM) (6).
6. Pull up on unit (5) and remove from mounting
grommets (8).
DISASSEMBLY
1. Remove two screws attaching mounting bracket to HCU. Remove bracket.
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BRAKES - ABS SERVICE INFORMATION
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