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2007 Mercury Mariner Hybrid – Low Brake Pedal With C1525
CUSTOMER CONCERN Customer states the brake pedal is low after replacement of a failed front brake hose. DTC C1525 is stored. CAUSE Air remained trapped in the electronically controlled hydraulic brake system because the required hybrid service-bleed routine had not been completed. CORRECTION Perform complete ABS service-bleed procedure with a compatible scan tool and pressure bleeder. Clear DTC C1525.
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