park assist CHERY TIGGO 2009 Service Repair Manual

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CONDITIONPOSSIBLE CAUSES CORRECTION
Excessive Pedal Effort · Obstruction of brake pedal.
· Low power brake booster assist.
· Glazed brake pads.
· Brake pad lining transfer to brake
rotor.· Inspect, remove or move
obstruction.
· Refer to Power Brake Booster in
this section.
· Resurface or replace brake rotors
as necessary. Replace brake pads.
· Resurface or replace brake rotors
as necessary. Replace brake pads.
Excessive Pedal Effort (Hard Pedal
Unable To Lock-Up Wheels) · Power brake booster runout
(vacuum assist).· Check booster vacuum hose and
engine tune for adequate vacuum
supply.
Excessive Pedal Travel (Vehicle
Stops OK) · Air in brake lines.
· Bleed brakes.
Pedal Pulsates/Surges During
Braking · Disc brake rotor has excessive
thickness variation.· Isolate condition as rear or front.
Resurface or replace brake rotors as
necessary.
Pedal Is Spongy · Air in brake lines.· Bleed brakes.
Vehicle Pulls To Right Or Left On
Braking · Frozen brake caliper piston.
· Contaminated brake pad/shoe
lining (most likely front lining).
· Pinched brake lines.
· Leaking piston seal.
· Suspension problem.· Replace frozen piston or caliper.
Bleed brakes.
· Inspect and clean, or replace
pads/shoes. Repair source of
contamination.
· Replace pinched line.
· Replace piston seal or brake
caliper.
· See the Suspension section.
Parking Brake - Excessive Handle
Travel · Rear brakes out of adjustment.· Adjust rear parking brake shoes on
vehicles with rear disc brakes.
DIAGNOSIS & TESTING
12–8Chery Automobile Co., Ltd.