268954910-Renault-Scenic.pdf

FRONT AXLE COMPONENTS
Front brake calliper: Repair
31A
Essential special tooling
II - REPAIR OPERATION FOR PART CONCERNED
Fre. 1190-01
Brake calliper piston return
tool.
Essential equipment
pedal press
IMPORTANT
Consult the safety and cleanliness advice and operation
recommendations before carrying out any
repair (see Front axle assemblies: Precautions
for repair) .
81546
WARNING
Prepare for the flow of fluid, and protect the surrounding
components.
REPAIR
a Remove the piston using compressed air, making
sure to insert a wooden block between the calliper
and the piston to avoid damaging it. Any trace of impact
on the end panel will render the piston unfit for
use.
a Remove the dust seal.
I - REPAIR PREPARATION OPERATION
a Position the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
a Position the pedal press on the brake pedal to limit
the outflow of brake fluid.
a Remove:
-the front wheel (see 35A, Wheels and tyres,
Wheel: Removal - Refitting, page 35A-1) ,
- the front brake calliper (see 31A, Front axle components,
Front brake calliper: Removal - Refitting,
page 31A-5) .
81545
a Remove the rectangular section seal from the calliper
groove with a round edged spring blade (feeler
gauge).
WARNING
The whole calliper must systematically be replaced
if there are any scratches in the calliper bore.
a Clean the parts using methylated spirit.
31A-7