Renault Scenic 3 Chassis. Manual - part 14

33A

-

7

REAR AXLE ASSEMBLIES

Brake pipe

33A

Proceed in the reverse order to removal.

Torque tighten:

- the  rigid brake pipe onto the rear axle  (1.4

daNm),

- the  rigid brake pipe onto the calliper  (1.4

daNm).

Bleed the braking circuit (see 30A Bleeding the bra-
king circuit).

106768

IMPORTANT

Make sure that the underbody brake pipes are
not under any strain at all the clips, and that they
are not crossed. If the brake pipes are crossed,
the ABS and ESP systems will not work properly.

33A

-

8

REAR AXLE ASSEMBLIES

Brake discs

33A

When replacing a brake disc, be sure to replace the
disc on the opposite side.

The discs are supplied with fitted bearings.

Brake discs are not regrindable. If there is excessive
wear or scoring, the brake discs must be replaced.

Be sure to replace the brake pads if the brake discs are
being replaced.

REMOVAL

Mount the vehicle on a two post lift.

Remove the wheels.

Unclip the parking brake cables (1).

Note the routing for refitting.

Remove:

- the guide pin bolts (2),

- the calliper.

Hang up the calliper.

Remove:

- the brake pads,

- the calliper support bolts (3),

- the calliper supports,

- the hub caps,

- the stub-axle nuts,

- the « disc - bearing » assemblies.

Check the condition of the braking components (re-
place faulty parts).

Clean the callipers and calliper supports.

REFITTING

Special tooling required

Fre. 1190-01

Tool for pushing calli-
per pistons back

Tightening torques

m

stub-axle nuts

22 daNm

calliper suppor t bolts

10.5 daNm

guide pin bolts

3.6 daNm

wheel bolts

13 daNm

101301

1

101306

Note:

Coat the calliper support and guide pin bolts with
FRENBLOC    or similar product before fitting
them.

2

3

33A

-

9

REAR AXLE ASSEMBLIES

Brake discs

33A

Push the calliper piston back using tool (Fre. 1190-
01) until it is at the end of its bore.

Proceed in the reverse order to removal

Torque tighten:

- the stub-axle nuts (22 daNm),

- the calliper support bolts (10.5 daNm),

- the guide pin bolts (3.6 daNm).

Refit the parking brake cables (4).

Check that the parking brake cable stops are proper-
ly engaged in their housing.

Check the brake fluid level.

Apply the parking brake control several times to ac-
tivate the locking and unlocking function and to acti-
vate the calliper automatic play compensation.

Refit the wheels.

Torque tighten the wheel bolts (13 daNm).

18931

101306

4

Note:

Depress the brake pedal several times to bring
the pistons, the brake pads and discs into con-
tact.

33A

-

10

REAR AXLE ASSEMBLIES

Bearing

33A

REMOVAL

Remove the brake disc (Section Rear axle assem-
blies, Brake discs,  page 33A-8).

Remove the circlip (1)

Remove the bearing by applying pressure with a49
mmdiameter pipe.

REFITTING

104528

104396

1

WARNING

Take care not to mark the wheel speed sensor
target on the bearing fitted with it when refitting.

WARNING

Clean:

- The internal and external surfaces of the new

bearing in contact with the hub carrier and the
stub-axle,

- the hub carrier surfaces, in contact with the new

bearing,

- the stub-axle surfaces, in contact with the new

bearing,

WARNING

It is essential to check the condition of the stub-
axle surface and the bore of the hub carrier.
Replace the hub carrier if it is faulty.

WARNING

Do not use the inner bearing race for support in
order to avoid damaging the bearing (significant
force is required for fitting).