Renault Scenic 3 Chassis. Manual - part 48

38C

-

5

ANTI-LOCK BRAKING SYSTEM

Hydraulic unit

K4J

38C

Remove:

- the filter element (9),

- the throttle valve mounting bolts (11),

- the throttle valve,

- the air filter box (10).

Remove:

- the air distribution unit mounting bolts (12),

- the air distribution unit,

- the soundproofing screen mountings.

Remove the soundproofing screen.

Remove the lifting eye (13).

Remove the air conditioning pipe (see Evaporator -
dehydration canister).

101104

101800

10

9

11

11

101794

104324

AIR CONDITIONING or CLIMATE CONTROL

12

12

12

13

38C

-

6

ANTI-LOCK BRAKING SYSTEM

Hydraulic unit

K4J

38C

Remove the ABS computer earth terminal mounting
bolt.

Disconnect the computer connector.

Unscrew the six hydraulic unit pipes.

Unclip the six pipes from the hydraulic unit.

Remove:

- the hydraulic unit support mounting bolts (14),

- the « hydraulic unit - support » assembly,

- the hydraulic unit - support mounting bolts,

- the hydraulic unit.

REFITTING

Proceed in the reverse order to removal.

Refit the air conditioning pipe (see Evaporator - de-
hydration canister).

104341

WARNING

- Replace the throttle valve seal each time it is

removed.

- Position the hydraulic unit earth terminal wire

facing downwards to optimise the computer
connector sealing.

14

14

106032

WARNING

Set up the ear th terminal wires facing
downwards, to optimise the hydraulic unit compu-
ter connector sealing.

AIR CONDITIONING or CLIMATE CONTROL

38C

-

7

ANTI-LOCK BRAKING SYSTEM

Hydraulic unit

K4J

38C

Torque tighten:

- the hydraulic unit support mounting bolts   (0.65

daNm),

- the  bolts securing the pipes on the hydraulic

unit (1.4 daNm),

- the air distributor mounting bolts (0.9 daNm),

- the hydraulic unit - support mounting bolts (0.8

daNm).

Bleed the braking circuit using the Diagnostic tool

(Section General Vehicle Information, Braking circuit
bleed,  page 30A-5).

Fill up the refrigerant circuit using the filling station
tool.

WARNING

- When the ignition is switched on, the throttle

valve should run a minimum and maximum stop
programming cycle. Using the Diagnostic tool,
check that this programming has been executed
correctly.

- Connect the battery; carry out the necessary

programming (Section Electrical equipment).

AIR CONDITIONING or CLIMATE CONTROL

Note:

- Make sure the air conditioning is working pro-

perly with the fan assembly at top speed.

- If there is no cooling, look for leaks (see Leak

detection).

38C

-

8

ANTI-LOCK BRAKING SYSTEM

Hydraulic unit

K4M

38C

REMOVAL

Disconnect the battery, starting with the negative ter-
minal.

Fit a pedal press tool to the brake pedal to restrict
the outflow of brake fluid.

Drain the refrigerant circuit using the filling station
tool.

Remove the cowl grille ( Wiping - WashingSection).

Remove:

- the engine covers,

- the two air filter access panel mounting bolts (1),

- the plenum chamber partition mounting bolts (2),

- the plenum chamber partition.

Remove the plenum chamber bracket (3)

Equipment required

pedal press

filling station

Diagnostic tool

Tightening torques

m

0.65 daNm

hydraulic unit - support
mounting bolts

0.8 daNm

bolts securing the pipes
on the hydraulic unit

1.4 daNm

air distributor mounting
bolts

0.9 daNm

AIR CONDITIONING or CLIMATE CONTROL

104343

104246

104666

2

1

2

2

3