Page 263 of 281

38C-4
ANTI-LOCK BRAKING SYSTEM
Hydraulic brake unit: Removal - Refitting
K9K, and LEFT-HAND DRIVE
38C
aRemove:
-the hydraulic assembly intermediate bracket bolts
(10) ,
-the « hydraulic unit intermediate bracket - hydraulic
unit » assembly (11) from the main mounting,
-the hydraulic unit bolts (12) from its intermediate
bracket,
-the hydraulic unit from its intermediate bracket.
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the hydraulic unit onto its intermediate bracket,
-the hydraulic unit bolts onto its intermediate brack-
et.
aTorque tighten the hydraulic unit bolts on its inter-
mediate bracket (8 Nm).
aRefit:
-the « hydraulic unit intermediate bracket - hydraulic
unit » assembly onto the main mounting,
-the hydraulic unit intermediate bracket bolts onto
the main hydraulic unit mounting.
aTorque tighten the hydraulic unit intermediate
bracket bolts on the main hydraulic unit mount-
ing (6.5 Nm).aRefit:
-the « hydraulic unit mounting - hydraulic unit » as-
sembly on the body,
-the hydraulic unit main mounting bolts on the body.
aTorque tighten the hydraulic unit main mounting
bolts on the body (8 Nm).
II - FINAL OPERATION.
aRemove the blanking plugs.
aFit and tighten the rigid brake pipe unions on the hy-
draulic unit.
aTorque tighten the rigid brake pipe unions on the
hydraulic unit (13 Nm).
aConnect the computer connector on the hydraulic
unit.
aFit the bulkhead soundproofing.
aRefit:
-the soundproofing clip,
-the rigid exhaust gas recirculation circuit pipe,
-the lifting eye on the right-hand side,
-the air filter box (see Air filter unit: Removal - Re-
fitting) (MR 411, 12A, Fuel mixture),
-the scoop under the scuttle panel grille (see Scoop
under the scuttle panel grille: Removal - Refit-
ting) (MR 412, 56A, Exterior equipment),
-the scuttle panel grille (see Scuttle panel grille:
Removal - Refitting) (MR 412, 56A, Exterior
equipment),
-the front wheel arch liner, on the passenger side
(see Front wheel arch liner: Removal - Refitting)
(MR 412, 55A, Exterior protection),
-the front wheel on the passenger side (see 35A,
Wheels and tyres, Wheel: Removal - Refitting,
page 35A-1) .
aRemove the pedal press from the brake pedal.
aConnect the battery (see Battery: Removal - Refit-
ting) (MR 411, 80A, Battery).
aBleed the braking circuit (see 30A, General infor-
mation, Braking circuit: Bleed, page 30A-4) .
121456
Page 264 of 281

38C-5
ANTI-LOCK BRAKING SYSTEM
Hydraulic brake unit: Removal - Refitting
D4F or D7F, and LEFT-HAND DRIVE
38C
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (MR 411, 02A, Lifting equip-
ment).
aDisconnect the battery (see Battery: Removal - Re-
fitting) (MR 411, 80A, Battery).
aPosition the pedal press on the brake pedal to limit
the outflow of brake fluid.
aRemove:
-the front wheel on the passenger side (see 35A,
Wheels and tyres, Wheel: Removal - Refitting,
page 35A-1) ,
-the front wheel arch liner, on the passenger side
(see Front wheel arch liner: Removal - Refitting)
(MR 412, 55A, Exterior protection),
-the ignition coil (see Coils: Removal - Refitting)
(MR 411, 17A, Ignition),
-the fuel vapour recirculation circuit solenoid valve
(see Fuel vapour absorber: Removal - Refitting)
(MR 411, 14A, Emission control),
-the air filter box (see Air filter unit: Removal - Re-
fitting) (MR 411, 12A, Fuel mixture).aDisconnect the hydraulic unit computer connector
(1) .
aUndo the rigid brake pipe unions (2) on the hydraulic
unit.
aInsert the blanking plugs. Equipment required
pedal press
Tightening torquesm
hydraulic unit bolts on
its inter mediate bracket8 Nm
hydraulic unit inter medi-
ate bracket bolts on the
main hydraulic unit
mounting6.5 Nm
hydraulic unit main
mounting bolts on the
body8 Nm
rigid brake pipe unions
on the hydraulic unit13 Nm
121359
121360
WARNING
Prepare for the flow of fluid, and protect the sur-
rounding components.
Page 266 of 281

38C-7
ANTI-LOCK BRAKING SYSTEM
Hydraulic brake unit: Removal - Refitting
D4F or D7F, and LEFT-HAND DRIVE
38C
-the hydraulic unit main mounting bolts on the body.
aTorque tighten the hydraulic unit main mounting
bolts on the body (8 Nm).
II - FINAL OPERATION.
aRemove the blanking plugs.
aFit and tighten the rigid brake pipe unions on the hy-
draulic unit.
aTorque tighten the rigid brake pipe unions on the
hydraulic unit (13 Nm).
aConnect the computer connector on the hydraulic
unit.
aRefit:
-the air filter box (see Air filter unit: Removal - Re-
fitting) (MR 411, 12A, Fuel mixture),
-the fuel vapour recirculation circuit solenoid valve
(see Fuel vapour absorber: Removal - Refitting)
(MR 411, 14A, Emission control),
-the ignition coil (see Coils: Removal - Refitting)
(MR 411, 17A, Ignition),
-the front wheel arch liner, on the passenger side
(see Front wheel arch liner: Removal - Refitting)
(MR 412, 55A, Exterior protection),
-the front wheel on the passenger side (see 35A,
Wheels and tyres, Wheel: Removal - Refitting,
page 35A-1) .
aRemove the pedal press from the brake pedal.
aConnect the battery (see Battery: Removal - Refit-
ting) (MR 411, 80A, Battery).
aBleed the braking circuit (see 30A, General infor-
mation, Braking circuit: Bleed, page 30A-4) .
Page 267 of 281

38C-8
ANTI-LOCK BRAKING SYSTEM
Hydraulic brake unit: Removal - Refitting
D4F, and 780, and LEFT-HAND DRIVE – K4M, and LEFT-HAND DRIVE
38C
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
aDisconnect the battery (see Battery: Removal - Re-
fitting) (80A, Battery).
aPosition the pedal press on the brake pedal to limit
the outflow of brake fluid.
aRemove:
-the passenger side front wheel (see 35A, Wheels
and tyres, Wheel: Removal - Refitting, page
35A-1) ,
-the front wheel arch liner (see Front wheel arch
liner: Removal - Refitting) (55A, Exterior protec-
tion).
aRemove the air filter housing (see Air filter unit: Re-
moval - Refitting) (12A, Fuel mixture).aDisconnect the fuel vapour rebreathing solenoid
valve union (1) .
aRemove the fuel vapour rebreathing solenoid valve
(2) .
aRemove the bolts (3) from the bulkhead heat shield.
aMove the bulkhead heat shield (4) to one side. Equipment required
pedal press
refrigerant charging station
Tightening torquesm
hydraulic unit bolts on
its inter mediate bracket8 Nm
intermediate bracket
bolts on the hydraulic
unit main bracket8 N.m
hydraulic unit main
mounting bolts on the
body8 Nm
rigid brake pipe unions
on the hydraulic unit13 Nm
D4F, and 780
109625
122384
Page 270 of 281
38C-11
ANTI-LOCK BRAKING SYSTEM
Hydraulic brake unit: Removal - Refitting
D4F, and 780, and LEFT-HAND DRIVE – K4M, and LEFT-HAND DRIVE
38C
aConnect the battery (see Battery: Removal - Refit-
ting) (80A, Battery).
aBleed the brake circuit (see 30A, General informa-
tion, Braking circuit: Bleed, page 30A-4) .
Page 271 of 281

38C-12
ANTI-LOCK BRAKING SYSTEM
Hydraulic brake unit: Removal - Refitting
RIGHT-HAND DRIVE
38C
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
aRemove the battery (see Battery: Removal - Refit-
ting) (80A, Battery).aRemove:
-the scuttle panel grille (see Scuttle panel grille:
Removal - Refitting) (56A, Exterior equipment),
-the battery tray (see Battery tray: Removal - Re-
fitting) (80A, Battery),
-the bolts (1) from the secondary brake fluid reser-
voir.
aMove aside the secondary brake fluid reservoir.
aRemove:
-the petrol injection computer (see Petrol injection
computer: Removal - Refitting) (17B, Petrol in-
jection),
-the computer mounting bolts,
-the computer bracket. Tightening torquesm
hydraulic unit bolts on
its inter mediate bracket8 Nm
hydraulic unit inter medi-
ate bracket bolts on the
main hydraulic unit
bracket8 Nm
hydraulic unit main
mounting bolts on the
body8 Nm
rigid brake pipe unions
on the hydraulic unit14 Nm
secondar y brake fluid
reservoir bolts8 Nm
123854
K4M
Page 273 of 281

38C-14
ANTI-LOCK BRAKING SYSTEM
Hydraulic brake unit: Removal - Refitting
RIGHT-HAND DRIVE
38C
aRemove:
-the hydraulic assembly intermediate bracket bolts
(5) ,
-the “hydraulic unit intermediate bracket - hydraulic
unit” assembly (6) from the main bracket,
-the hydraulic unit bolts (7) ,
-the hydraulic unit from its intermediate bracket.
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aRefit the hydraulic unit on its support.
aTorque tighten the hydraulic unit bolts on its inter-
mediate bracket (8 Nm).
aRefit the "hydraulic unit intermediate bracket - hy-
draulic unit" assembly on the main bracket.
aTorque tighten the hydraulic unit intermediate
bracket bolts on the main hydraulic unit bracket
(8 Nm).
aRefit the "hydraulic unit main bracket - hydraulic
brake unit" assembly on the body.
aTorque tighten the hydraulic unit main mounting
bolts on the body (8 Nm).
aRefit the rigid brake pipe unions on the hydraulic
unit.
aTorque tighten the rigid brake pipe unions on the
hydraulic unit (14 Nm).aConnect the braking hydraulic unit connector.
II - FINAL OPERATION.
aRefit:
-the computer bracket.
-the petrol injection computer (see Petrol injection
computer: Removal - Refitting) (17B, Petrol in-
jection).
aFit the secondary brake fluid reservoir.
aTorque tighten the secondary brake fluid reser-
voir bolts ( 8 Nm).
aRefit:
-the battery tray (see Battery tray: Removal - Re-
fitting) (80A, Battery),
-the scuttle panel grille (see Scuttle panel grille:
Removal - Refitting) (56A, Exterior equipment).
aRefit the battery (see Battery: Removal - Refitting)
(80A, Battery).
aBleed the brake circuit (see 30A, General informa-
tion, Braking circuit: Bleed, page 30A-4) .
121456
K4M
Page 280 of 281

38C-21
ANTI-LOCK BRAKING SYSTEM
Braking computer: Removal - Refitting
38C
This repair method only relates to vehicles without
ESP, equipped with TEVES brand hydraulic unit.
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (MR 411, 02A, Lifting equip-
ment).
aDisconnect the battery (see Battery: Removal - Re-
fitting) (MR 411, 80A, Battery).
aRemove the entire hydraulic unit (see 38C, Anti-
lock braking system, Hydraulic brake unit: Re-
moval - Refitting, page 38C-2) .II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove:
-the braking computer bolts (1) on the hydraulic unit,
-the braking computer (2) .
REFITTING
I - REFITTING PREPARATION OPERATION
aDo not clean the pressure modulation unit (3) . Special tooling required
Mot. 1608Torque screwdriver 1 to 6.6
N.m.
Equipment required
Diagnostic tool
Tightening torquesm
braking computer bolts3 Nm
WARNING
Prepare for the flow of fluid, and protect the sur-
rounding components.
121457
19113