Page 138 of 652

11A-21
TOP AND FRONT OF ENGINE
Crankshaft accessories pulley: Removal - Refitting
D4F or D7F, and AIR CONDITIONING or STANDARD HEATING
11A
aLock the flywheel by inserting a large flat-blade
screwdriver into the gearbox aperture.
aRemove:
-the accessories pulley bolt (2) ,
-the accessories pulley.
REFITTING
I - REFITTING PREPARATION OPERATION
aClean the crankshaft accessories pulley V-grooves
with a brush to prevent any deposits.aparts always to be replaced: Accessories belt,
parts always to be replaced: Accessories belt
tensioning roller,
parts always to be replaced: Accessories ten-
sioning roller bolt (to be replaced by the hexagonal
head bolt, part no. 77 03 101 075),
parts always to be replaced: Crankshaft acces-
sories pulley bolts.
aparts always to be replaced: Accessories belt,
parts always to be replaced: Crankshaft acces-
sories pulley bolts.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit the crankshaft accessories pulley using a new
bolt.
aTorque tighten the crankshaft accessories pulley
bolt (40 N.m + 75˚ ±± ± ±
6).
aRemove the large flat screwdriver from the opening
in the gearbox.
aRemove the immobilising tool (Mot. 582-01).
aRefit the flywheel protector.
III - FINAL OPERATION
aRefit:
-the accessories belt (see 11A, Top and front of
engine, Accessories belt: Removal - Refitting,
page 11A-3) , D4F, and 780 or 782
122665
WARNING
Only use brushes with plastic or non-corrosive
metal (brass) bristles.
AIR CONDITIONING
STANDARD HEATING
D4F, and 780 or 782
D4F, and 772 – D7F
Page 139 of 652
11A-22
TOP AND FRONT OF ENGINE
Crankshaft accessories pulley: Removal - Refitting
D4F or D7F, and AIR CONDITIONING or STANDARD HEATING
11A
-the front right-hand wheel arch liner (see Front
wheel arch liner: Removal - Refitting) (55A, Ex-
terior protection),
-the front right-hand wheel (see Wheel: Removal -
Refitting) (35A, Wheels and tyres),
-the engine undertray.
Page 140 of 652

11A-23
TOP AND FRONT OF ENGINE
Crankshaft accessories pulley: Removal - Refitting
C44, and K9K
11A
PARTS AND CONSUMABLES FOR THE
REPAIR WORK
aParts always to be replaced:
-accessories belt,
-accessories belt auto tensioner,
-accessories belt auto tensioner bolt.
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift ( (see Vehicle:
Towing and lifting) ).aDisconnect the battery ( (see Battery: Removal -
Refitting) ).
aRemove:
-the front right-hand wheel ( (see Wheel: Removal
- Refitting) ),
-the front right-hand wheel arch liner ( (see Front
wheel arch liner: Removal - Refitting) ),
-the accessories belt (see 11A, Top and front of
engine, Accessories belt: Removal - Refitting,
page 11A-3) ,
-the accessories belt auto tensioner.
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove:
-the crankshaft position sensor (see 13B, Diesel in-
jection, Crankshaft position sensor: Removal -Refitting, page 13B-15) , Tightening torquesm
crankshaft accessories
pulley bolt80 Nm
19656
Page 141 of 652

11A-24
TOP AND FRONT OF ENGINE
Crankshaft accessories pulley: Removal - Refitting
C44, and K9K
11A
-the crankshaft accessories pulley bolt (1) , locking
the flywheel using a flat screwdriver at the point of
the crankshaft position sensor,
-the crankshaft accessories pulley (2) .
REFITTING
I - REFITTING PREPARATIONS OPERATION
aIf reusing the crankshaft accessories pulley, clean
the pulley V-grooves with a brush to eliminate any
deposits.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the crankshaft accessories pulley,
-the crankshaft accessories pulley bolt.
aTorque tighten the crankshaft accessories pulley
bolt (80 Nm), locking the flywheel using a flat screw-
driver at the point of the crankshaft position sensor.
aRefit the crankshaft position sensor (see 13B, Die-
sel injection, Crankshaft position sensor: Re-
moval - Refitting, page 13B-15) .
III - FINAL OPERATION.
aRefit:
-the new accessories belt auto tensioner,
-the accessories belt (see 11A, Top and front of
engine, Accessories belt: Removal - Refitting,
page 11A-3) .
aRefit:
-the front right-hand wheel arch liner ( (see Front
wheel arch liner: Removal - Refitting) ),
-the front right-hand wheel ( (see Wheel: Removal
- Refitting) ).
aConnect the battery ( (see Battery: Removal - Re-
fitting) ).
Page 142 of 652

11A-25
TOP AND FRONT OF ENGINE
Crankshaft accessories pulley: Removal - Refitting
K4M
11A
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).
aRemove:
-the front right-hand wheel (see Wheel: Removal -
Refitting) (35A, Wheels and tyres),
-the engine undertray,
-the front right-hand wheel arch liner (see Front
wheel arch liner: Removal - Refitting) (55A, Ex-
terior protection),
-the front bumper (see Front bumper: Removal -
Refitting) (55A, Exterior protection),
-the headlights (see Halogen headlight: Removal
- Refitting) (80B, Headlights),
-the bonnet catch (see Bonnet lock: Removal -
Refitting) (52A, Non-side opening element mecha-
nisms),
-the front upper cross member (see Front upper
cross member: Removal - Refitting) (42A, Upper
front structure),
-the accessories belt (see 11A, Top and front of
engine, Accessories belt: Removal - Refitting,
page 11A-3) .II - REMOVAL OPERATION
aRemove:
-the bolt (1) from the crankshaft accessories pulley
by locking the flywheel using a screwdriver,
-the crankshaft accessories pulley.
REFITTING
I - REFITTING PREPARATION OPERATION
aparts always to be replaced: Crankshaft acces-
sories pulley bolts. Tightening torquesm
crankshaft accessories
pulley bolts120 N.m + 95˚
±± ± ±
10˚
IMPORTANT
Wear cut-resistant gloves during the operation.
WARNING
Do not r un the engine without the accessories belt
to avoid damaging the crankshaft accessories pul-
ley.
133106
14487
Page 143 of 652

11A-26
TOP AND FRONT OF ENGINE
Crankshaft accessories pulley: Removal - Refitting
K4M
11A
aUse a brush to remove any deposits from the crank-
shaft accessories pulley V grooves.
II - REFITTING OPERATION
aRefit the crankshaft accessories pulley.
aTighten to torque and angle the crankshaft acces-
sories pulley bolts (120 N.m + 95˚ ±± ± ±
10˚) by locking
the engine flywheel using a flat-blade screwdriver.
III - FINAL OPERATION
aRefit:
-the accessories belt (see 11A, Top and front of
engine, Accessories belt: Removal - Refitting,
page 11A-3) .
-the front upper cross member (see Front upper
cross member: Removal - Refitting) (42A, Upper
front structure),
-the bonnet catch (see Bonnet lock: Removal -
Refitting) (52A, Non-side opening element mecha-
nisms),
-the headlights (see Halogen headlight: Removal
- Refitting) (80B, Headlights),
-the front bumper (see Front bumper: Removal -
Refitting) (55A, Exterior protection),
-the front right-hand wheel arch liner (see Front
wheel arch liner: Removal - Refitting) (55A, Ex-
terior protection),
-the engine undertray,
-the front right-hand wheel (see Wheel: Removal -
Refitting) (35A, Wheels and tyres).
aConnect the battery (see Battery: Removal - Refit-
ting) (80A, Battery).
Page 144 of 652

11A-27
TOP AND FRONT OF ENGINE
Timing belt: Removal - Refitting
D7F, and 800
11A
PARTS AND CONSUMABLES FOR THE
REPAIR WORK
aParts always to be replaced:
-the timing belt,
-the tensioning roller,
-the accessories pulley bolt.
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) .
aDisconnect the battery ( (see Battery: Removal -
Refitting) ).
aRemove:
-the front right-hand wheel arch liner (see) (see ) ,
-the front right-hand wheel ( (see Wheel: Removal
- Refitting) ),
-the accessories belt (see 11A, Top and front of
engine, Accessories belt: Removal - Refitting,
page 11A-3) ,-the accessories pulley (see 11A, Top and front of
engine, Crankshaft accessories pulley: Remov-
al - Refitting, page 11A-20) ,
-the rear suspended engine mounting (see 19D,
Engine mounting, Lower engine tie-bar: Re-
moval - Refitting, page 19D-18) .
aSet up the engine support tool (Mot. 1379) (1) .
aTighten the bolt (2) to pre-stress the engine stand.
aRemove the right-hand suspended engine mounting
(see 19D, Engine mounting, Right-hand sus-
pended engine mounting: Removal - Refitting,
page 19D-13) . Special tooling required
Mot. 1379Engine suppor t tool for cylin-
der head oper ations.
Mot. 1054TDC setting pin.
Mot. 1386Tool for pre-tensioning the
timing belt.
Mot. 1135-01Timing belt tensioner.
Mot. 1715Belt tension checking tool
(frequency indicator).
Mot. 1505Belt tension setting tool (fre-
quency meter)
Equipment required
torque wrench
Tightening torquesm
tensioning roller nut50 N.m
upper timing cover bolts33 N.m
10267
Page 145 of 652
11A-28
TOP AND FRONT OF ENGINE
Timing belt: Removal - Refitting
D7F, and 800
11A
aRemove the cap (3) from the upper timing cover.
aTurn the engine clockwise (timing end) until the
mark on the camshaft sprocket is aligned with the
mark on the upper timing cover.
aInsert the TDC setting pin (Mot. 1054) (4)
aRemove the ignition interference suppressor.
aDisconnect the fuel supply pipe.
aRemove the following covers:
-upper timing,
-middle timing,-lower timing.
II - REMOVAL OF PART CONCERNED
aMake a marking on the rocker cover (5) in line with
the camshaft sprocket mark
aUndo the tensioning roller nut (6) .
aRemove the timing belt.
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aLine up the marks on the timing belt with those on
the camshaft sprocket and crankshaft sprocket.
aRefit:
-the new timing belt,
-the new tensioning roller.
aTighten the tensioning roller.
aRemove the TDC setting rod (Mot. 1054).
107259
99795
1041