Page 25 of 2492
VALUES AND SETTINGS
Accessories belt tension
07
98706R
A Crankshaft
B Alternator
C Power assisted steering pump
D Air conditioning compressor
T Tensioner
→Tension check point
ALTERNATOR AND POWER ASSISTED STEERINGE7J / K7M
ENGINES
98707R
Tension
(US=SEEM unit)Multitoothed
air
conditioning
belt (1)Multitoothed
alternator belt
(2)Multitoothed
power assisted
steering belt
(3)
Fitting110 ± 7 84 ± 6 84 ± 6
Minimum
operating75 52 52
AIR CONDITIONING
07-8
Page 26 of 2492
VALUES AND SETTINGS
Accessories belt tension
07
98751R
AIR CONDITIONING ALTERNATOR AND POWER ASSISTED STEERING
F3R
ENGINE
98752R
A Crankshaft
B Alternator
C Power assisted steering pump
D Air conditioning compressor
E Water pump
T Tensioner
→Tension check point
Tension
(US=SEEM unit)Multitoothed
air
conditioning
belt (2)Multitoothed
power assisted
steering belt
(1)
Fitting109 ± 3 107 ± 3
Minimum
operating62 62
07-9
Page 27 of 2492
VALUES AND SETTINGS
Accessories belt tension
07
98751R
ALTERNATOR AND POWER ASSISTED STEERING F8Q ENGINE
Power assisted
steering
A Crankshaft
B Alternator
C Power assisted steering pump
E Water pump
T Tensioner
→Tension check point
Tension
(US=SEEM unit)Multitoothed power
assisted steering belt (1)
Fitting97 ± 3
Minimum operating67
07-10
Page 28 of 2492
VALUES AND SETTINGS
Accessories belt tension
07
98837-1R2
Remove :
- the lower timing cover,
- the belt.
SPECIAL NOTES FOR REMOVING THE
ACCESSORIES BELT
REMOVAL
Disconnect the battery.
Before removing the accessories belt, check the
value of the tension.
The tension measured must be between 61 and 77
SEEM units.
F8Q ENGINE
Air conditioning
98837R2
Slacken bolt (A) then bolt (B), until the shoulder is
exceeded, whilst holding the automatic tensio-
ning plate using a 9 mm socket (eg. : FACOM J
151 ratchet), then slacken the belt by moving the
ratchet in the direction of the arrow. Remove the mounting bolt for the diesel pipe re-
taining bracket and move it.
99706R
A Crankshaft
B Alternator
C Power assisted steering pump
D Air conditioning compressor
E Water pump
G Roller
T Tensioner
→Tension check point
07-11
Page 29 of 2492
VALUES AND SETTINGS
Accessories belt tension
07
REFITTING
Refitting is the reverse of removal.
The belt is tensioned by bringing the automatic
tensioner up against the bolt (B), without forcing
it, using a 9 mmsocket (eg. : FACOM J151 rat-
chet).
F8Q ENGINE
Air conditioning
98837-1R3
Check the tension of the accessories belt with the
previously listed values.
NOTE: never refit a belt which has been removed.
07-12
Page 30 of 2492
VALUES AND SETTINGS
Timing belt tension
07
98708R
E7J and K7M engine Tensioning process
Engine cold (ambient temperature).
Fit the new belt.
Position the sensor of Mot. 1273.
Turn the adjusting button of the sensor until it di-
sengages (three "CLICKS").
Tension the belt until the recommended fitting
value is displayed on Mot. 1273.
Lock the tensioner, check it and adjust the value.
Turn the crankshaft over three times .
Check that the tension value is within the fitting
tension tolerance (± 10%), otherwise readjust it.
NOTE :
Never refit a belt which has been removed.
Replace the belt if the tension is below the mini-
mum operating tension.Belt tension (in SEEM units)
Fitting: 30 S.U
Minimum operating : 26 S.U.
07-13
Page 31 of 2492
VALUES AND SETTINGS
Timing belt tension
07
F3R engine
96528R1
Belt tension (n SEEM units)
Fitting: 29 S.U.
Minimum operating : 27 S.U.F8Q engine
99175R
Belt tension (in SEEM units)
Fitting: 38 S.U.
Minimum operating: 36 S.U.
07-14
Page 32 of 2492

VALUES AND SETTINGS
Tightening the cylinder head
07
METHOD FOR TIGHTENING THE CYLINDER HEAD
Using engine oil, lubricate the threads and under
the heads of the bolts.
REMINDER: to ensure that the bolts are correctly
tightened, use a syringe to remove any oil which
may be in the cylinder head mounting holes.
Tighten the bolts in the order given below:
90 775
27610
18594
3
1st tightening to 2 daN.m.
2nd tightening (angle) : 97° ± 2°.
Wait at least 3 minutes.
Slacken bolts 1 and 2 then tighten to2 daN.m.
2nd tightening (angle) : 97° ± 2°.
Repeat the slackening and retightening opera-
tion for bolts 3, 4, 5, and 6 then 7, 8, 9 and 10.
There is no cylinder head retightening operation.
E ENGINE
METHOD FOR TIGHTENING THE CYLINDER HEAD
Using engine oil, lubricate the threads and under
the heads of the bolts.
REMINDER: to ensure that the bolts are correctly
tightened. Use a syringe to remove any oil which
may be in the cylinder head mounting holes.
Tighten the bolts in the order given below:
90 775
27610
18594
3
1st tightening to 2 daN.m.
2nd tightening (angle) : 100° ± 6°.
Wait at least 3 minutes.
Slacken bolts 1 and 2 then tighten to2 daN.m.
2nd tightening (angle) : 110° ± 6°.
Repeat the slackening and retightening opera-
tion for bolts 3, 4, 5, and 6 then 7, 8, 9 and 10.
There is no cylinder head retightening operation.
K ENGINE
07-15