75247
75502
75248
Figure 5
Figure 6
Figure 7
Set the vehicle on a lift or over a pit. From underneath the
vehicle, detach the middle soundproofing guard.
Loosen the screw (2) fixing the tightener (1) and remove the
belt (4) driving the air-conditioner compressor (3).
Assembly and adjusting belt tension
Mount the drive belt, taking care to position its ribs properly
in the respective races of the pulleys.
With the tool SP.2341 (2) inserted in the holes of the
tightener (1) and a torque wrench (3), turn the tightener (1)
with a torque of 8.2-10 Nm; in this condition, tighten the
screw (4) to a torque of 25 Nm.
Turn the engine in its direction of rotation to have the belt
(5) make two full turns.
Using tool 99395849, measure the tension of the belt (5) in
the section A, which must be 204
± 10 Hz, corresponding to
a load of 1010
± 10 N on the tightener.
Fit the middle soundproofing guard back on.
543910
Replacing air-conditioning
compressor drive belt
(version with belt tensioner)
Disassembly
Disassemble the compressor drive belt, if there is one, as
described under the relevant heading.
Slacken off the tension of the belt (1) using a specific wrench
on the automatic tightener (2) and remove the belt.
543910
Power
steering
pump-alternator
belt replacement
Disassembly
Assembly
Mount the drive belt (1) taking care to position its
ribs correctly in the respective races of the pulleys.
Release the automatic tightener (2). Turn the
crankshaft by one turn to settle the belt.
Mount the compressor drive belt, if there is one, and
adjust the tension as described under the relevant
heading.
Fit the middle soundproofing guard back on.
543910
Replacing air-conditioning
compressor drive belt
(version with elastic belt)
Disassembly
Figure 8
90155
Take elastic belt (3) off pulleys (1 and 4).
Assembly
Fit the flexible belt (3) equipped with tool 99360191
(2) on the pulley (4) and apply the tool on the pulley
(1).
Fit the drive ring (5) on the flexible belt (3) and fasten
the ring on the compressor support.
Turn the drive shaft clockwise until the belt fits
perfectly on the pulley (1).
F1A ENGINE
D
AILY
298
Base - May 2004