Removal/Refitting Of Exhaust Pipe Assembly Components (Systems Equipped With D.p.f. Catalyst); Exhaust Silencer Removal - Iveco daily euro 4 Repair Manual

D E 4
AILY URO
REMOVAL/REFITTING OF EXHAUST PIPE ASSEMBLY COMPONENTS (SYSTEMS EQUIPPED
WITH D.P.F. CATALYST)
Figure 44

Exhaust silencer removal

Place the vehicle on a pit or auto lift.
Carry out the following operations by acting from under the
vehicle:
- unscrew nuts (2) securing silencer (3) supporting
bracket (1) to the vehicle chassis;
- unscrew and remove fastening screws (4) of flanges (5)
connecting exhaust silencer (3) and D.P.F. particulate
filter (8);
- remove exhaust silencer (3).
D.P.F. catalyst removal
- unscrew and remove the exhaust gas temperature
sensors at the catalyst inlet 16) and outlet (17);
- unscrew to disconnect couplings (6 and 12) securing
rigid pipes (7 and 11) running to the pressure sensor to
D.P.F. catalyst (8);
- properly secure D.P.F. catalyst (8) to the vehicle chassis;
- unscrew nuts (9) securing D.P.F. catalyst (8) filter
supporting bracket (10) to the vehicle chassis;
- unscrew and remove fastening screws (13) of flanges
(15) connecting D.P.F. catalyst (8) filter to the exhaust
gas outlet pipe from turbine (14);
- remove D.P.F. catalyst (8) filter.
Print 603.93.651
Refitting
Refitting is carried out by reversing the order of the
detachment operations. Moreover, the following
instructions shall be observed:
- check the conditions of the elastic dowels,
taking care to replace the defective ones (if any);
- replace the gaskets with new parts;
- tighten the nuts and screws to the specified
torque.
After the operation has been completed, and in the event
that either the D.P.F. catalyst or the differential sensor
(delta-p) needs replacing, follow the instructions given in the
respective chapters.
183
F1C ENGINE
105073
Base - March 2006