wsm L3301 - Page 182

ENGINE
L3301, L3901, L4701, WSM
1-S19
DPF Muffler
1. Disconnect connectors for differential pressure sensor (1) and
DPF temperature sensors (2), (3), (4).
2. Remove front exhaust pipe (14).
3. Remove exhaust pipe (15).
4. Remove flange mount bolts (10) and flange mount nut (11).
5. Remove bracket mount bolts (7) and remove DPF muffler
assembly (13).
6. Remove DPF bracket 1 (5) and DPF bracket 2 (6) from DPF
muffler assembly (13).
(When reassembling)
• Be sure to change gasket (17), (18) into new one.
• When mounting DPF muffler assembly (13), be sure to follow
procedure below.
1. Assemble front exhaust pipe (14) to front axle frame.
2. Tighten bracket 1 mount bolt (8) and bracket 2 mount bolt (12)
temporarily.
3. Tighten exhaust pipe mount bolt (9) splitting twice.
4. Tighten bracket mount bolt (7) temporarily.
5. Tighten Flange mount bolt (10) and Flange mount nut (11)
splitting twice.
6. Tighten exhaust pipe mount bolt 2 (16).
7. Tighten bracket mount bolt (7).
8. Tighten bracket 1 mount bolt (8) and bracket 2 mount bolt (12)
with specified torque.
9Y1211012ENS0015US0
Tightening torque
Exhaust pipe mount bolt
(1st)
23.6 to 27.5 N·m
2.4 to 2.8 kgf·m
18 to 20 lbf·ft
Exhaust pipe mount bolt
(2nd)
29.4 to 34.3 N·m
3.0 to 3.5 kgf·m
22 to 25 lbf·ft
Flange mount bolt and nut
(1st)
39.2 to 44.8 N·m
4.0 to 4.6 kgf·m
29 to 33 lbf·ft
Flange mount bolt and nut
(2nd)
49.0 to 55.9 N·m
5.0 to 5.7 kgf·m
37 to 41 lbf·ft
(1) Differential Pressure Sensor
(2) DPF Temperature Sensor (T0)
(3) DPF Temperature Sensor (T1)
(4) DPF Temperature Sensor (T2)
(5) DPF Bracket 1
(6) DPF Bracket 2
(7) Bracket Mount Bolt
(8) Bracket 1 Mount Bolt
(9) Exhaust Pipe Mount Bolt 1
(10) Flange Mount Bolt
(11) Flange Mount Nut
(12) Bracket 2 Mount Bolt
(13) DPF Muffler Assembly
(14) Front Exhaust Pipe
(15) Exhaust Pipe
(16) Exhaust Pipe Mount Bolt 2
(17) Gasket
(18) Gasket
KiSC issued 09, 2016 A