EXHAUST SYSTEM REMOVAL/INSTALLATION [WL-C, WE-C]

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Warning
•  When the engine and exhaust system are hot, they can cause severe burns or injury. Turn off the engine and wait until they are cool before removing the exhaust system.

1.  Disconnect the negative battery cable.

2.  Remove the engine cover.

3.  Remove the air cleaner. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [WL-C, WE-C].)

4.  Remove the EGR cooler. (See EGR VALVE REMOVAL/INSTALLATION [WL-C, WE-C].)

5.  Remove in the order indicated in the table.

6.  Install in the reverse order of removal.

7.  Start the engine and:

(1)  Inspect the exhaust gas leakage.
(2)  If any servicing around the turbocharger is performed, inspect around the turbocharger for oil or engine coolant leakage.

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1
Main silencer
2
Oxidation catalytic converter
3
Presilencer
4
Seal Ring
(See Seal Ring Removal Note.)
(See Seal Ring Installation Note.)
5
Front pipe
(See Front Pipe Installation Note.)
6
Middle pipe
7
Exhaust manifold insulator
8
Turbocharger insulator
9
Water pipe
(See Water Pipe Removal Note.)
(See Water Pipe Installation Note.)
10
Oil pipe
11
Oil hose (supply)
(See Oil Hose (Supply) Installation Note.)
12
Turbocharger
13
Joint pipe
14
Exhaust manifold


Seal Ring Removal Note

1.  Remove the seal ring using a flathead screwdriver being careful not to damage the pipe.

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Water Pipe Removal Note

1.  Drain the engine coolant before removing the water pipe. (See ENGINE COOLANT REPLACEMENT [WL-C, WE-C].)


Oil Hose (Supply) Installation Note

1.  Secure section A using a spanner.

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2.  Tighten the nut at B.

Tightening torque:
B, D: 14.7—20.6 N·m {150—210 kg·cm, 131—182 in·lbf}

3.  Hold section C using pliers.

4.  Tighten the nut at D.


Water Pipe Installation Note

1.  Refill the engine coolant after Installing the water pipe. (See ENGINE COOLANT REPLACEMENT [WL-C, WE-C].)


Front Pipe Installation Note

1.  Temporarily tighten the nuts A.

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Tightening torque:
A, B: 37—52 N·m {3.8—5.3 kg·m, 28—38 ft·lbf}
C: 19—25 N·m {2.0—2.5 kg·m, 15—18 ft·lbf}

2.  Temporarily tighten the bolts B and C.

3.  Completely tighten the nuts A.

4.  Completely tighten the bolts B and C.


Seal Ring Installation Note

Caution
•  If installation is performed without using the SST, the seal ring will be damaged and deformed, resulting in an incorrect installation. Always use the SST to install the seal ring.

1.  Temporarily install the seal ring to the pipe so that the seal ring is even with the flange.

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2.  Install the SST to the seal ring so that the SST is even with the flange.

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3.  Press in the seal ring by tapping the SST using a plastic hammer until the seal ring contacts the flange.

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