Tightening torques | |
Exhaust manifold studs | 8 Nm |
Nuts of hairpins of fastening of a final collector | 23 Nm |
Mounting bolt (6) strut on the cylinder block | 21 Nm |
stud nut (7) exhaust manifold brace | 21 Nm |
Exhaust manifold lower heat shield mounting bolts | 12 Nm |
Upstream oxygen sensor | 45 Nm |
Bolts of fastening of a flange of the final pipeline | 21 Nm |
Removing
Place the car on a two post lift.
Disconnect the battery.
Remove:
- intake silencer,
- air filter housing.
Remove the nuts (1) exhaust pipe flange.
![](https://www.renaultbook.ru/img/duster/0547.jpg)
Move the exhaust pipe back.
Disconnect connector (2) upstream oxygen sensor.
![](https://www.renaultbook.ru/img/duster/0548.jpg)
Remove:
- upstream oxygen sensor with tool (Mot. 1495-01).
- upper heat shield (3) exhaust manifold.
![](https://www.renaultbook.ru/img/duster/0549.jpg)
Remove brace (4) between the exhaust manifold and the cylinder block.
![](https://www.renaultbook.ru/img/duster/0550.jpg)
Remove:
- exhaust manifold nuts.
- an exhaust manifold.
On the workbench remove:
- bolts (5) mounting the lower exhaust manifold heat shield,
- lower exhaust manifold heat shield.
![](https://www.renaultbook.ru/img/duster/0551.jpg)
Installation
Parts that must be replaced:
- Exhaust manifold gasket.
- O-ring between exhaust manifold and catalytic converter.
Wipe with surface cleaner:
- exhaust manifold mating surface (in case of reuse),
- mating surface of the cylinder head.
Note: If the stud was loose when removed, apply a high strength threadlocker to the stud.
Install the exhaust manifold.
Torque tighten the exhaust manifold stud nuts in the order shown (23 Nm).
![](https://www.renaultbook.ru/img/duster/0552.jpg)
Torque tighten the exhaust manifold mounting studs (8 Nm).
Install a strut between the exhaust manifold and the cylinder block.
Torque tighten in the following order:
- fastening bolt (6) strut on the cylinder block (21),
- fastening stud nut (7) exhaust manifold brace (21).
Install the upper exhaust manifold heat shield.
Torque tighten the exhaust manifold lower heat shield mounting bolts (12 Nm).
![](https://www.renaultbook.ru/img/duster/0553.jpg)
Install the upstream oxygen sensor with the tool (Mot. 1495-01).
Torque tighten the upstream oxygen sensor (45 Nm).
Connect the upstream oxygen sensor connector.
Wrap bolts of fastening of a flange of the final pipeline.
Torque tighten the exhaust pipe flange mounting bolts (21 Nm).
Install:
- air filter housing,
- intake silencer.
Connect the battery.