Removal and installation the exhaust manifold
Attention:
- When performing work, use cut-resistant protective gloves.
- Provide a suitable drip tray to collect any liquids and take steps to protect surrounding components from any spilled liquids.
Removal the exhaust manifold
1. Place the vehicle on a two-post lift.
2. Disconnect the negative battery terminal.
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3. Remove the air filter unit (see above in this chapter).
4. Loosen the mounting bolts and remove the engine protective pan.
5. Loosen the bolts (1) of the catalytic converter and remove the terminal clamp.
6. Disconnect the oil vapor ventilation pipe (2).
7. Disconnect the brake booster vacuum line (3).
8. Put the disconnected tubes aside.
9. Disconnect the oxygen sensor wires from the cylinder head.
10. Disconnect the oxygen sensor connector (4).
11. Loosen the bolts (5) and remove the heat shield.
12. Unscrew the fastening nuts (6) and remove the exhaust manifold with gaskets.
Installing the exhaust manifold
Note: Be sure to replace the new gasket and exhaust manifold terminal clamp.
1. Using fine-grained sandpaper, clean the contact surfaces on the cylinder head and exhaust manifold (if it is reused).
2. Using a cleaning agent, clean and degrease the contact surfaces on the cylinder head and exhaust manifold (if it is reused).
3. First, tighten the exhaust manifold mounting nuts in the sequence shown in the figure to a torque of 10 Nm.
4. Tighten the exhaust manifold mounting nuts in the sequence shown in the figure to a torque of 25 N·m.
5. Further installation is carried out in the reverse order of removal
6. Check the exhaust system for leaks.
7. Make sure that the exhaust pipe does not touch the bottom of the vehicle.