Contents: Removal ↡ Installation ↡
All exhaust system components can be replaced individually.
Attention! When assembling the system parts, make sure that they are firmly connected. Otherwise, when conducting a study of the composition of exhaust gases, you may get incorrect results.
Removal
1. Raise the car.
2. Moisten all bolts and nuts of the exhaust system with anti-corrosion lubricant. Leave the bolts and nuts under the influence of anti-corrosion lubricant for some time.
3. Unscrew the front exhaust pipe from the exhaust manifold (158/1) from below.
4. 6-cylinder engine: Remove the oxygen sensor.
5. Support the exhaust system with wooden blocks.
6. Unscrew the bolts (10/3) on the support (10).
7. Unscrew the nuts (10/2) on the threaded plate (10/1). Remove the threaded plate.
8. Unhook the rubber supports (7/1), (9/1), (9/2), (158/2) using a homemade hook.
9. Loosen the exhaust system assembly and remove it.
Installation
1. Before installing the exhaust system, check that the flange to the exhaust manifold is not warped; align the flange if necessary.
2. Check the rubber mounts for porosity or damage and replace them if necessary.
3. Install the assembled new exhaust system, slightly tighten the connecting flanges.
4. If you are reinstalling parts from the old exhaust system, use sandpaper to clean the joints from combustion residues and corrosion.
Attention! To make it easier to separate the exhaust system nuts and bolts later, we recommend lubricating them with a high-temperature paste, such as, "Liqui Moly LM-508-ASC".
5. Hang the exhaust system on rubber supports (cushions).
6. By rotating and shifting in the longitudinal direction, align the exhaust system so that there is sufficient clearance with the body everywhere and the rubber supports are evenly loaded.
7. Tighten the threaded plate to a torque of 20 Nm.
8. Tighten the bolts on the connecting flange to 20 Nm and on the front exhaust pipe to the manifold to 30 Nm.
9. 6-cylinder engine: Install the oxygen sensor.
10. Start the engine and check the exhaust system for leaks.
11. Lower the car.