| Parts of the exhaust system |
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| Vehicles with engine codes BLZ and BVZ comply with emission standard EU 2. On these vehicles some emissions-related components are not fitted, e.g. exhaust gas recirculation system, NOx sensor control unit -J583-, Lambda probe 2 -G108- and Lambda probe 2 after catalytic converter -G131-. This must also be considered during assembly work. |
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| Do not use sealants containing silicone. Particles of silicone drawn into the engine, will not be burnt in the engine and damage the Lambda probe. |
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| Renew seals, gaskets and self-locking nuts. |
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| After completing work on the exhaust system ensure that it is tension-free and remains at a sufficient distance from the bodywork. If necessary, loosen the clamping bracket and align the silencer with exhaust pipe so that there is always a sufficient clearance from the bodywork and is evenly distributed over the suspension elements. |
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| Exhaust system - Components overview, engine codes BLR and BVY → Chapter |
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| Exhaust system - Components overview, engine codes BLY and BVZ → Chapter |
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| Separating centre and rear silencers → Chapter |
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| Removing and installing main exhaust pipe with catalytic converter → Chapter |
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| Exhaust manifold with catalytic converter - Components overview, engine code BLR → Chapter |
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| Exhaust manifold - Components overview, engine code BVY → Chapter |
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| Exhaust manifold - Components overview, engine codes BLY and BVZ → Chapter |
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| Exhaust manifold: removing and fitting → Chapter |
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| Stress-free alignment of exhaust system → Chapter |
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| Installation position and tightening torque of the double clamp → Chapter |
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| Exhaust gas recirculation - Components overview, engine identification letters BLR and BVY → Chapter |
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| Removing and fitting exhaust gas recirculation valve -N18- and exhaust gas recirculation potentiometer -G212- → Chapter |
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| Renew seals, gaskets and self-locking nuts. |
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| After completing work on the exhaust system ensure that it is tension-free and remains at a sufficient distance from the bodywork. If necessary, loosen clamp and align silencers and exhaust pipe so that sufficient clearance is maintained to the bodywork at all points and the mountings are evenly loaded. |
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