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Exhaust system - Components overview, engine identification letters BLY and BVZ > < Parts of the exhaust system
Exhaust system - Components overview, engine identification letters BLR and BVY
   
Exhaust system - Components overview, engine identification letters BLR and BVY
1 - 25 Nm.
q   Replace
q   Lubricate studs of exhaust manifold with high-temperature lubricant; High-temperature lubricant → ETKA (Electronic parts catalogue)
2 - For Lambda probe after catalytic converter -G130-withHeater for lambda probe 1, after catalytic converter -Z29-
q   52 Nm.
q   Bank 1, Lambda probe 2
q   Connector colour: Black
q   The screw thread on the new lambda probe is coated with a special paste; the paste must not get into the slots on the probe body
q   If a lambda probe is reused, apply paste to the bolts when warm; the paste must not get into the slots on the probe body. Locking fluid for hot working bolts → Parts catalogue
q   Removing and installing → Chapter.
3 - Lambda probe 2 after catalytic converter -G131- with Lambda probe 2 heater after catalytic converter -Z30-.
q   52 Nm.
q   Engine BVY: Bank 2, Lambda probe 1
q   Engine BLR: Bank 2, Lambda probe 2
q   Connector colour: Brown colour
q   The screw thread on the new lambda probe is coated with a special paste; the paste must not get into the slots on the probe body
q   If a lambda probe is reused, apply paste to the bolts when warm; the paste must not get into the slots on the probe body. Locking fluid for hot working bolts → Parts catalogue
q   Removing and installing → Chapter.
4 - Primary exhaust pipe
q   With catalytic converter
q   Protect against knocks and impact
q   With vibration shock absorbing element
q   Do not bend vibration shock absorbing element more than 10° - otherwise it can be damaged
q   Removing and installing → Chapter.
q   Stress-free alignment of exhaust system → Chapter
5 - Lambda probe 3 after catalytic converter -G287- with Lambda probe 3 heater after catalytic converter -Z64-.
q   52 Nm.
q   Bank 1, Lambda probe 3
q   Connector colour: grey
q   The screw thread on the new lambda probe is coated with a special paste; the paste must not get into the slots on the probe body
q   If a lambda probe is reused, apply paste to the bolts when warm; the paste must not get into the slots on the probe body. Locking fluid for hot working bolts → Parts catalogue
q   Removing and installing → Chapter.
6 - Retainer
q   Replace if damaged
7 - 25 Nm.
8 - Retainer
q   Replace if damaged
9 - Secondary silencer
q   Listed by the factory with the centre silencer as one component, replace individually in the event of a repair
q   Cutting point → Chapter
q   Stress-free alignment of exhaust system → Chapter
10 - Holder
q   Replace if damaged
11 - 25 Nm.
12 - Double clamp, rear
q   For separate replacement of centre and rear silencers
q   Installation position → Chapter
q   Tighten bolted connections evenly.
13 - Middle silencer
q   in original equipment, replace unit individually with rear silencer in the event of a repair
q   Cutting point → Chapter
q   Stress-free alignment of exhaust system → Chapter
14 - Retainer
q   Replace if damaged
15 - 25 Nm.
16 - Double clamp, front
q   Align exhaust system so it is free of stress before tightening clamp → Chapter
q   Installation position → Fig.
q   Tighten bolted connections evenly.
17 - 25 Nm.
18 - Holder
19 - 25 Nm.
20 - Holder
q   Replace if damaged
21 - Seal
q   Replace

   

Exhaust system - Components overview, engine identification letters BLY and BVZ > < Parts of the exhaust system