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Volkswagen Workshop Service and Repair Manuals

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Removing and installing parts of exhaust system, four-wheel drive > < Removing and installing parts of exhaust system, front-wheel drive

Golf Mk4

Assembly overview
Assembly overview
  Note
t  Components marked with * are checked by self-diagnosis: → Motronic injection and ignition system (5-cyl. engine); Rep. Gr.01
t  After working on the exhaust system ensure that the system is not under stress, and that there is sufficient clearance to the bodywork. If necessary, loosen double and single clamps and align silencer and exhaust pipe so that sufficient clearance is maintained to the bodywork and the support rings are evenly loaded.
t  Renew self-locking nuts.
   
1 - Gasket
q   Renew
2 - M8 - 25 Nm, M10 - 40 Nm
q   Renew
3 - Heat shield
4 - Bracket
5 - Lambda probe -G39-*, 50 Nm
q   Grease only the threads with “G 052 112 A3”; “G 052 112 A3” must not get into the slots on the probe body.
q   Remove and install with lambda probe open ring spanner set -3337-.
q   Checking lambda control: → Motronic injection and ignition system (5-cyl. engine); Rep. Gr.24
6 - 10 Nm
7 - Clip
8 - Catalytic converter
9 - Double clamp
q   Note installation position → Fig..
10 - 40 Nm
11 - Mounting
12 - Centre and rear silencer
q   Middle and rear silencers are installed as a single component during production. In cases of repair, the centre and rear silencer are supplied separately, with a double clamp for connecting.
q   Separating point: → Fig.
q   Aligning rear silencer free of stress → Fig.
13 - Mounting
q   With support ring.
14 - Tunnel bridge
15 - Mounting
q   Note installation position → Fig..
16 - Heat shield
q   For catalytic converter
17 - Front exhaust pipe with catalytic converter
18 - Gasket
q   Renew
19 - Exhaust manifold
q   Tighten securing nuts on flange to exhaust pipe in diagonal sequence

   
Separating point on exhaust pipe
–  Separate exhaust pipe at right angles at separating point -arrow 2-.
–  Position double clamp -4- (repair solution) between side markings -arrow 1- and -arrow 3- when installing. Specified torque: 40 Nm.
  A26-0130
Align rear silencer free of stress
–  Mounting pins on exhaust pipe must be parallel to tunnel bridge (dimension -x- equal on left and right).
  A26-0131
Installation position of double clamp
–  Position double clamp approx. 5 mm away from mark -A-.
  Note
Mark -A- is valid for vehicles with manual and automatic gearboxes.
  N26-0215
Installation position of mounting
–  Angled side on mounting base -arrow- faces forwards.
  A26-0128

Removing and installing parts of exhaust system, four-wheel drive > < Removing and installing parts of exhaust system, front-wheel drive