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Checking secondary air system > < Function

Golf Mk4

Removing and installing parts of secondary air system
Removing and installing parts of secondary air system
  Note
t  Components marked with * are checked via the self-diagnosis → Rep. Gr.01.
t  Secondary air pump relay -J299- → Fig.
   
1 - Combination valve
2 - Exhaust gas recirculation valve -N18- with exhaust gas recirculation potentiometer -G212-
q   Exhaust gas recirculation system → Chapter.
3 - 25 Nm
4 - Secondary air pump relay -J299-
q   In protective housing for relays (engine compartment).
5 - Pipe union, 35 Nm
6 - 25 Nm
7 - Connecting pipe
8 - 25 Nm
9 - To connection on intake manifold
10 - O-ring
q   Renew.
11 - Pressure hose
q   Check for secure seating.
q   Press together at front to release.
12 - Intake hose
q   For secondary air pump.
13 - From air filter
14 - O-ring
q   Renew.
15 - Secondary air pump motor -V101-
q   Checking function → Chapter.
16 - Connector
q   2-pin.
17 - 10 Nm
18 - 25 Nm
19 - 15 Nm
20 - Bracket
q   For secondary air pump motor -V101-.
q   Secured to intake manifold.
21 - Intake manifold, lower part
22 - 10 Nm
23 - 10 Nm
24 - Connecting piece
q   With mounting for combination valve and exhaust gas recirculation valve -N18-.
25 - Gasket
q   Renew.

   
Secondary air pump relay -J299--arrow-
t  If tools are necessary to pull relays or control units out of the relay plate, first disconnect battery earth strap
t  Before disconnecting battery earth strap obtain code for radios with anti-theft coding.
  N26-0347

Checking secondary air system > < Function