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Simos injection and ignition system (4-cylinder) > < Removing and installing combination valve for secondary air system

A3 Mk1

4-Cylinder engine (5-valve), Mechanics
Secondary air system - vehicles with engine code letters APG
Removing and installing secondary air pump

Removing
 
A02-0063
  • ‒ → Remove noise insulation centre panel -arrows-.
 
A10-0464
  • ‒ → Disconnect hoses and connector from secondary air pump; remove nuts -arrows-.
  • ‒ Swing secondary air pump out slightly to side.
 
A26-0603
  • ‒ → Unscrew bolts -arrows- on bracket for secondary air pump.

Note:

For illustration purposes the bracket is shown with the secondary air pump removed.

  • ‒ Remove secondary air pump and bracket.

Installing

Installation is performed in the reverse order.

Tightening torques

Component

Nm

Bracket for secondary air pump to cylinder block


25

Secondary air pump to bracket

10

Simos injection and ignition system (4-cylinder) > < Removing and installing combination valve for secondary air system