audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Removing cylinder head > < Removing and installing cylinder head cover
4-cyl. Diesel Direct Injection Engine (TDI), Mech. Components
Removing and installing cylinder head
Removing and installing intake manifold
 
W00-1179

Special tools and workshop equipment required

  • ◆ VAS 5024 A

 
A10-1308

Removing

  • ‒ → Remove oil dipstick -1- from guide tube.
  • ‒ Unclip caps.
  • ‒ Unscrew nuts -arrows- and remove engine cover.
  • ‒ Reinsert oil dipstick in guide tube.
 
A13-0502
  • ‒ Detach the cover and the electrical connector at the right headlight unit.
  • ‒ → Disconnect fuel-feed line -2- and fuel-return line -1- at injection pump.
  • ‒ Disconnect the electrical connection -3- at the sender -G71/-G72.
  • ‒ Expose the wiring at the air duct pipe.
  • ‒ Remove the air duct pipe on right side -arrows-.

 
A15-0740
  • ‒ → Pull off the vacuum hoses -2- at the exhaust gas recirculation valve or at the Y-piece-4-, respectively.
  • ‒ Detach electrical connector for heating resistance (crankcase ventilation system) -N79 -Item 3-.
  • ‒ Disconnect hose -6- to air cleaner housing.
  • ‒ Pull crankcase vent pipe -7- off rear of air duct hose.
  • ‒ Loosen spring clip on exhaust turbocharger using VAS 5024.
  • ‒ Expose vacuum hoses at rear air duct pipe.
  • ‒ Unscrew bolts -1- and -5- and remove the air duct pipe -4-.
 
A15-0592
  • ‒ → Remove connection pipe for exhaust gas recirculation -arrows-.
 
A21-0190
  • ‒ → Remove heat shield from exhaust manifold -arrows-.

 
A15-0741
  • ‒ → Remove intake manifold -arrows-.

Installing

Installation is carried out in the reverse order; note the following:

Notes:

  • ◆ Always replace seals, gaskets and self-locking nuts.
  • ◆ Note installation position of intake manifold seal.
  • ◆ Hose connections and hoses for charge air system must be free of oil and grease before assembly.

Tightening torques

Component

Nm

Intake manifold to cylinder head

22

Connection pipe for exhaust gas recirculation to

intake connection

22

exhaust manifold

22

Removing cylinder head > < Removing and installing cylinder head cover