1.4 TSI engine (EA111) · Turbocharging/supercharging · Compressor

Removing and installing supercharger

Special tools and workshop equipment required

  • Pliers for spring-type clips - VAS 5024A-
  • Torque wrench (5 to 50 Nm) - V.A.G 1331-
  • Guide pin - T10341-
  • Locking pin - T10060 A-

Removing

  • Lift engine cover panel at points -1- and pull it forwards in direction of -arrow-.
  • Detach spring-type clip from intake hose -arrow-.
  • Separate fuel supply line -1- and line to activated charcoal filter -2-. Press release tabs to do this.
  • Pull off hose -1- from pressure pipe.
  • Unscrew securing bolts -2- from pressure pipe and remove pressure pipe.
  • Unscrew hose clip -1- on charge air pipe.
  • Open hose clip -2- and pull out hose.
  • Unscrew securing bolt for charge air pipe -3-.
  • Remove bracket -4-.
  • To do so, remove bolts -arrows-.
  • Remove bracket -1-.
  • Unscrew bolts -arrows- and remove charge pressure sender - G31- -1-.
  • Remove front right wheel housing liner ⇒ General body repairs; Rep. gr. 66; Wheel housing liner; Removing and installing front wheel housing liner.

Remove poly V-belt (Golf Plus, Eos, Scirocco, Golf, Golf Cabriolet, Touran, Polo, Sharan, Passat, Passat CC) ⇒ 1.3 Removing and installing poly V-belt (Golf Plus, Eos, Scirocco, Golf, Touran, Polo, Sharan, Passat, Passat CC, Golf Cabriolet)

  • Remove right drive shaft ⇒ Running gear, axles, steering; Rep. gr. 40; Repairing drive shafts; Removing and installing drive shafts.

Passat, Passat CC

  • Remove front exhaust pipe.

Golf Plus, Eos, Scirocco, Golf, Golf Cabriolet, Touran, Polo, Sharan

  • Remove Lambda probe after catalytic converter - G130- -1-.
  • Unbolt exhaust pipe from catalytic converter -arrows-.
  • Unbolt exhaust pipe to front silencer -arrows-.
  • Loosen securing bolts of clamp -arrows- and pull exhaust pipe to rear.
  • Also pull out exhaust pipe together with flexible joint.

Continued for all vehicles

  • Push securing clip at charge air cooler in direction of -arrowand pull hose -arrow- off.

Vehicles with condensate trap on charge air pipe

  • Clamp off coolant hoses -1- with hose clips up to 40 mm - 3093-.
  • Open clamps -arrows-.
  • Pull off coolant hoses -1- on charge air pipe -2-.

Continued for all vehicles

  • Remove securing bolt -arrow- for charge air pipe -1-.
  • Remove securing bolt -arrow- from charge air pipe -1-.
  • Opens clips for hose guides -2- and push hoses to one side.
  • Carefully press locking lugs on noise insulation housing -arrows- outwards.
  • Pull off front housing with noise insulation.
  • Remove charge air pipe downwards.
  • Release tension from supercharger poly V-belt by swinging tensioning element using open-end spanner, 16 mm - T10241-.
  • Lock tensioning element using locking pin - T10060 A-.
  • Unscrew securing bolts -arrows- for tensioning element and remove tensioning element.
  • Hold supercharger shaft with 16 mm spanner -1-.
  • Remove securing bolt -2- for pulley and remove pulley and supercharger poly V-belt -3-.
  • Unscrew securing bolts -1- for supercharger and remove supercharger together with intake noise insulation.

Removing noise insulation for charge air:

  • Pull noise insulation for charge air -2- together with pressure pipe in direction of -arrow-.

Installing

  • Push noise insulation for charge air -2- together with pressure pipe in direction of -arrow- into intake connecting pipe.
  • Press intake silencer for charge air -2- against crankcase to allow both dowel sleeves -3- to sit in holes.
  • Turn guide pins - T10341- hand-tight to stop in both lower threaded holes.
  • Renew oil seal -1- and ensure it is correctly seated in the groove.
  • Push supercharger together with intake silencer onto guide pins - T10341- and tighten upper securing bolts hand-tight.
  • Remove guide pins - T10341-.
  • Tighten lower securing bolts hand-tight.
  • Tighten securing bolts -1- evenly in diagonal sequence.

Specified torque: 25 Nm

  • Install supercharger belt pulley with poly V-belt positioned -3-.

Specified torque for new securing bolt -2-: 40 Nm + 1/4 turn (90°) further.

  • Hold supercharger shaft with 16 mm spanner -1-.
  • Install tensioner.
  • Tighten bolts -arrows- to 23 Nm.
  • Hold tensioning element using 16 mm open-end spanner - T10241- and pull out locking pin - T10060 A-.
  • Position housing with noise insulation onto supercharger.
  • Press housing together with noise insulation against supercharger until locking lugs -arrows- click into place.

Perform further installation in reverse order, paying attention to the following:

  • Renew seals, gaskets and self-locking nuts.
  • Hose connections and hoses for charge air system must be free of oil and grease before assembly.
  • Secure all hose connections with hose clips which conform to production standard.
  • Install exhaust system and align it free of stress.
  • When installing air pipes with plug-in connector, ensure that securing clip -arrow- audibly engages into retaining lug -A-.

Installing hose connections with plug-in connectors ⇒ 3.4 Fitting hose connections with plug-in connectors.

Specified torques:

Assembly overview - charge air system ⇒ 3 Charge air system

Assembly overview - catalytic converter and add-on parts ⇒ 26 – Exhaust system

  • Push engine cover panel down at points -1- in direction of -arrow- until it engages.
  • Fit vacuum hose onto connection -arrow-.

Vehicles with condensate trap on charge air pipe