r1.5 Compression Pressure, Checking

Golf 2015 ➤ , Golf Variant 2015 ➤ Engine Mechanical, Fuel Injection and Ignition - Edition 04.2015

Checking Cylinder Head for Distortion – Check the cylinder head at several locations for distortion us‐ing a Straight Edge - 500mm - VAS6075- and a feeler gauge. ♦ Maximum permissible distortion: 0.05 mm Protected by copyriht . Copying fo pivate or commerci al pur po s e s , i n p a r t r o r in w ho le, is not permitted unless authorised by Volkswagen AG. Volkswagen AG does notguarantee or accept any liabilit y wi th res pect t o t h e c o r r e c t n e ss o f in format ion in this document. Copyright by Volkswagen AG. 1.2 Overview - Camshaft Housing r 1 - Cylinder Head 2 - O-Ring ❑ Only installed on vehi‐cles with the engine co‐des CNTA, CXCA, CXCB ❑ Replace after removing ❑ Coat with engine oil 3 - Cam Adjustment Actuator ❑ Only installed on vehi‐cles with the engine co‐des CNTA, CXCA, CXCB g 4 - Bolt ❑ 5 Nm ❑ Only installed on vehi‐cles with the engine co‐des CNTA, CXCA, CXCB

5 - Ball Pin ❑ 9 Nm ❑ For engine cover 6 - O-Ring ❑ Replace after removing ❑ Coat with engine oil 7 - Plug 8 - O-Ring ❑ Replace after removing ❑ Coat with engine oil 9 - Camshaft Position Sensor 3 - G300❑ Overview. Refer to ⇒ “1.1 Overview - Ignition System”, page 356 . 10 - Bolt ❑ Tightening specification. Refer to ⇒ “1.1 Overview - Ignition System”, page 356 . 11 - Oil Separator ❑ Removing and installing. Refer to ⇒ “3.2 Oil Separator, Removing and Installing”, page 196 .

Protected by copyright . Copying fo pivate or commerci al pur po s e s , i n p a r t r o r in w ho le, is not permitted unless authorised by Volkswagen AG. Volkswagen AG does notguarantee or accept any liabilit y wi th res pect t o t h e c o r r e c t n e ss o f in format ion in this document. Copyright by Volkswagen AG. r 12 - Bolt ❑ Tightening specification and sequence. Refer to ⇒ Fig. ““Vacuum Pump - Tightening Specifications”“ , page 94 . 13 - Seal ❑ Replace after removing 14 - Vacuum Pump ❑ Removing and installing. Refer to ⇒ “1.4 Vacuum Pump, Removing and Installing”, page 100 . 15 - Bolt ❑ Tightening specification. Refer to ⇒ Fig. ““Vacuum Pump - Tightening Specifications”“ , page 94 . 16 - Seal ❑ Replace after removing 17 - O-Ring ❑ Replace after removing ❑ Coat with engine oil 18 - Camshaft Position Sensor - G40❑ Overview. Refer to ⇒ “1.1 Overview - Ignition System”, page 356 . 19 - Bolt ❑ Tightening specification. Refer to ⇒ “1.1 Overview - Ignition System”, page 356 . 20 - Bolt Golf 2015 ➤ , Golf Variant 2015 ➤ Engine Mechanical, Fuel Injection and Ignition - Edition 04.2015 ❑ 9 Nm

21 - Bracket ❑ For EVAP Canister Purge Regulator Valve 1 - N80-

Vacuum Pump - Tightening Specifications Tighten with a new bolts as follows:

Step Bolts Tightening Specification/Additional Turn

1. -1- through -32. -1- through -33. -1- through -3-

Install hand-tight 8 Nm 180° additional turn

1.3 Cylinder Head, Removing and Installing

Special tools and workshop equipment required ♦ Engine Bung Set - VAS6122♦ Engine Support Bridge - 10-222ARemoving

Caution

This procedure contains mandatory replaceable parts. Refer to component overview prior to starting procedure.

Mandatory Replacement Parts ♦ Nuts - Turbocharger to Engine

♦ Seal - Turbocharger to Engine ♦ Bolts - Cylinder Head ♦ Gasket - Cylinder Head

Note Golf 2015 ➤ , Golf Variant 2015 ➤ Engine Mechanical, Fuel Injection and Ignition - Edition 04.2015

♦ Before installing the cylinder head the engine support and the engine mount are temporarily re-installed because the eyes from the engine support bridge are secure on the cylinder head.

♦ When installing, secure all cable ties back to the same posi‐tions. ♦ Close the open channels from the intake and exhaust tract with suitable plugs from the Engine Bung Set - VAS6122- .

– Remove the camshafts. Refer to Protectd by copyright . Copying for pivate or commerci al pur po e s , i n p a r t r o r in w ho le, is not permitted unless authorised by Volkswagen AG. Volkswagen AG does notguarantee or accept any liabilit y wi th res pect t o t h e c o r r e c t n e ss o f in format ion in this document. Copyright by Volkswagen AG. s ⇒ “4.2 Camshaft, Removing and Installing”, page 136 . – Reinstall the engine support and engine mount and tighten the bolts hand-tight. – Disengage the Engine Support Bridge - 10-222A- spindles. – Drain the coolant. Refer to ⇒ “1.3 Coolant, Draining and Filling”, page 217 . – Remove front exhaust pipe with catalytic converter. Refer to ⇒ “2.2 Catalytic Converter, Removing and Installing”, page 349 . – Remove the Oxygen Sensor 1 before Catalytic Converter GX10- . Refer to ⇒ “8.2 Oxygen Sensor 1 before Catalytic Converter GX10 , Removing and Installing”, page 333 . – Remove the left and right bolts -arrow-. – Unclip the air guide lower section -1- and remove. e– Loosen the hose clamp -2-, remove the air duct hose from the charge air cooler. – Seal the open lines and connections with clean plugs from the

Engine Bung Set - VAS6122- .