5.4 Low Fuel Pressure Sensor G410 , Removing and Installing

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

Removing – Open the retainer in direction of -arrow- and remove the cover -2-.

– Remove the engine cover. Refer to ⇒ “3.1 Engine Cover, Removing and Installing”, page 38 . – Remove the bolts -1 and 3-.

– Free up the coolant hose -2-. – Open the retaining tabs in direction of -arrows-, remove the upper air duct -1-.

– Remove the left and right bolts -arrow-. – Unclip and remove the lower section -1- of the air duct. – Remove the noise insulation. Refer to ⇒ Body Exterior; Rep. e Gr. 66 ; Noise Insulation; Overview - Noise Insulation .

Note

Protected by copyright . Co ying for pivate or commerci al pur po s 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. Ignore item -1-. p – Loosen the hose clamp -2-, remove the air duct hose from the charge air cooler.

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

– Free up the coolant hose -3-. – Remove the connector -1- from the Charge Air Pressure Sen‐sor - G31- .

– Remove the bolts -arrows-.

– Loosen air guide hose clamp -2- and remove the air duct hose from the Throttle Valve Control Module - GX3- .

– Remove the air duct hose downward.

– Disconnect the connector -1- from the Throttle Valve Control

Module - GX3- .

– Remove the Throttle Valve Control Module - GX3- bolts -arrows- from below and remove Throttle Valve Control Mod‐ule - GX3- .

Installing – Install in reverse order of removal.

– Clean the sealing ring surface. – Replace the seal. Tightening Specifications ♦ Refer to ⇒ “4.1 Overview - Intake Manifold”, page 296 . – After replacing the Throttle Valve Control Module , it must be adapted to the Engine Control Module - J623- . Use a Vehicle

Diagnostic Tester to do so. u

Protected by copyright . Copying for piva e or comm rci al p r 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. e4.6 Throttle Valve Control Module, Cleaning t Special tools and workshop equipment required ♦ Acetone, commercially available ♦ Brush Note ♦ If a new Engine Control Module - J623- is installed, then it must be adapted to the throttle valve control module. ♦ Dirt and coking on the end stop can produce incorrect adap‐tation values. ♦ The throttle valve connections must not be damaged when cleaning.

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

– Remove the Throttle Valve Control Module - GX3- . Refer to ⇒ “4.5 Throttle Valve Control Module GX3 , Removing and

Installing”, page 309 . – Open the throttle valve by hand and hold it in this position using a plastic or wood wedge -arrow-.

CAUTION

Risk of injury from acetone. Acetone is highly flammable and can cause eye and skin irritation. – Wear protective eyewear. – Wear safety gloves.

– Clean the throttle valve connection thoroughly with acetone and a brush especially in the area near -arrows- the closed throttle valve.

– Wipe the throttle valve connections with a lint-free cloth. – Let the acetone dry completely. Protected by copyright . Copying for 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. – Install the Throttle Valve Control Module - GX3- . Refer to ⇒ “4.5 Throttle Valve Control Module GX3 , Removing and Installing”, page 309 . – Erase the adaptation values and then adapt the Engine Con‐trol Module - J623- to the Throttle Valve Control Module . Use a Vehicle Diagnostic Tester to do so.