Fastener Tightening Specifications

WARNING: This page is about a different variant/trim than selected.

Component	Bolt Size	Nm
Bracket		9
Camshaft Adjustment Valve		2.5
Camshaft Position Sensor		9
Crankcase Ventilation Hose		2.5
E-Box Cover		3.5
Engine Speed (RPM) Sensor		9
Exhaust Camshaft Adjustment Valve		2.5
Fuel Pressure Sensor		20
Fuel Rail Retaining Bracket¹
Bolt		2.5
Bolt		9
Nut		9
Fuel Supply Hose for Low Pressure Side Threaded Connection		27
Intake Manifold Change-Over Actuator		2.5
High-Pressure Line		9
High Pressure Lines, Union Nut		27
High Pressure Pump
Tighten by Hand in a Diagonal Sequence and then Tighten to		5
Final Tightening Specification:		20
High Pressure Pump Housing		9
Intake Manifold Upper Section
Ball Pin		2.5
Bolt		8
Intake Air Temperature (IAT) Sensor / Manifold Absolute Pressure (MAP) Sensor		3
Low Fuel Pressure Sensor		15
Oxygen Sensor		55
Threaded Connection		40
Throttle Valve Control Module		6
¹ For bolt tightening clarification, refer to INTAKE MANIFOLD, LOWER SECTION, WITH FUEL RAIL OVERVIEW and see items -12 and 13-

High Pressure Line Protective Plate, Tightening Specifications

-- Tighten the bolts -arrows- on the protective plate -1-.

Fig 1: Nuts -Arrows- And The Protective Plate -1-

Courtesy of AUDI OF AMERICA, LLC

Tightening specifications: 9 Nm

High Pressure Line, Installing

-- First tighten the high pressure line union nut by hand.

-- Make sure the high pressure line does not have tension.

-- To tighten the high pressure line on the high pressure pump, use the torque wrench 5-50 Nm VAG 1331 with the ratchet, reversible VAG 1331/1 and socket 14 mm 3150.

Fig 2: Fastening High-Pressure Line (14 mm) At High Pressure Pump Use Torque Wrench VAG 1331 With Ratchet VAG 1331/1 And Socket 14 mm 3150

Courtesy of AUDI OF AMERICA, LLC

Tightening specification: union nut on the high pressure line, 25 Nm