Audi Q7 Owners & Service Manuals

Audi Q7: Ignition/Glow Plug System

Ignition System

Overview - Ignition System

Overview - Ignition System

1 - Bolt

  • 9 Nm

2 - Camshaft Position Sensor

  • Cylinder Bank 1 (Right)
  • Intake side: Camshaft Position Sensor -G40-
  • Exhaust side Camshaft Position Sensor 3 -G300-
  • Removing and installing. Refer to → Chapter "Camshaft Position Sensor, Removing and Installing".

3 - O-Ring

  • Replace after removing

4 - Knock Sensor

  • Cylinder bank 1 (right) Knock Sensor 1 -G61-
  • Cylinder bank 2 (left) Knock Sensor 2 -G66-
  • The contact surfaces between the knock sensor and cylinder block must be free of corrosion, dirt and grease.
  • Removing and installing. Refer to → Chapter "Knock Sensor, Removing and Installing".

5 - Bolt

  • 25 Nm

6 - Spark Plug

  • Remove and install with the Spark Plug Removal Tool -3122B-.
  • Tightening specification.
  • Replacement interval. Refer to Maintenance Tables.

7 - Ignition Coil with Power Output Stage

  • Ignition Coil 1 with Power Output Stage -N70-
  • Ignition Coil 2 with Power Output Stage -N127-
  • Ignition Coil 3 with Power Output Stage -N291-
  • Ignition Coil 4 with Power Output Stage -N292-
  • Ignition Coil 5 with Power Output Stage -N323-
  • Ignition Coil 6 with Power Output Stage -N324-
  • Removing and installing. Refer to → Chapter "Ignition Coils with Power Output Stages, Removing and Installing".

8 - Bolt

  • 5 Nm

9 - Wiring Harness

10 - Engine Speed Sensor -G28-

  • Removing and installing. Refer to → Chapter "Engine Speed Sensor -G28-, Removing and Installing".

11 - Bolt

  • 9 Nm

12 - O-Ring

  • Replace after removing

13 - Camshaft Position Sensor

  • Cylinder Bank 2 (Left)
  • Intake side Camshaft Position Sensor 2 -G163-
  • Exhaust side: Camshaft Position Sensor 4 -G301-
  • Removing and installing. Refer to → Chapter "Camshaft Position Sensor, Removing and Installing".

14 - Bolt

  • 9 Nm

Test Data and Spark Plugs

Test Data and Spark Plugs

Ignition Coils with Power Output Stages, Removing and Installing

Special tools and workshop equipment required

  • Puller - Ignition Coil -T40039-

Removing

- Remove the air filter upper section. Refer to → Chapter "Air Filter Housing, Removing and Installing".

Cylinder Bank 2 (Left):

- Remove the bolts -arrows- and remove the coolant expansion tank -4- upward from the bracket.

- Disconnect the connector -1-.

- Move the coolant reservoir to the side with the hoses -2 and 3- still attached.

A19-12226

Continuation for Both Sides:

- Remove the bolts -arrows- and disconnect the connectors on the ignition coils.

- Lay the wiring harness -1- slightly underneath.

A28-10119

  Note

The installation position for cylinder bank 2 (left) is shown in the illustration.

  Note

  • To remove the ignition coils, place the Puller - Ignition Coil -T40039- on topmost thick rib -arrow- of ignition coil with power output stage.
  • The lower ribs may be damaged if they are used.

N01-10794

- Remove the ignition coil in direction of -arrow-.

A28-0074

Installing

Install in reverse order of removal and note the following:

- Install the air filter upper section. Refer to → Chapter "Air Filter Housing, Removing and Installing".

Tightening Specifications

  • Refer to → Chapter "Overview - Ignition System"

Knock Sensor, Removing and Installing

Removing

Cylinder Bank 1 (Right):

- Remove the cylinder "2" FSI fuel injector. Refer to → Chapter "Fuel Injectors, Removing and Installing, FSI Fuel Injection".

- Remove the connector -arrow- from the bracket, disconnect it, and free up the wire.

A28-10153

Cylinder Bank 2 (Left):

- Remove the cylinder "5" FSI fuel injector. Refer to → Chapter "Fuel Injectors, Removing and Installing, FSI Fuel Injection".

- Remove the connector -arrow- from the bracket, disconnect it, and free up the wire.

A28-10120

Continuation for Both Sides:

- Remove the bolt -1- for Knock Sensor 1 -G61- or the bolt -2- for the Knock Sensor 2 -G66- and then remove the knock sensor.

A28-10122

Installing

Install in reverse order of removal and note the following:

- Install the FSI fuel injector. Refer to → Chapter "Fuel Injectors, Removing and Installing, FSI Fuel Injection".

Tightening Specifications

  • Refer to → Chapter "Overview - Ignition System"

Camshaft Position Sensor, Removing and Installing

Camshaft Position Sensor -G40-, Removing and Installing

  Caution

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

Mandatory Replacement Parts

  • O-ring - Camshaft position sensor

Removing

- Remove the engine cover. Refer to → Chapter "Engine Cover, Removing and Installing".

- Disconnect the connector -1- on cylinder bank 1.

- Remove the bolt -arrow- and the Camshaft Position Sensor -G40-.

A28-10004

Installing

Install in reverse order of removal and note the following:

  Note

Replace the O-ring after removing.

- Install the engine cover. Refer to → Chapter "Engine Cover, Removing and Installing".

Tightening Specifications

  • Refer to → Chapter "Overview - Ignition System"

Camshaft Position Sensor 2 -G163-, Removing and Installing

  Caution

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

Mandatory Replacement Parts

  • O-ring - Camshaft position sensor

Removing

- Remove the engine cover. Refer to → Chapter "Engine Cover, Removing and Installing".

- Disconnect the connector -1- on cylinder bank 2.

- Remove the bolt -arrow- and the Camshaft Position Sensor 2 -G163-.

A24-10292

Installing

Install in reverse order of removal and note the following:

  Note

Replace the O-ring after removing.

- Install the engine cover. Refer to → Chapter "Engine Cover, Removing and Installing".

Tightening Specifications

  • Refer to → Chapter "Overview - Ignition System"

Camshaft Position Sensor 3 -G300-, Removing and Installing

  Caution

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

Mandatory Replacement Parts

  • O-ring - Camshaft position sensor

Removing

- Loosen the hose clamps -1- and remove the air duct pipe -2-.

  Note

Ignore -3-.

A15-11842

- Disconnect the connectors -1- on the camshaft adjustment valves.

  Note

Ignore -2-.

A15-11358

- Remove the bolts -arrows- and disconnect the connectors on the ignition coils.

A28-10119

- Press the wiring harness upward slightly.

- Disconnect the connector -1-.

- Remove the bolt -2- and remove the camshaft position sensor.

A28-10044

  Note

The installation position for the Camshaft Position Sensor 4 -G301- on cylinder bank 2 (left) is shown.

Installing

Install in reverse order of removal and note the following:

  Note

  • Replace the O-ring after removing.
  • Secure all hose connections with hose clamps that match the ones used in series production. Refer to the Parts Catalog.

Tightening Specifications

  • Refer to → Chapter "Overview - Ignition System"
  • Refer to → Chapter "Overview - Charge Air Hose Connections"

Camshaft Position Sensor 4 -G301-, Removing and Installing

  Caution

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

Mandatory Replacement Parts

  • O-ring - Camshaft position sensor

Removing

- Remove the air filter upper section. Refer to → Chapter "Air Filter Housing, Removing and Installing".

- Disconnect the connector -1-.

- Remove the bolt -2- and remove the camshaft position sensor.

A28-10044

Installing

Install in reverse order of removal and note the following:

  Note

Replace the O-ring after removing.

- Install the air filter upper section. Refer to → Chapter "Air Filter Housing, Removing and Installing".

Tightening Specifications

  • Refer to → Chapter "Overview - Ignition System"

Engine Speed Sensor -G28-, Removing and Installing

Removing

- Remove the rear noise insulation. Refer to → Body Exterior; Rep. Gr.66; Noise Insulation; Noise Insulation, Removing and Installing.

- Disconnect the connector -2-.

- Remove the bolt -1- and the Engine Speed Sensor -G28-.

A28-10058

Installing

Install in reverse order of removal.

Tightening Specifications

  • Refer to → Chapter "Overview - Ignition System"
  • Refer to → Body Exterior; Rep. Gr.66; Noise Insulation; Overview - Noise Insulation.

Special Tools

Special tools and workshop equipment required

  • Puller - Ignition Coil -T40039-

W00-1303

Revision History

DRUCK NUMBER: A0Q5A020921

Revision History

Oil Gauge Tester T40178 Service Values

Engine Overview with Adjustment Values, Gauge - Oil Gauge Tester (T40178)

Audi Q7 - Model Code 4M

Gasoline Engines

Audi Q7 - Model Code 4M

Diesel Engines

Audi Q7 - Model Code 4M

Audi R8 - Model Code 4S

Gasoline Engines

Audi R8 - Model Code 4S

    READ NEXT:

     Heating, Ventilation & Air Conditioning

     General, Technical data

     General Information

    SEE MORE:

     A/C Compressor, Removing and Installing

    Information on the Mechanically Driven A/C Compressor   Note At the start of production, the A/C compressors manufactured by "Denso" (type "6 SEU 14") are installed. A/C compressors from other manufacturers or another type may also be installed at a later time. Refer to the Parts Catalog

     Personalization

    Users General information Applies to: vehicles with personalized user settings Depending on vehicle equipment and your country, your vehicle may be able to manage various users in the MMI. Each user will be assigned the settings that they last used. Before you begin driving, you can select a user i

    © 2019-2024 Copyright www.a-q7.com