Battery, Starter, Generator, Cruise Control (avant) Audi A4 B8

The following descriptions can be found in General Information .

1. Safety procedures and precautions
2. Lead-acid battery warnings and safety precautions

BATTERY, PREPARING FOR CHARGING

Procedure

Before the battery charger can be connected, the following preparations are necessary

Note. It is recommended that the battery is charged when installed and connected. This is the only way to ensure the charging current is incorporated into the capacity calculation for the battery monitoring control module -J367-.

Turn off ignition, turn off all electrical components and remove the ignition key.

Vehicles through 05.08

Scheme 78

Unclip the plenum chamber cover -2- and remove it.

Note. Ignore items -1 and 3- and the -arrow-.

Vehicles from 06.08

Scheme 79

Pull the handle cover -1- upward -arrow-.

Continuation for All Vehicles

Scheme 80

Release the retainer -arrow A- and open the cover -arrow B-.

Connect the battery charger red charging clamp "+" to the positive terminal clamp -1- and the black charging clamp "-" to the negative terminal clamp -2-.

Scheme 81

Connect the battery charger electrical system connector and turn the charger on. Refer to General Information .

Keep the rear lid open while charging.

BATTERY, PREPARING FOR SUPPORT MODE

Procedure

Vehicles through 05.08

Unclip the plenum chamber cover -2- and remove it.

Note. Ignore items -1 and 3- and the -arrow-.

Vehicles from 06.08

Pull the handle cover -1- upward -arrow-.

Continuation for All Vehicles

Release the retainer -arrow A- and open the cover -arrow B-.

Connect the battery charger red charging clamp "+" to the positive terminal clamp -1- and the black charging clamp "-" to the negative terminal clamp -2-.

Connect the battery charger electrical system connector and switch the charger on. Refer to General Information .

CONTACT CORROSION

Contact corrosion can occur if incorrect fasteners (bolts, nuts, washers, etc.) are used.

For this reason, only fasteners with a special surface coating are used.

In addition, rubber or plastic parts and adhesive consist of non-conductive materials.

If there are doubts as to whether parts are suitable or not, use new parts.

Note

1. We only recommend original replacement parts, they have been tested and are compatible with aluminum.
2. We recommend using Audi accessories.
3. Damage resulting from contact corrosion is not covered by warranty.

CRUISE CONTROL SYSTEM

The following description can be found in General Information .

1. Cruise control system, activating and deactivating

GENERATOR, SERVICING

The following descriptions can be found in General Information .

1. Bosch generator from 2007, assembly overview
2. Voltage regulator, Bosch generator from 2007, removing and installing
3. Carbon brushes, all Bosch generators from 2001, checking
4. Valeo generator from 2001, assembly overview
5. Voltage regulator, Valeo generator from 2007, removing and installing
6. Carbon brushes, Valeo generator from 2007, checking
7. Ribbed belt pulley without freewheel, removing and installing
8. Ribbed belt pulley with freewheel, removing and installing
9. Check the ribbed belt pulley with freewheel.

MAINTENANCE FREE BATTERY

The following descriptions can be found in General Information .

1. Battery with visual indicator
2. Battery with visual indicator, checking
3. Central venting system
4. Battery post/terminal
5. Visual check of the battery
6. Check the color display (battery electrolyte level), battery with visual indicator
7. Battery electrolyte level, checking

SAFETY PRECAUTIONS, START/STOP SYSTEM

BATTERY OVERVIEW

Observe the notes on contact corrosion, refer to CONTACT CORROSION .

Scheme 82

1. Subwoofer Equipment level Removing and installing, refer to «Removal and Installation»(/audi/a4/b8-2007-2012/remont/communication-devices/#communication-avant) .
2. Retaining Bracket
3. Battery In the luggage compartment in the spare tire wheel well. Removing and installing, refer to «BATTERY»(/audi/a4/b8-2007-2012/remont/charging-system/#battery-starter-generator-cruise-control-avant) .
4. Bolt
5. Nut 6 Nm
6. Fuse Panel A -SA- Disconnecting and connecting, refer to «BATTERY»(/audi/a4/b8-2007-2012/remont/charging-system/#battery-starter-generator-cruise-control-avant) Removing and installing, refer to «FUSE PANEL A, LUGGAGE COMPARTMENT»(/audi/a4/b8-2007-2012/remont/wiring-system-data-link-connectors-pwr-dist-grnd-dist/#wiring-avant__fuse-panel-a-luggage-compartment) .
7. Positive Terminal Cover
8. Bolt 18 Nm
9. Mount For the vehicle jack. Equipment level
10. Spare Tire Equipment level
11. Nut 4 Nm For the spare tire.
12. Retainer For the spare tire.
13. Bolt 18 Nm
14. Negative Terminal Cover
15. Nut 6 Nm
16. Ground Wire with Battery Monitoring Control Module -J367- Disconnecting and connecting, refer to «BATTERY, DISCONNECTING AND CONNECTING»(/audi/a4/b8-2007-2012/remont/charging-system/#battery-starter-generator-cruise-control-avant__battery-disconnecting-and-connecting) . Removing and installing, refer to «BATTERY MONITORING CONTROL MODULE -J367»(/audi/a4/b8-2007-2012/remont/charging-system/#battery-starter-generator-cruise-control-avant__battery-monitoring-control-module-j367) .
17. Bolt
18. Nut 20 Nm
19. Central Venting System Hose
20. Bolt 18 Nm

GENERATOR OVERVIEW

Observe the notes on contact corrosion, refer to CONTACT CORROSION .

Scheme 83

1. Bolts 23 Nm
2. Generator Removing and installing, refer to one of the following: 2.0L TFSI vehicles, refer to «GENERATOR»(/audi/a4/b8-2007-2012/remont/charging-system/#battery-starter-generator-cruise-control-avant__generator-for-engines-caeb-cpma) . 3.0L TFSI and 3.2L FSI vehicles, refer to «GENERATOR»(/audi/a4/b8-2007-2012/remont/charging-system/#battery-starter-generator-cruise-control-avant__generator-for-engines-ccba-cala-cgxc) .
3. Electrical Connector
4. Terminal 30/B+
5. Cap
6. Nut 16 Nm

STARTER OVERVIEW

Observe the notes on contact corrosion, refer to CONTACT CORROSION .

Scheme 84

1. Bolt Tightening specification, refer to one of the following With automatic transmission, refer to «Specifications»(/audi/a4/b8-2007-2012/remont/automatic-trans/#controls-housing-automatic-transmission-0b6-awd-avant) .
2. Spacer Sleeve May only be on the 2.0L TFSI engine.
3. Starter Removing and installing, refer to one of the following: 2.0L TFSI vehicles, refer to «STARTER»(/audi/a4/b8-2007-2012/remont/charging-system/#battery-starter-generator-cruise-control-avant__starter-for-engines-caeb-cpma) . 3.0L TFSI and 3.2L FSI vehicles, refer to «STARTER»(/audi/a4/b8-2007-2012/remont/charging-system/#battery-starter-generator-cruise-control-avant__starter-for-engines-ccba-cala-cgxc) .
4. Terminal B+
5. Nut 15 Nm
6. Electrical Connector
7. Bolt Tightening specification, refer to one of the following: With automatic transmission, refer to «SPECIFICATIONS»(/audi/a4/b8-2007-2012/remont/automatic-trans/#controls-housing-automatic-transmission-0b6-awd-avant) for 0B6 Transmission or «SPECIFICATIONS»(ref-512087-S20099822122012103000000) for 0BK Transmission. . With a continuously variable transmission, refer to .

Scheme 85

1. Voltage Stabilizer -J532- Removing and installing, refer to «VOLTAGE STABILIZER -J532»(/audi/a4/b8-2007-2012/remont/charging-system/#battery-starter-generator-cruise-control-avant__voltage-stabilizer-j532) .
2. Nut 3 Nm
3. Nut 3 Nm
4. Cover/Multimedia Control Head -E380
5. Start/Stop Mode Button -E693- Various installed locations Removing and installing, refer to «START/STOP MODE BUTTON»(/audi/a4/b8-2007-2012/remont/door-locks-anti-theft-systems/#interior-lights-switches-avant__startstop-mode-button) .
6. Nut 3 Nm
7. Bracket For the voltage stabilizer.
8. Electrical Connector

FASTENER TIGHTENING SPECIFICATIONS

BATTERY, TESTING

The following descriptions can be found in General Information .

1. Battery check using the vehicle diagnosis, testing and information system VAS 5051B, VAS 5052 and VAS 5053.
2. Measure the no load voltage - vehicles with a battery monitoring control module -J367- or energy management control module -J644

BATTERY, CHARGING

The following descriptions can be found in General Information .

1. Charge battery using the battery charger VAS 5095A, VAS 5900, VAS 5903 or VAS 5904.
2. Exhaustively discharged battery.
3. Battery support mode with battery charger VAS 5095A, VAS 5900, VAS 5903 or VAS 5904.

GENERATOR, CHECKING

Check the generator in "Guided Fault Finding" using the Vehicle Diagnostic Tester.

Select the function or path

Follow the instructions in the Vehicle Diagnosis Tester display.

BATTERY, DISCONNECTING AND CONNECTING

DISCONNECTING

Turn off the ignition and remove the ignition key.

Sedan

Scheme 86

Lift the luggage compartment floor cover by the handle and hang the handle on the rear lid seal.

Remove the nut -1- and the tool kit cover -2-.

Avant

Scheme 87

Remove the luggage compartment floor -2-.

Remove the nuts -1- and the spare tire -3-, if applicable.

Negative Terminal Cover - Version I

Scheme 88

Pull the cover -1- over the negative terminal up slightly -arrow-.

Loosen the nut several turns and remove the ground cable -2- from the battery terminal.

Negative Terminal Cover - Version II

Scheme 89

Open the cover -1- over the battery negative terminal.

Loosen the nut -3- several turns and remove the ground wire terminal clamp -2- from the battery terminal.

Scheme 90

1. Tightening specifications, refer to one of the following

BATTERY OVERVIEW .

Disconnect the connector -1- from the battery monitoring control module -J367- -1-.

Connect the ground wire terminal clamp "3" by hand to the battery negative terminal and tighten the nut.

Connect the electrical connector -1- to the battery monitoring control module -J367-.

When the battery is connected, the following steps must be performed

1. Activate the power window regulator one touch up/down function. Refer to the Owner's Manual.
2. Check DTC memories of all control modules and erase "Undervoltage" DTC if necessary using the Vehicle Diagnostic Tester.

Note. After connecting the power supply, the Anti-lock Brake System (ABS) warning lamp may only go out after the vehicle has been driven a few yards.

BATTERY MONITORING CONTROL MODULE -J367

Removing

Turn off the ignition and remove the ignition key.

Sedan

Lift the luggage compartment floor and engage it on the body.

Remove the nut -1- and the tool kit cover -2-.

Remove the tool kit mount.

Avant

Remove the luggage compartment floor -2-.

Remove the nuts -1- and the spare tire -3-, if applicable.

Remove the subwoofer, if applicable. Refer to Removal and Installation .

Negative Terminal Cover - Version I

Scheme 91

arrow-.

Loosen the nut several turns and remove the ground cable -1- from the battery terminal.

Disconnect the electrical connector -3-.

Remove the nut -6- and ground cable -5- with the battery monitoring control module -J367- -4-.

Negative Terminal Cover - Version II

Scheme 92

Open the cover -2- over the battery negative terminal.

Loosen the nut several turns and remove the ground cable -1- from the battery terminal.

Disconnect the electrical connector -3-.

Remove the nut -6- and ground cable -5- with the battery monitoring control module -4-.

Installing

1. Tightening specifications, refer to one of the following

Avant BATTERY OVERVIEW .

Install in reverse order of removal, observing the following

Connect the battery. Refer to BATTERY, DISCONNECTING AND CONNECTING .

Install the subwoofer, if applicable. Refer to Removal and Installation .

REMOVING

Turn off the ignition and remove the ignition key.

Sedan

Lift the luggage compartment floor and engage it on the body.

Remove the nut -1- and the tool kit cover -2-.

Avant

Remove the luggage compartment floor -2-.

Remove the nuts -1- and the spare tire -3-, if applicable.

Negative Terminal Cover - Version I

Scheme 93

Remove the tool kit mount -3-.

Remove the bolts -A arrows-.

Remove the retaining bracket -2- for the vehicle tool kit cover.

Release the retaining clips -B arrows- using a screwdriver and remove the ground terminal cap -1-.

Connect the battery charger for battery support mode. Refer to General Information .

Negative Terminal Cover - Version II

Scheme 94

Remove the subwoofer -1- if applicable. Refer to Removal and Installation .

Remove the tool kit mount -2-.

Remove the bolts -arrows-.

Remove the spare tire bracket -4-.

Connect the battery charger for battery support mode. Refer to General Information .

Continuation for All Vehicles

Scheme 95

Loosen the nut -4- a few turns and remove the ground cable terminal clamp from the battery terminal.

Open the cover -3- over the battery positive terminal.

Loosen the nut -2- several turns and remove the positive wire terminal clamp with fuse panel A -SA- from the battery terminal.

Disconnect the central venting system hose -5-.

Remove the bolt -6- on the battery mounting bracket -7-.

Remove the battery -1- from the battery mount.

Remove the battery from the luggage compartment.

INSTALLING

1. Tightening specifications, refer to one of the following

Sedan .

Avant BATTERY OVERVIEW .

Note. Only maintenance-free batteries conforming to standards "TL82506" (as of December 1997) and "VW75073" (as of August 2001) may be installed. Batteries from the Audi parts program have a bottom strip-adapter for adapting to different grip channels. For information on how to use the base strip adapter, if applicable, see the battery operating instructions.

Install the battery in the battery mount so the base strip engages in the battery mount retaining strips -arrow-.

Scheme 96

1. It should no longer be possible to move the battery.

Position the battery bracket -7-.

1. Lug at battery bracket must engage in recess at battery base strip.

Hand tighten battery bracket bolt -6-.

Connect central venting system hose -5- while observing notes in the General Information .

With the ignition and electrical components turned off, connect the battery -1- in the following sequence

Connect positive cable terminal clamp -2- by hand to battery positive terminal "+" and tighten nut.

Close the cover -3- over the battery positive terminal.

Note. Ignore item -4-.

Disconnect the connector -1- from the battery monitoring control module -J367- -1-.

Connect the ground wire terminal clamp "3" by hand to the battery negative terminal and tighten the nut.

Connect the electrical connector to the battery monitoring control module.

Check battery after installation for secure seating. Refer to General Information .

Negative Terminal Cover - Version I

Press the negative terminal cover -1- onto the battery.

Continuation for All Vehicles

Insert the bracket -2- and tighten the bolts -a arrows-.

After replacing, adapt the battery in the "Guided Fault Finding" or "Guided Functions" mode using the Vehicle Diagnostic Tester.

When the battery is connected, the following steps must be performed

1. Activate the power window regulator one touch up/down function. Refer to the Owner's Manual.
2. Check DTC memories of all control modules and erase "Undervoltage" DTC if necessary using the Vehicle Diagnostic Tester.

Note. After connecting the power supply, the Anti-lock Brake System (ABS) warning lamp may only go out after the vehicle has been driven a few yards.

BATTERY INTERRUPT IGNITER -N253

Replace the battery interrupt igniter if it is faulty or has deployed. Refer to Removal and Installation .

GENERATOR [FOR ENGINE(S) CAEB, CPMA]

Special tools and workshop equipment required

1. Locking Tool T40098

Removing

Scheme 97

With the ignition turned off, disconnect the battery. Refer to BATTERY, DISCONNECTING AND CONNECTING .

To release the ribbed belt, pivot the tensioner in the -direction of the arrow- and lock it using the T40098.

Remove the ribbed belt.

Remove the upper and lower bolts -arrows- and pivot the generator toward the front.

Scheme 98

Disconnect electrical connector -1-.

Scheme 99

Remove the terminal 30/B+ nut -item 2- and wire.

Remove the generator.

Installing

Scheme 100

1. Tightening specifications, refer to «GENERATOR OVERVIEW»(/audi/a4/b8-2007-2012/remont/charging-system/#battery-starter-generator-cruise-control-avant__generator-overview) .

Install in reverse order of removal, observing the following

Position the ribbed belt around the pulleys in the stated sequence.

1. Vibration damper
2. Coolant pump
3. Belt tensioner
4. Generator
5. Power steering pump
6. Air Conditioning (A/C) compressor

Note. When installing the ribbed belt, make sure it is seated correctly on the belt pulley.

Connect the battery. Required actions, refer to BATTERY, DISCONNECTING AND CONNECTING .

Start the engine and check the belt routing.

GENERATOR [FOR ENGINE(S) CCBA, CALA, CGXC]

Removing

Scheme 101

With the ignition turned off, disconnect the battery. Refer to BATTERY, DISCONNECTING AND CONNECTING .

Remove the front noise insulation by loosening the fasteners -1 and 2-.

Remove the bolt -1- and nut -3-.

Scheme 102

Remove the right lock carrier brace -2-.

Scheme 103

Pivot the tensioner in the -direction of the arrow- to release tension on the ribbed belt.

Remove the ribbed belt from the generator pulley.

Release the tensioner.

With an Automatic Transmission

Scheme 104

Note. Observe the safety precautions when working on the automatic transmission. Refer to General Information .

Remove the bolt -arrow- for the automatic transmission fluid lines.

Loosen the nut -1- on the electrical wiring bracket several turns.

Scheme 105

Note. Ignore item -2-.

Drain the coolant.

Scheme 106

Remove the coolant hose -2- from the radiator by raising the retaining clamps.

Note. Ignore item -1-.

Move the coolant hose up and to the side.

Continuation for All Vehicles

Scheme 107

Disconnect the electrical connector from the oil level thermal sensor -G266- and free up the wiring harness on the generator.

Remove the bolts -arrows- and remove the generator.

Disconnect the electrical connector -1-.

Remove the terminal 30/B+ nut -item 2- wire.

Installing

1. Tightening specifications, refer to «GENERATOR OVERVIEW»(/audi/a4/b8-2007-2012/remont/charging-system/#battery-starter-generator-cruise-control-avant__generator-overview) .

Install in reverse order of removal, observing the following

With a Automatic Transmission

Secure the automatic transmission lines. Refer to Specifications .

Fill the coolant system .

Continuation for All Vehicles

Scheme 108

Install the lock carrier right brace. Refer to Description and Operation .

Install the ribbed belt over the pulleys in the stated sequence.

1. Generator
2. Idler pulley
3. Coolant pump
4. Power steering pump
5. A/C compressor
6. Belt tensioner
7. Crankshaft

Note. When installing the ribbed belt, make sure it is seated correctly on the belt pulley.

Connect the battery. Required actions, refer to BATTERY, DISCONNECTING AND CONNECTING .

Start the engine and check the belt routing.

STARTER [FOR ENGINE(S) CAEB, CPMA]

Removing

With the ignition turned off, disconnect the battery. Refer to BATTERY, DISCONNECTING AND CONNECTING .

Remove the right engine mount. Refer to Removal and Installation .

Remove the nut -1- and free up the ground wire on the engine mount bracket.

Scheme 109

Remove the bolts -arrows- and the right engine mount bracket.

Remove the bolt -1- for the wiring bracket -2-.

Scheme 110

Disconnect the electrical connector -3- by sliding the retainer back and pressing the release down.

Scheme 111

Disconnect the electrical wire -2- from the starter.

Remove the bolts -1 and 4- and remove the starter.

Note. Item 1- can be reached from above.

Installing

Scheme 112

1. Tightening specifications, refer to «STARTER OVERVIEW»(/audi/a4/b8-2007-2012/remont/charging-system/#battery-starter-generator-cruise-control-avant__starter-overview) .

Install in reverse order of removal, observing the following

If the vehicle has an automatic transmission, make sure the seal -1- fits correctly inside the starter opening before installing the starter.

1. The seal -arrow- must cover the opening for the starter -2-.

Scheme 113

Install the engine mount bracket and the right engine mount. Refer to Removal and Installation .

Connect the battery. Required actions, refer to BATTERY, DISCONNECTING AND CONNECTING .

STARTER [FOR ENGINE(S) CCBA, CALA, CGXC]

Removing

Scheme 114

With the ignition turned off, disconnect the battery. Refer to BATTERY, DISCONNECTING AND CONNECTING .

Remove the noise insulation by loosening fasteners -1, 2, 3 and 4-.

Note. Ignore the -arrow-.

With a Manual/Continuously Variable Transmission

Remove the plenum chamber bulkhead. Refer to Description and Operation .

Remove the right front muffler. Refer to FRONT MUFFLER .

Remove the nuts -arrows- and bolt -1- and press the right catalytic converter to the right side.

Scheme 115

Note. For a better overview, the installed location is shown with the engine removed.

Continuation for All Vehicles

Scheme 116

Remove the right engine mount. Refer to REMOVAL AND INSTALLATION .

Remove the nut -1- and free up the ground wire on the engine support.

Remove the bolts -arrows- and the right engine support.

Disconnect the electrical connector -3- by sliding the retainer back and pressing the release down.

Disconnect electrical wire -2- from starter.

Remove the bolts -1 and 4- and remove the starter.

Note. Item 1- is reached from above.

Installing

1. Tightening specifications, refer to «STARTER OVERVIEW»(/audi/a4/b8-2007-2012/remont/charging-system/#battery-starter-generator-cruise-control-avant__starter-overview) .

Install in reverse order of removal, observing the following

If the vehicle has an automatic transmission, make sure the seal -1- fits correctly inside the starter opening before installing the starter.

1. The seal -arrow- must cover the opening for the starter -2-.

Install the engine mount bracket and right engine mount. Refer to REMOVAL AND INSTALLATION .

With a Manual/Continuously Variable Transmission

Install the right catalytic converter. Refer to RIGHT CATALYTIC CONVERTER, MANUAL OR MULTITRONIC TRANSMISSION .

Note. The exhaust manifold must be removed in order to replace the exhaust manifold gasket. Refer to RIGHT EXHAUST MANIFOLD .

Install the right front muffler. Refer to FRONT MUFFLER .

Install the plenum chamber bulkhead. Refer to Description and Operation .

Continuation for All Vehicles

Connect the battery. Required actions, refer to BATTERY, DISCONNECTING AND CONNECTING .

VOLTAGE STABILIZER -J532

Removing

Turn off the ignition and remove the ignition key.

Sedan

Lift the luggage compartment floor and engage it on the body.

Remove the nut, if equipped, and remove the spare tire.

Remove the subwoofer, if applicable. Refer to Removal and Installation .

Avant

Remove the spare tire wheel well trim. Refer to LUGGAGE COMPARTMENT TRIM .

Continuation for All Vehicles

Scheme 117

Disconnect the electrical connector -2-.

Release the tabs -3- and -4- and remove the voltage stabilizer -1- from its mount -arrow A-.

Installing

Install in reverse order of removal, observing the following

Install the subwoofer, if applicable. Refer to Removal and Installation .

Install the spare tire wheel well trim. Refer to Removal and Installation .

SPECIAL TOOLS

Special tools and workshop equipment required

Scheme 118

1. Locking Tool T40098

See also:
• General Information
• Removal and Installation
• FUSE PANEL A, LUGGAGE COMPARTMENT
• Specifications
• START/STOP MODE BUTTON
• General Safety Precautions
• Removal and Installation
• Description and Operation
• Removal and Installation
• LUGGAGE COMPARTMENT TRIM
• CONTACT CORROSION
• BATTERY
• BATTERY, DISCONNECTING AND CONNECTING
• BATTERY MONITORING CONTROL MODULE -J367
• GENERATOR
• GENERATOR
• STARTER
• STARTER
• VOLTAGE STABILIZER -J532
• BATTERY OVERVIEW
• GENERATOR OVERVIEW
• STARTER OVERVIEW