3.2l - Exhaust System, Emission Controls - Engine Code(s): Calb Audi Q5 I

Scheme 38

1. Nut Replace Grease with hot bolt paste; Tightening specifications and sequence (Scheme 39), (Scheme 40)
2. Heat Shield Bracket
3. Exhaust Manifold Removing and installing, refer to «LEFT EXHAUST MANIFOLD»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb__left-exhaust-manifold), «RIGHT EXHAUST MANIFOLD»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb__right-exhaust-manifold)
4. Gasket Replace
5. Heat Shield
6. Bolt 10 Nm
7. Oxygen Sensor before Catalytic Converter Bank 1 (right) Heated Oxygen Sensor (HO2S) -G39-, bank 2 (left) Heated Oxygen Sensor (HO2S) 2 -G108- Removing and installing, refer to «Removal and Installation»(/audi/q5/i-2008-2012/remont/fuel-system/#32l-fuel-injection-system-engine-codes-calb)
8. Catalytic Converter Protect from shocks and impact stress Assembly overview, refer to «MUFFLER OVERVIEW»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb)
9. Nut 23 Nm Replace Grease with hot bolt paste
10. Gasket Replace

Scheme 39

Scheme 40

Scheme 41

1. Bolt 23 Nm
2. Suspended Mount Replace if damaged Check pretension, refer to «EXHAUST SYSTEM, INSTALLING»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb__exhaust-system-installing)
3. Center Muffler Original equipment as one unit with rear mufflers. For repairs, replace each separately. Separating point, refer to «CENTER MUFFLER AND REAR MUFFLER, SEPARATING»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb__center-muffler-and-rear-muffler-separating) Install exhaust system free of stress, refer to «EXHAUST SYSTEM, INSTALLING»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb__exhaust-system-installing)
4. Rear Muffler Original equipment as one unit with center muffler and tailpipe In case of repairs, center muffler end muffler and tailpipe should be replaced individually Separating point between center and rear muffler, refer to «CENTER MUFFLER AND REAR MUFFLER, SEPARATING»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb__center-muffler-and-rear-muffler-separating). Separating point between rear muffler and tailpipe, refer to «TAIL PIPE»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb__tail-pipe). Install exhaust system free of stress, refer to «EXHAUST SYSTEM, INSTALLING»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb__exhaust-system-installing)
5. Gasket Replace
6. Nut 23 Nm
7. Catalytic Converter Protect from shocks and impact stress Removing and installing, refer to «LEFT CATALYTIC CONVERTER»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb__left-catalytic-converter), «RIGHT CATALYTIC CONVERTER»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb__right-catalytic-converter) Individual components of suspension (Scheme 44)
8. Nut 23 Nm
9. Gasket Replace
10. Front Muffler With decoupling element; do not bend the decoupling element more than 10° or it may be damaged Removing and installing, refer to «FRONT MUFFLER»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb__front-muffler) Install exhaust system free of stress, refer to «EXHAUST SYSTEM, INSTALLING»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb__exhaust-system-installing)
11. Front Clamping Sleeve Installed position (Scheme 42)Before tightening, align exhaust system tension-free, refer to «EXHAUST SYSTEM, INSTALLING»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb__exhaust-system-installing) Tighten threaded connections evenly.
12. Nut 23 Nm
13. Bolt 23 Nm
14. Clamp
15. End Pipe Original equipment as one unit with rear muffler. For repairs, replace each separately. Separating point, refer to «TAIL PIPE»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb__tail-pipe) Aligning «END PIPES, ALIGNING»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb__end-pipes-aligning)
16. Suspended Mount Replace if damaged Check pretension, refer to «EXHAUST SYSTEM, INSTALLING»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb__exhaust-system-installing)
17. Nut 20 Nm Replace
18. Rear Clamping Sleeve For individual replacement of center and rear mufflers Installed position (Scheme 42)Before tightening, align exhaust system tension-free, refer to «EXHAUST SYSTEM, INSTALLING»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb__exhaust-system-installing) Tighten threaded connections evenly.
19. Nut 23 Nm
20. Nut 23 Nm Replace
21. Bolt 23 Nm
22. Suspended Mount Replace if damaged Check pretension, refer to «EXHAUST SYSTEM, INSTALLING»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb__exhaust-system-installing)

Scheme 42

Install double clamps so that the bolt ends do not project over lower edge of double clamp.

1. Installed position: Threaded connections point toward outside.

Scheme 43

Install double clamps so that the bolt ends do not project over lower edge of double clamp.

1. Installed position: Threaded connections point forward.

Scheme 44

1. Nut - 23 Nm
2. Spacer sleeve
3. Pressure spring
4. Washer
5. Bolt
6. Bolt - 23 Nm
7. Spacer sleeve
8. Adjusting buffer
9. Tab
10. Bolt - 23 Nm
11. Bracket

Note. The illustration shows the right mounting. The left is a mirror image of the right.

Scheme 45

1. Secondary Air Hose
2. O-rings Replace
3. Secondary Air Injection (AIR) Pump Motor -V101- Removing and installing, refer to «SECONDARY AIR INJECTION PUMP MOTOR»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb__secondary-air-injection-pump-motor) Attach the connector to the bracket Checking in "Guided Functions" using the vehicle diagnostic tester
4. Bonded Rubber Bushing
5. Bracket For AIR pump motor
6. Nut 9 Nm
7. Bolt 9 Nm
8. Gasket Replace
9. Bolts 9 Nm
10. Vacuum Hose
11. Right Secondary Air Injection (AIR) Combination Valve Checking, refer to «SECONDARY AIR COMBINATION VALVES, CHECKING FUNCTION AND LEAKAGE»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb__secondary-air-combination-valves-checking-function) Removing and installing, refer to «RIGHT SECONDARY AIR COMBINATION VALVE»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb__right-secondary-air-combination-valve)
12. Bolt 9 Nm
13. O-ring Replace
14. Secondary Air Injection (AIR) Sensor 1 -G609
15. Secondary Air Injection (AIR) Pipe
16. Bolt 9 Nm
17. Left Secondary Air Injection (AIR) Combination Valve Checking, refer to «SECONDARY AIR COMBINATION VALVES, CHECKING FUNCTION AND LEAKAGE»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb__secondary-air-combination-valves-checking-function) Removing and installing, refer to «LEFT SECONDARY AIR COMBINATION VALVE»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb__left-secondary-air-combination-valve)
18. Vacuum Hose
19. Bolts 9 Nm
20. Gasket Replace
21. Secondary Air Hose
22. O-rings Replace

Scheme 46

Tighten the heat shield bolts -arrows- to 9 Nm heat shield -1-.

FASTENER TIGHTENING SPECIFICATIONS

Catalytic Converter Mount Components - Vehicles with Automatic Transmission 0B6

1. Nut - 23 Nm
2. Spacer sleeve
3. Pressure spring
4. Washer
5. Bolt
6. Bolt - 23 Nm
7. Spacer sleeve
8. Adjusting buffer
9. Tab
10. Bolt - 23 Nm
11. Bracket

Note. The illustration shows the right mounting. The left is a mirror image of the right.

Left Exhaust Manifold, Tightening Specifications and Sequence

Right Exhaust Manifold, Tightening Specifications and Sequence

EXHAUST SYSTEM, CHECKING FOR LEAKS

Start the engine and let it run at idle.

Seal the exhaust pipes with cloths or plugs during the leak test.

Check for leaks by listening at connection areas at cylinder head and exhaust manifold, exhaust manifold and front exhaust pipe, etc.

Repair detected leaks.

SECONDARY AIR COMBINATION VALVES, CHECKING FUNCTION AND LEAKAGE

Special tools and workshop equipment required

1. Hand Vacuum Pump VAS 6213

Procedure

1. Vacuum lines and hose connections free of leaks.
2. Vacuum lines not plugged.

Remove the engine covers -arrows-.

Scheme 47

Remove the left and right vacuum hoses -1 and 2- on the combination valve being checked.

Scheme 48

Connect the VAS 6213 to the vacuum hose for the combination valve to be checked.

Remove the front secondary air hose -arrow- from its bracket and disconnect it; to do so press the release buttons.

Scheme 49

Blow into the Secondary Air Injection (AIR) hose using light pressure (do not use pressurized air).

1. The AIR combination valves must be closed. It must not be possible to blow through.

Operate hand vacuum pump.

1. The combination valve must open, it must be possible to blow through it.

If the AIR valve does not open, replace. Refer to LEFT SECONDARY AIR COMBINATION VALVE , RIGHT SECONDARY AIR COMBINATION VALVE .

Assembling

Assemble in reverse order of disassembling. Note the following

Note. The hose connections as well as the air guide pipes and hoses must be free of oil and grease before installing. Secure all hose connections with hose clamps of the same type as those equipped by the factory. In order to be able to securely mount the air guide hoses on their connectors, spray the screws on the previously used clamps with a rust remover.

Install the tower brace. Refer to Removal and Installation .

CENTER MUFFLER AND REAR MUFFLER, SEPARATING

1. A separating point has been provided in the connecting pipe for individual replacement of the center or rear muffler
2. The separating point is marked by a depression around the circumference of the exhaust pipe.

Special tools and workshop equipment required

1. Chain Pipe Cutter VAS 6254

Procedure

Separate the exhaust pipes at a right angle at the separating points -arrows- using the VAS 6254.

Scheme 50

When installing, position the clamping sleeves -arrows- on the center of the separating point.

Scheme 51

Install double clamps so that the bolt ends do not project over lower edge of double clamp.

1. Installed position: Threaded connections point forward.

Install exhaust system free of stress. Refer to EXHAUST SYSTEM, INSTALLING .

LEFT CATALYTIC CONVERTER

Special tools and workshop equipment required

1. Pry Lever - Rmv Outside Mirror 80 - 200

Removing

Remove the strut tower brace. Refer to Removal and Installation .

Scheme 52

Remove the Oxygen Sensor (O2S) 2 after catalytic converter -G131- -2-. Refer to Removal and Installation .

Scheme 53

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

Remove the left front muffler. Refer to FRONT MUFFLER .

Remove the left front wheel.

Remove the drive axle cover -1- in the left wheel housing.

Scheme 54

Remove the bolts -arrows- and remove the left drive axle heat shield.

Scheme 55

Remove the ball socket -1- on the selector lever cable from the selector shaft lever using the 80 - 200.

Scheme 56

Press the securing clips -2- off and remove the selector lever cable from the transmission.

Note. Do not bend or kink the selector lever cable.

Remove the nuts -arrows- and bolt -1- and remove the left catalytic converter from the exhaust manifold.

Scheme 57

Note. The installation location is shown with the engine removed.

Remove the bolts -arrows- and the bracket.

Scheme 58

Note. Ignore -2 and arrow-.

Remove the left catalytic converter.

Installing

1. Tightening specifications, refer to «MUFFLER OVERVIEW»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb), (Scheme 44).

Install in reverse order, paying attention to the following

Note. Replace the seals and self-locking nuts.

Install selector lever cable. Refer to Description and Operation or to Description and Operation .

Install the drive axle heat shield; (Scheme 59)

Scheme 59

Install the drive axle cover. Refer to Description and Operation .

Mount the front wheel. Refer to Removal and Installation .

Install the left front muffler. Refer to FRONT MUFFLER .

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

Install the O2S 2 after catalytic converter. Refer to Removal and Installation .

Install the tower brace. Refer to Removal and Installation .

RIGHT CATALYTIC CONVERTER

Removing

Remove the Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC) -G130- -2-. Refer to Removal and Installation .

Scheme 60

Remove the right front muffler. Refer to FRONT MUFFLER .

Remove the bolt -2-, press the retaining tab off the transmission and tilt it back -arrow-.

Scheme 61

Note. Ignore -1-.

Remove the nuts -arrows- and remove the right catalytic converter downward.

Scheme 62

Note. Ignore -1-.

Installing

1. Tightening specifications, refer to «MUFFLER OVERVIEW»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb) (Scheme 44).

Install in reverse order, paying attention to the following

Note. Replace the seals and self-locking nuts.

Install the right front muffler. Refer to FRONT MUFFLER .

Install the O2S after TWC. Refer to Removal and Installation .

FRONT MUFFLER

Removing

Remove the rear noise insulation -2-. Refer to Removal and Installation .

Scheme 63

Remove the left front muffler nuts -arrows-.

Scheme 64

Remove the right front muffler nuts -arrows-.

Scheme 65

Loosen the clamping sleeve -1 or 2-, slide it back and remove the corresponding front muffler.

Scheme 66

Installing

1. Tightening specification, refer to «MUFFLER OVERVIEW»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb) .

Install in reverse order, paying attention to the following

Note. Replace the seals and self-locking nuts.

Install exhaust system free of stress, refer to EXHAUST SYSTEM, INSTALLING .

Install the noise insulation. Refer to Removal and Installation .

TAIL PIPE

Special tools and workshop equipment required

1. Chain pipe cutter VAS 6254

Procedure

1. Tightening specification, refer to «MUFFLER OVERVIEW»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb) .

Separate end pipe -1- at separating point -C- using VAS 6254.

Scheme 67

Connect end pipe -3- up to marking -A- so that slot on end pipe lines up with marking -B-.

Tighten clamping sleeve nut -2-.

EXHAUST SYSTEM, INSTALLING

Procedure

1. Align exhaust system when cold.
2. Tightening specification, refer to «MUFFLER OVERVIEW»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb) .

Vehicles without Double Clamps Between Center and Rear Mufflers

Loosen the bolts on the front clamping sleeves.

Push the exhaust system far enough forward -arrow- until the pre-load on the retaining loops in front of the center muffler is -a- = 6 to 10 mm.

Scheme 68

Tighten the clamping sleeve threaded connections evenly.

Align tailpipes. Refer to END PIPES, ALIGNING .

Vehicles with Double Clamps Between Center and Rear Mufflers

Note. The center muffler also needs to be aligned on vehicles with clamping sleeves between the center and rear mufflers.

Loosen the bolts on the front and rear clamping sleeves.

Push the exhaust system far enough forward -arrow- until the preload on the retaining loops in front of the center muffler is -a- = 6 to 10 mm.

Tighten the front clamping sleeve threaded connections evenly.

Push rear section of exhaust system far enough forward -arrow- so that the pretension at rear retaining loops of rear mufflers is -a- = 11 to 15 mm.

Align rear muffler horizontally.

Tighten the rear clamping sleeve threaded connections evenly.

Align the tailpipes. Refer to END PIPES, ALIGNING .

END PIPES, ALIGNING

Procedure

1. Tightening specification, refer to «MUFFLER OVERVIEW»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb) .

Check distance of left and right tailpipes to bumper

Scheme 69

1. Dimension -x- left = dimension -x- right.

Correct dimension -x- as follows if necessary

Loosen the brace threaded connection -arrow- between the exhaust pipes.

Scheme 70

Adjust the distance of the rear mufflers to each other.

LEFT EXHAUST MANIFOLD

Removing

Remove the left catalytic converter. Refer to LEFT CATALYTIC CONVERTER

Remove the Heated Oxygen Sensor (HO2S) 2 -G108- -1-. Refer to Removal and Installation .

Remove the left engine mount. Refer to LEFT ENGINE MOUNT

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

Scheme 71

Remove the bolts -1 through 4- and remove the heat shield.

Scheme 72

Remove the nuts -1 and 8- and the heat shield bracket.

Scheme 73

Remove the nuts -2 through 7- and -9- and remove the exhaust manifold.

Installing

Install in reverse order, paying attention to the following

Note. Replace the seal and self-locking nuts.

Position the exhaust manifold with the catalytic converter seal and tighten the nuts. (Scheme 39)

Install the engine supports with the left engine mount. Refer to LEFT ENGINE MOUNT .

Install the HO2S 2. Refer to Removal and Installation .

Install the left catalytic converter. Refer to LEFT CATALYTIC CONVERTER .

RIGHT EXHAUST MANIFOLD

Removing

Remove the noise insulation -1 and 2-. Refer to Removal and Installation .

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

Remove the Heated Oxygen Sensor (HO2S) -G39- -1-. Refer to Removal and Installation .

Remove the right catalytic converter. Refer to RIGHT CATALYTIC CONVERTER

Remove the air filter housing. Refer to Removal and Installation .

Remove the right engine mount. Refer to RIGHT ENGINE MOUNT .

Remove the nut -1- and the bolt -2- and press the coolant pipe to the side.

Scheme 74

Note. Ignore -arrows-.

Remove the bolts -1 through 4- and remove the heat shield.

Scheme 75

Remove the nuts -7 and 9- and the heat shield bracket.

Scheme 76

Remove nuts -1 through 6- and -8- and the exhaust manifold.

Installing

Install in reverse order, paying attention to the following

Note. Replace the seals and self-locking nuts.

Position the exhaust manifold with the catalytic converter seal and tighten the nuts. (Scheme 40)

Install the right engine mount. Refer to RIGHT ENGINE MOUNT .

Install the air filter housing. Refer to Removal and Installation .

Install the right catalytic converter. Refer to RIGHT CATALYTIC CONVERTER

Install the HO2S. Refer to Removal and Installation .

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

Install the noise insulation. Refer to Removal and Installation .

SECONDARY AIR INJECTION PUMP MOTOR

Removing

Note. When installing, bring all cable ties back to same positions.

Remove the front noise insulation -1-. Refer to Removal and Installation .

Disconnect the electrical connector -3- on the Secondary Air Injection (AIR) pump motor -V101-.

Scheme 77

Disconnect the hoses -1 and 2- for the secondary air injection.

Note. The installation location is shown with the wheel housing lining removed.

Open the hook -arrow A- with a screwdriver -1-.

Scheme 78

Remove the air grille -2- from the bumper cover -arrow B-.

Remove the bolts -1 and 2- and remove the bumper cover noise insulation toward the rear.

Scheme 79

Remove the bolts -arrows- and remove the AIR pump.

Scheme 80

Note. The installation location is shown with the bumper cover removed.

Installing

1. Tightening specification, refer to «SECONDARY AIR INJECTION SYSTEM OVERVIEW»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb) .

Install in reverse order, paying attention to the following

Note. Replace the O-rings.

Install the bumper cover insulation. Refer to Description and Operation .

Install the noise insulation. Refer to Removal and Installation .

LEFT SECONDARY AIR COMBINATION VALVE

Removing

Note. When installing, bring all cable ties back to same positions.

Remove the left front muffler. Refer to FRONT MUFFLER .

Remove the strut tower brace. Refer to Removal and Installation .

Remove the electrical connector -arrow- for the Oxygen Sensor (O2S) 2 after catalytic converter -G131- from the bracket, disconnect it and lay it aside.

Scheme 81

Note. Ignore -2, 3, 4- and -arrows-.

Remove the nuts -arrows- and bolt -1- and remove the left catalytic converter from the exhaust manifold and move it to the back.

Remove the bolts -arrows- and the heat shield -1-.

Remove the bolts -3- for the secondary air hose.

Scheme 82

Remove the vacuum line -2- from the secondary air injection (AIR) combination valve.

Remove the bolts -1- and remove AIR combination valve.

Installing

1. Tightening specifications, refer to «SECONDARY AIR INJECTION SYSTEM OVERVIEW»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb), (Scheme 46).

Install in reverse order, paying attention to the following

Note. Replace the gasket.

Install the left catalytic converter. Refer to LEFT CATALYTIC CONVERTER .

Install the tower brace. Refer to Removal and Installation .

RIGHT SECONDARY AIR COMBINATION VALVE

Removing

Remove the right front muffler. Refer to FRONT MUFFLER .

Remove the strut tower brace. Refer to Removal and Installation .

Remove the vacuum hose -3- from the connection on the air guide pipe.

Scheme 83

Remove the air guide pipe by loosening the hose clamp -4- and opening the clips -arrows-.

Free up the fuel hose -1- and the Evaporative Emission (EVAP) canister hose -2- on the air duct pipe.

Remove the electrical connector -1- for the Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC) -G130- from the bracket and disconnect it.

Scheme 84

Note. Ignore -2, 3, 4- and -arrows-.

Remove the nuts -arrows- and bolt -1- and remove the right catalytic converter from the exhaust manifold and move it to the back.

Remove the bolts -arrows- and the heat shield -1-.

Scheme 85

Remove the vacuum line -2- from the Secondary Air Injection (AIR) combination valve.

Scheme 86

Remove the bolts -3-, remove the right secondary air combination valve and remove the bolts -1- for the secondary air hose.

Installing

1. Tightening specifications, refer to «SECONDARY AIR INJECTION SYSTEM OVERVIEW»(/audi/q5/i-2008-2012/remont/exhaust/#32l-exhaust-system-emission-controls-engine-codes-calb), (Scheme 46).

Install in reverse order, paying attention to the following

Note. Replace the gasket. The hose connections as well as the air guide pipes and hoses must be free of oil and grease before installing. Secure all hose connections with hose clamps of the same type as those equipped by the factory. In order to be able to securely mount the air guide hoses on their connectors, spray the screws on the previously used clamps with a rust remover.

Install the right catalytic converter. Refer to RIGHT CATALYTIC CONVERTER

Install the tower brace. Refer to Removal and Installation .

SECONDARY AIR INJECTION SENSOR 1 -G609

Removing

Remove the rear engine cover -top arrows-.

Remove the strut tower brace. Refer to Removal and Installation .

Remove the vacuum hose -3- from the connection on the air guide pipe.

Remove the air guide pipe by loosening the hose clamp -4- and opening the clips -arrows-.

Free up the fuel hose -1- and the Evaporative Emission (EVAP) canister hose -2- on the air duct pipe.

Disconnect the connector -1-.

Scheme 87

Open the locking mechanisms -arrows- and Secondary Air Injection (AIR) sensor 1 -G609- -2-.

Installing

Install in reverse order, paying attention to the following

Note. Replace the O-ring. The hose connections as well as the air guide pipes and hoses must be free of oil and grease before installing. Secure all hose connections with hose clamps of the same type as those equipped by the factory. In order to be able to securely mount the air guide hoses on their connectors, spray the screws on the previously used clamps with a rust remover.

Install the tower brace. Refer to Removal and Installation .

SPECIAL TOOLS

Special tools and workshop equipment required

Scheme 88

Scheme 89

Scheme 90

1. Pry Lever - Rmv Outside Mirror 80-200
2. Hand Vacuum Pump VAS 6213
3. Chain Pipe Cutter VAS 6254

Edition 6 18 2012

See also:
• Removal and Installation
• Removal and Installation
• Description and Operation
• Description and Operation
• Description and Operation
• Removal and Installation
• LEFT ENGINE MOUNT
• RIGHT ENGINE MOUNT
• Description and Operation
• LEFT EXHAUST MANIFOLD
• RIGHT EXHAUST MANIFOLD
• MUFFLER OVERVIEW
• EXHAUST SYSTEM, INSTALLING
• CENTER MUFFLER AND REAR MUFFLER, SEPARATING
• TAIL PIPE
• LEFT CATALYTIC CONVERTER
• RIGHT CATALYTIC CONVERTER
• FRONT MUFFLER
• END PIPES, ALIGNING
• SECONDARY AIR INJECTION PUMP MOTOR
• SECONDARY AIR COMBINATION VALVES, CHECKING FUNCTION AND LEAKAGE
• RIGHT SECONDARY AIR COMBINATION VALVE
• LEFT SECONDARY AIR COMBINATION VALVE