Left Cylinder Head Cover, Removing And Installing, Vehicles Engine Code CGQB: Removing

WARNING: This page is about a different car, the 2016 Audi Q5, 2015 Audi Q5, and 2014 Audi Q5. However, it is still accessible from the selected car via links, so may be relevant.

-- Remove the engine cover, refer to ENGINE COVER, REMOVING AND INSTALLING .

-- Remove the left fuel rail, refer to HIGH PRESSURE RESERVOIR (RAIL), REMOVING AND INSTALLING .

-- Remove the left fuel injector, refer to FUEL INJECTORS, REMOVING AND INSTALLING .

-- Remove the tower brace, refer to TOWER BRACE, REMOVING AND INSTALLING .

-- Separate the refrigerant lines from the quick acting couplings and remove the quick acting couplings from the refrigerant line with the Heater Core, refer to REFRIGERANT CIRCUIT .

Fig 1: Removing Quick Acting Couplings From Refrigerant Line

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-- Remove the Intake Flap Motor -V157-, refer to Intake Flap Motor -V157-, REMOVING AND INSTALLING .

-- Remove the front exhaust pipe, refer to FRONT EXHAUST PIPE, REMOVING AND INSTALLING, VEHICLES WITH ENGINE CODE CGQB .

-- Remove the bolts -1-.

Fig 2: Identifying Bolts

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NOTE:

Ignore -item 2-.

-- Remove the Exhaust Gas Temperature Sensor 3 -G495- -item 1- and pressure pipe -3- for the Differential Pressure Sensor -G505-.

Fig 3: View Of Exhaust Gas Temperature Sensor And Pressure Pipe

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NOTE:

Ignore -item 2-.

-- Remove the connector -1- from the bracket and disconnect it.

Fig 4: View Of Harness Connector And Bracket

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NOTE:

Ignore -item 2-.

-- Remove the nuts -arrows- and push the catalytic converter to the rear.

Fig 5: Identifying Catalytic Converter Flange Bolts

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

Fig 6: Identifying Heat Shield Bolts

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-- Remove the bolts -arrows- and move the Vacuum Line to the side.

Fig 7: Identifying Vacuum Line Bolts

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NOTE:

Ignore -item 1-.

-- Remove the bolts -1- and then remove the EGR pipe.

Fig 8: Exhaust Gas Recirculation (EGR) Pipe Bolts

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NOTE:

Ignore -item 2-.

-- Remove the bolts -1- and then remove the intake manifold mount.

Fig 9: Intake Manifold Mount Bolts

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NOTE:

Ignore -item 2-.

-- Free up the wiring harness on the cylinder head cover using the Pry Lever 80-200.

-- Disconnect the connector -1-.

Fig 10: Engine Temperature Control Sensor - G694

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NOTE:

Ignore -item 2-.

-- Disconnect the connector -1- and free up the wiring harness.

Fig 11: Identifying Connector And Bolts

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-- Remove bolt -2-, and move Turbine Switch-Over Valve -N529- to the side.

Fig 12: Left Cylinder Head Cover - Loosening And Tightening Sequence

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CAUTION:

Depending on the vehicle equipment level and market-specific crankcase ventilation hose may be used, which cannot be removed from the cylinder head cover without being destroyed. In these versions the hose on the cylinder head cover is destroyed and replaced.

-- Remove the hose -arrow- for the crankcase ventilation, to do so -if equipped- press the release button or the damage the hose connection on the cylinder head cover.

-- Loosen the bolts in sequence -7 to 1-.

-- Remove the bolts and the cylinder head cover.