Fuel Injectors, Removing And Installing: 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.

NOTE:

All cable ties opened or cut during engine removal must be reinstalled at the same locations during installation.

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

Cylinder Bank 1 (right):

-- Remove the air filter housing and air guide hose, refer to AIR FILTER HOUSING, REMOVING AND INSTALLING .

Cylinder Bank 2 (left):

Fig 1: Connector At The Throttle Valve Control Module, Screw Clamp & Air Guide Hose

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-- Loosen the clamp -3- and remove the air guide hose.

NOTE:

Ignore items -1 and 2-.

-- Remove the coolant expansion tank.

Fig 2: Identifying Coolant Reservoir Marking

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-- Free up the coolant line on the longitudinal member.

Continued for Both Sides:

Fig 3: Bolt -1- On The Right Intake Manifold Bracket

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-- Remove the union nut -1- and the bolt -2-.

CAUTION:

Danger of malfunction caused by dirt.

Observe, refer to CLEAN WORKING CONDITIONS .

-- Free up the wiring harness and hoses on the wiring guide -1- using the Pry Lever80-200.

Fig 4: Bolts -2 And 3- And Remove The Wiring Guide -1-

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-- Pull coolant hose back -arrow-.

-- Remove the bolts -2 and 3- and remove the wiring guide.

-- Disconnect the connectors from the fuel injectors -arrows- and from the Fuel Pressure Regulator Valve -N276- -1-.

Fig 5: Fuel Injector Connectors

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-- Free up electrical wiring harness on the cylinder head cover and fuel rail.

-- Remove the fuel supply hoses from the fuel injectors by pressing both retaining straps down while pulling up on the center piece to release -arrow-.

Fig 6: Center Piece On Retaining Strap

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CAUTION:

Used injectors may only be installed on the same cylinder.

Note the sequence of each fuel injector to the cylinder when reinstalling.

-- Remove the high pressure line union nuts -2, 3 and 4- using the Union Nut Socket T40055.

Fig 7: High Pressure Line Union Nuts & Open Lines And Connections

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-- Seal off all open lines and connections with clean plugs.

-- Mark fuel injector and tension bracket -1- with paint for reinstallation.

Fig 8: Identifying Tension Bracket And Bolt

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-- Remove bolt -2- and tension bracket.

-- Repeat procedure on remaining fuel injectors.

-- Position the Puller - Unit Injector T10055 with the Puller - Unit Injector - Adapter 1 T10055/1 on the fuel injector as illustrated. Remove fuel injector using knocking motions.

Fig 9: Identifying T10055 And T10055/1

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-- Place removed fuel injectors on a clean cloth.