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Home >> Audi >> 2009 >> A4 Base, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 75 (3.2L - Ignition/Glow Plug System - Engine Code(S): CALA (Sedan) (As Of 01.2014)) >> 28 Ignition/Glow Plug System >> Ignition System >> Ignition Coils, Removing And Installing >> Notes

Ignition Coils, Removing And Installing: Notes

WARNING: This page is about a different variant/trim than selected.

Special tools and workshop equipment required 

Remove the ignition coils from cylinder bank 1:

-- Only remove the lower section of the air filter for the cylinder 1 ignition coil LOWER SECTION OF AIR FILTER, REMOVING .

-- For cylinder 2 and 3 ignition coils, remove the air guide hose (open the hose clamp -3- and the clips -arrows-).

Fig 1: Identifying Air Guide Hose Components
GWWA10-10839Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts from the ignition coil wiring harness.

-- Release electrical connectors and remove connectors simultaneously from ignition coils.

-- Pull ignition coils out of spark plug shaft using Puller - Ignition Coil T40039.

Fig 2: Removing Ignition Coils Using Ignition Coil Puller T40039
GWWA28-0074Courtesy of AUDI OF AMERICA, LLC

Remove the ignition coils from cylinder bank 2:

-- Remove the coolant reservoir -arrows-.

Fig 3: Identifying Coolant Reservoir
GWWA28-10008Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector to the Engine Coolant Level Warning Switch -F66- on the bottom of the coolant reservoir and lay the reservoir aside with the coolant hoses -1 and 2- and -3- attached.

-- Remove the bolts -arrows-.

Fig 4: Identifying Ignition Coil Wiring Harness And Screws
GWWA24-10410Courtesy of AUDI OF AMERICA, LLC

-- Pull the ignition coil approximately 30 mm out of spark plug shaft using Puller - Ignition Coil T40039.

-- Release electrical connectors and remove connectors simultaneously from ignition coils.

Fig 5: Removing Ignition Coils Using Ignition Coil Puller T40039
GWWA28-0074Courtesy of AUDI OF AMERICA, LLC

Installing

-- Insert all ignition coils loosely into the spark plug shaft.

-- Align the ignition coils to the connectors and then connect all of the connectors simultaneously onto the ignition coils.

-- Press the ignition coils uniformly onto the spark plugs by hand (do not use an impact tool under any circumstances).

Install in reverse order of removal.