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Home >> Audi >> 2011 >> TT S, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 78 (2.0L - Ignition/Glow Plug System - Engine Code(S): CCTA & CETA (Roadster)) >> 28 Ignition/Glow Plug System >> Removal And Installation >> Engine Speed Sensor -G28-

Engine Speed Sensor -G28-

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

Special tools and workshop equipment required 

Removing 

-- Remove the engine cover.

-- Remove the cover for the air guide; disengage the side clips to do this -arrows-.

Fig 1: Air Duct Cover Slide Clips
GWWA10-10367Courtesy of AUDI OF AMERICA, LLC

-- Remove the air guide pipe -1-.

Fig 2: Removing Air Guide Pipe
GWWA23-10170Courtesy of AUDI OF AMERICA, LLC
NOTE:

The air guide -2- does not have to be removed.

-- Open the air guide pipe hose clamp -2-.

Fig 3: Air Guide Hose Bolts, Air Guide Pipe Hose Clamps & Electrical Harness Connector
GWWA21-10161Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the electrical harness connector -arrow-.

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

-- Remove the bolt -1 and 4- and remove the air guide hose downward from the throttle valve control module -J338-.

-- Remove the air guide hose -1- from the charge air cooler and remove the air guide pipe downward.

Fig 4: Air Cooler Air Duct
GWWA21-10051Courtesy of AUDI OF AMERICA, LLC

-- Disconnect electrical connector -1- on Engine Speed (RPM) sensor.

Fig 5: Engine Speed (RPM) Sensor G28
GWWA24-10426Courtesy of AUDI OF AMERICA, LLC

-- Remove the RPM sensor bolt.

Installing 

Install in reverse order of removal. Note the following: