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Home >> Audi >> 2021 >> Q3 Premium Plus S-Line >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Ignition/Glow Plug System [CWZA,DAJB,CJSA,CJSB,CJXB,CJXC,CNSB,CNTC,CHHB,CJXF,CYFB,CJXD,CJHA,CJXG,CJHB,CULB,CULC,DBRA,CHHC,DJHA,DJHB,DJJA,DBSA,DHHA,DKTB,DLRA,DNUF,DNUE,DKTA,DKTC,DKXA] >> 28 Ignition/Glow Plug System >> Ignition System >> Engine Speed Sensor -G28-, REMOVING AND INSTALLING
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Engine Speed Sensor -G28-, REMOVING AND INSTALLING

Removing 

-- Remove the noise insulation (front). Refer to OVERVIEW - NOISE INSULATION .

-- Open the clip -2- and free up the coolant hose -1- and push to the side.

GWWA19-12595Courtesy of AUDI OF AMERICA, LLC

-- Remove the clip upward from the air duct pipe.

Vehicles with Coolant Valve 

Fig 1: Transmission Coolant Valve -N488- Component Location
GWWA19-12596Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -1-.

-- Remove the nuts -arrows- and move the Transmission Coolant Valve -N488- to the side.

All Vehicles 

Fig 2: Identifying Engine Speed Sensor And Bolt
GWWA24-11207Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -1-.

-- Remove the bolt -arrow- and remove the Engine Speed Sensor -G28-.

After removing or replacing the engine speed sensor the adaptation values for the chain length must be adapted again.

-- Connect the Vehicle Diagnostic Tester.

-- Select Diagnostic  operating mode and Start diagnostics  .

-- Select the Select individual test  tab and select the following tree structure consecutively:

Tightening Specifications