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Home >> Volkswagen >> 2005 >> Jetta TDI, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 32 (2.0L - Exhaust System, Emission Controls - Engine Code(S): CBFA & CCTA (Sedan) (A5 Platform)) >> 26 Exhaust System, Emission Controls >> Removal And Installation >> Secondary Air Injection Solenoid Valve -N112-

Secondary Air Injection Solenoid Valve -N112-

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Special tools and workshop equipment required 

Removing 

NOTE:

To perform this procedure, the Ground cable must be disconnected from battery. Check whether a coded radio is installed. If so, obtain the anti-theft code beforehand.

-- Remove the engine cover. Refer to ENGINE COVER .

-- Remove the air filter housing. Refer to AIR FILTER HOUSING .

-- Remove the battery and the battery tray. Refer to Removal and Installation .

-- Disconnect the connector -A- and the line -B- from the Secondary Air Injection (AIR) solenoid valve.

Fig 1: Identifying Secondary Air Injection (Air) Solenoid Valve N112 Connector And Hose
GWWN26-10355Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
NOTE:

Press the securing ring to disengage the hose.

-- Loosen the coolant pipe by removing the bolts -arrows-.

Fig 2: Identifying Coolant Pipe And Bolts
GWWN26-10356Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the bolts -arrows- and remove the AIR solenoid valve.

Fig 3: Identifying Secondary Air Injection (Air) Solenoid Valve N112 And Bolts
GWWN26-10357Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Installing 

Install in reverse order of removal. When doing this note the following:

-- Replace the seal.

-- Follow the notes after connecting the battery. Refer to Removal and Installation .

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