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HOMESERVICE MANUALSVOLKSWAGEN2012JETTA TDI, 4D SEDAN, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 118 (2.0L - EXHAUST SYSTEM, EMISSION CONTROLS - ENGINE CODE: CVCA (CONVERTIBLE))26 EXHAUST SYSTEM, EMISSION CONTROLSREMOVAL AND INSTALLATIONREDUCING AGENT DELIVERY MODULEINSTALLING
2012 Volkswagen Jetta TDI, 4D Sedan, Standard Trans

Reducing Agent Delivery Module: Installing

2012 Volkswagen Jetta TDI, 4D Sedan, Standard TransSECTION Installing
WARNING: This page is about a different car, the 2015 Volkswagen Beetle. However, it is still accessible from the selected car via links, so may be relevant.

Install in reverse order of removal. Note the following:

NOTE: Do not clean the delivery module for the reducing agent with compressed air.

Clean all components and connections with water and a lint-free cloth.

All components must be dry before assembling.

Coat the seals with lubricant before installing.

Check the seals for damage.

-- Clean all components and connections with water and a lint-free cloth.

-- Replace the shock absorber -item  3-.

-- Replace the spacer sleeves -item  2-.

-- Replace the seals -item  4-.

-- Position the reducing agent delivery module and push in the mount without tilting.

-- Apply the necessary force fully.

NOTE: Markings are applied on the reducing agent tank supply line.
Fig 1: Identifying Reducing Agent Delivery Module
GWWN26-11107Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

These names -S1- to -S3- show the tightening sequence.

The delivery module is replaced as follows.

Replace the bolts.

Tightening Sequence Bolt Markings On The Supply Line Bolt Position Tightening Specification
1. S1 Bolt With The Largest Distance To The Seal -
2. S2 Bolt With The Middle Distance To The Seal 6 Nm
3. S3 Bolt With The Smallest Distance To The Seal -

-- Adapt the adaptation value for the SCR system after draining reducing agent or replacing components, refer to SCR-SYSTEM ADAPTATION VALUE, ADAPTING .

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.