Audi A4 Owners & Service Manuals

Audi A4: Sill Panel Trim, Removing and Installing

Audi A4 (B9) 2016-2024 Service Manual / Body / Body Exterior / Exterior Equipment / Sill Panel Trim, Removing and Installing

Special tools and workshop equipment required

  • Roller -3356-
  • Trim Removal Wedge -3409-
  • Wiring Harness Repair Set - Hot Air Blower -VAS1978/14A-
  • Cleaning Solution -D 009 401 04-
  • Applicator -D 009 500 25-
  • Bonding Agent -D 355 205 A2-

  CAUTION

This procedure contains mandatory replaceable parts. Refer to component overview and parts catalog prior to starting procedure.

Mandatory Replacement Parts

  • Sill panel trim without illumination must be replaced

Removing

Versions with Illuminated Sill Panel

- Remove the front sill panel. Refer to → Body Interior; Rep. Gr.70; Vehicle Interior Trim Panels; Sill Panel Removing and Installing.

- Push the carpet to the side.

- Disconnect the connector -1- and free up the wiring harness -2-.

Continuation for All Vehicles

A66-11711

- Carefully warm up the sill panel trim -1- using the -VAS1978/14A-.

- Carefully pry the sill panel trim from the side sill -arrow- using the Trim Removal Wedge -3409-. Do not damage the paint coat while doing so.

Installing

  • The vehicle and the trim must be at room temperature.
  • The adhesive surfaces must be free of dirt and grease.
  • If the Bonding Agent -D 355 205 A2- dries longer than 3 hours, then it must be primed again.

Installation preparation for reinstalling illuminated sill panel trims:

- Remove any adhesive residue completely from the trim.

- Clean the adhesive surface on the plastic side using the Cleaning Solution -D 009 401 04-.

- Apply the Plastic Primer -D 366 PR A1- to the adhesive surface on the cover and let it dry.

- Apply double-sided tape to the same location on the trim. Refer to Parts Catalog

Continuation

- Clean the adhesive surface on the paint side using the Cleaning Solution -D 009 401 04-.

- Apply Bonding Agent -D 355 205 A2- to the adhesive surface on the paint side using the Applicator -D 009 500 25- and let it dry.

A66-11644

- Remove the protective film from the adhesive tape -1 and 3-.

- Position the sill panel trim -2- over the pins on the side sill -arrows-.

- Push the sill panel trim onto the side sill using the -3356-.

  • Vehicle resting time is at least 3.5 hours at room temperature.

Further installation is the reverse order of removal.

A66-11643

Side Sill Trim Panel, Removing and Installing

Special tools and workshop equipment required

  • Trim Removal Wedge -3409-
  • Wiring Harness Repair Set - Hot Air Blower -VAS1978/14A-
  • Cleaning Solution -D 009 401 04-
  • Applicator -D 009 500 25-
  • Bonding Agent -D 355 205 A2-

Removing

- Carefully warm up the side sill trim panel -1- using the -VAS1978/14A-.

- Use the -3409- to carefully pry the side sill trim panel off the threaded pins -2--arrow-.

- Remove the side sill trim panel and lay it on a soft surface.

A66-11655

Installing

Install in reverse order of removal and note the following:

- Clean the adhesive surface using the Cleaning Solution -D 009 401 04-.

- Apply Bonding Agent -D 355 205 A2- on the adhesive surface using the Applicator -D 009 500 25- and let dry.

- Remove the protective film from the adhesive tape -2-.

- Position the side sill trim panel -1- over the threaded pins -arrows-.

- Press on the entire length of the side sill trim panel.

  • Vehicle resting time is at least 3.5 hours at room temperature.

A66-11656

Drip Rail, Removing and Installing

Special tools and workshop equipment required

  • Hand drill
  • 5 mm drill bit

Drip Rail, Removing

- Starting at the bottom, carefully remove the drip rail -1- upward -arrow-.

A66-11640

Drip Rail Clamping Strip, Removing

- Drill out the rivet heads -arrows- and drive out the rivet shafts.

- Remove the clamping strip -1-.

A66-11641

Installing

Install in reverse order of removal and note the following:

- Start riveting the clamping strip -1- at the topmost hole.

- Starting at the top, insert the drip rail -2- into the clamping strip. The raised section -3- must engage in the cut-out while doing so -arrow-.

- Press the drip rail all the way into the clamping strip.

A66-11642

A-Pillar Trim, Removing and Installing

Removing

- Remove the cover -2-.

- Remove the bolt -1-.

- Push the A-pillar trim -3- out of the window guide in the direction of -arrow A- and remove it to the side -arrow B-.

A66-11138

Installing

Install in reverse order of removal.

Tightening Specifications

  • Refer to → Chapter "Overview - A-Pillar Trim"

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