Audi A4 Owners & Service Manuals

Audi A4: Floor Heat Shield, Removing and Installing

Audi A4 (B9) 2016-2025 Service Manual / Body / Body Exterior / Exterior Equipment / Floor Heat Shield, Removing and Installing

Plenum Chamber Bulkhead Heat Shield, Removing and Installing

Removing

- Remove the plenum chamber bulkhead. Refer to → Chapter "Plenum Chamber Bulkhead, Removing and Installing".

- Remove the lock washers -arrows-.

- Remove the heat shield -1- from the plenum chamber bulkhead -2-.

A66-11646

Installing

Install in reverse order of removal.

Tightening Specifications

  • Refer to → Chapter "Overview - Heat Shield"

Rear Heat Shield for Longitudinal Member, Removing and Installing

Removing

- Remove the plenum chamber bulkhead. Refer to → Chapter "Plenum Chamber Bulkhead, Removing and Installing".

- Remove the rear noise insulation. Refer to → Chapter "Noise Insulation, Removing and Installing, Rear".

Right Side of Vehicle

- Remove the front muffler/front exhaust pipe. Refer to → Engine Mechanical; Rep. Gr.26; Exhaust Pipes/Mufflers; Overview - Muffler and → Engine Mechanical; Rep. Gr.26; Emissions Control System; Overview - Emissions Control System.

- Remove the lock washers -arrows-.

- Remove the heat shield -1-.

A66-11647

Left Side of Vehicle

- Remove the lock washers -arrows-.

- Remove the heat shield -1-.

A66-11648

Installing

Install in reverse order of removal.

Tightening Specifications

  • Refer to → Chapter "Overview - Heat Shield"

Front Heat Shield for Longitudinal Member, Removing and Installing

Removing

- Remove the rear noise insulation. Refer to → Chapter "Noise Insulation, Removing and Installing, Rear".

Left Side of Vehicle

- Remove the bolt -4-.

- Remove the lock washer -3- and clips -1-.

- Remove the heat shield -2-.

A66-11650

Right Side of Vehicle

- Remove the bolt -3-.

- Remove the clips -1 and 4-.

- Remove the heat shield -2-.

A66-11649

Installing

Install in reverse order of removal.

Tightening Specifications

  • Refer to → Chapter "Overview - Heat Shield"

Upper Front Heat Shield for Tunnel, Removing and Installing

Special tools and workshop equipment required

  • Engine and Gearbox Jack -VAS6931-
  • Engine/Gearbox Jack - Gearbox Support -T10337-

Removing

- TFSI vehicles: Remove the front muffler. Refer to → Engine Mechanical; Rep. Gr.26; Exhaust Pipes/Mufflers; Front Muffler, Removing and Installing.

- TDI vehicles: Remove the front exhaust pipe. Refer to → Engine Mechanical; Rep. Gr.26; Exhaust Pipes/Mufflers; Front Exhaust Pipe, Removing and Installing.

- Remove the drive axle. Refer to → Rear Final Drive; Rep. Gr.39; Propshaft; Propshaft, Removing and Installing.

- Place the -T10337- on the -VAS6931- and position it at the bottom of the transmission.

A34-11526

- Remove the tunnel crossmember bolts -arrows-.

TIP

For reasons of clarity, the -T10337- is not shown.

A34-11517

- Lower the engine/transmission assembly by dimension -a- using the -VAS6931-.

  • Dimension -a- = maximum 40 mm.

A10-10867

- Free up the wiring harness -4-.

- Remove the lock washers -1-.

- Remove the nuts -2-.

- Remove the heat shield -3-.

A66-11653

Installing

Install in reverse order of removal and note the following:

Tightening Specifications

  • Refer to → Chapter "Overview - Heat Shield"
  • Refer to → Manual Transmission; Rep. Gr.34; Subframe Mount; Overview - Subframe Mount, → Dual-Clutch Transmission; Rep. Gr.34; Subframe Mount; Overview - Subframe Mount or → Automatic Transmission; Rep. Gr.37; Subframe Mount; Overview - Subframe Mount.

Transmission Tunnel Heat Shield, Removing and Installing

Removing

- TFSI vehicles: Remove the front muffler. Refer to → Engine Mechanical; Rep. Gr.26; Exhaust Pipes/Mufflers; Front Muffler, Removing and Installing.

- TDI vehicles: Remove the front exhaust pipe. Refer to → Engine Mechanical; Rep. Gr.26; Exhaust Pipes/Mufflers; Front Exhaust Pipe, Removing and Installing.

- Remove the driveshaft. Refer to → Rear Final Drive; Rep. Gr.39; Propshaft; Propshaft, Removing and Installing.

- Remove the nuts -arrows- and bolt -2- for the underbody trim panel -1- in the heat shield area.

A66-11699

- Remove the lock washers -arrows-.

- Remove the heat shield -1-.

A66-11632

Installing

Install in reverse order of removal.

Tightening Specifications

  • Refer to → Chapter "Overview - Heat Shield"

Driveshaft Heat Shield, Removing and Installing

Removing

- Remove the nuts -arrows-.

- Remove the exhaust system clamping sleeve. Refer to → Engine Mechanical; Rep. Gr.26; Exhaust Pipes/Mufflers; Overview - Muffler and → Engine Mechanical; Rep. Gr.26; Emissions Control System; Overview - Emissions Control System.

- Remove the heat shield -1- toward the front.

A66-11651

Installing

Install in reverse order of removal.

Tightening Specifications

  • Refer to → Chapter "Overview - Heat Shield"

Center Exhaust System Heat Shield, Removing and Installing, FWD Version

Removing

- Remove the rear section of the exhaust system. Refer to → Engine Mechanical; Rep. Gr.26; Exhaust Pipes/Mufflers; Overview - Mufflers.

- Remove the left rear underbody trim panel. Refer to → Chapter "Underbody Trim Panel, Removing and Installing, Rear".

- Remove the nut -3- and bolt -1-.

- Remove the heat shield -2-.

A66-11730

Installing

Install in reverse order of removal.

Tightening Specifications

  • Refer to → Chapter "Overview - Heat Shield"

Center Exhaust System Heat Shield, Removing and Installing, AWD Version

Removing

- Remove the rear section of the exhaust system. Refer to → Engine Mechanical; Rep. Gr.26; Exhaust Pipes/Mufflers; Overview - Mufflers.

- Remove the nuts -3 and 4- and bolt -2-.

- Remove the heat shield -1-.

A66-11652

Installing

Install in reverse order of removal.

Tightening Specifications

  • Refer to → Fig. "Heat Shield - Tightening Specification and Sequence, Version with AWD"

Spare Tire Well Heat Shield, Removing and Installing

Removing

- Vehicles with diagonal braces: Remove the diagonal braces. Refer to → Chapter "Diagonal Braces, Removing and Installing".

- Remove the nuts -1 and 4-.

- TDI vehicles: Free up the line -2--arrows-.

- TFSI vehicles: Remove the nuts -3-.

- Remove the heat shield -5-.

A66-11633

Installing

Install in reverse order of removal.

Tightening Specifications

  • Refer to → Chapter "Overview - Heat Shield"

Rear Muffler Heat Shield, Removing and Installing

Special tools and workshop equipment required

  • Engine and Gearbox Jack -VAS6931-

Removing

- Loosen the rear muffler mounting and lower it slightly using the -VAS6931-. Refer to → Engine Mechanical; Rep. Gr.26; Exhaust Pipes/Muffler; Overview - Muffler.

- Remove the nuts -arrows-.

- Remove the heat shield -1-.

A66-11654

Installing

Install in reverse order of removal.

Tightening Specifications

  • Refer to → Chapter "Overview - Heat Shield"

    READ NEXT:

     Noise Insulation

    Overview - Noise Insulation 1 -  Quick Release Without fastener 2 -  Plug/Rubber Grommet Plug for vehicles without parking heater Rubber grommet for parking heater exhaust pipe

     Underbody Trim Panel

    Overview - Underbody Trim Panels 1 -  Nut 2 Nm Quantity: 2 2 -  Front Underbody Panel Removing and installing. Refer to → Chapter "Underbody Trim Panel, Removing and In

     Underbody Trim Panels, Removing and Installing

    Underbody Trim Panel, Removing and Installing, Front Removing - Remove the nuts -arrows-. - Remove the front underbody trim panel -2- from the center underbody trim panel -1-. Installing

    SEE MORE:

     Power sources

    When the ignition is switched on, you may be able to use multiple power sources for external devices, depending on the vehicle equipment. 12 volt sockets You can connect electrical accessories to the 12 volt sockets. The power usage from the sockets must not exceed a total of 120 watts. Do not conne

     Dual Clutch, Removing and Installing

    Special tools and workshop equipment required Shop Crane -VAS6100- Puller - Input Shaft -T40050- Pressure Stand -T40099- Guide Pins - Gearbox -T40288- Engine Support Bridge - Additional Hooks (2 pc.) -10-222A/2- Removing Secure the transmission on the Engine And Transmission Holder -VAS609

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