Audi A4: 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
Install in reverse order of removal.
Tightening Specifications
- Refer to → Chapter "Overview - Underbody Trim Panels"
Underbody Trim Panel, Removing and Installing, Center
Removing
- Remove the nuts -arrows- and the bolt -2-.
- Remove the center underbody trim panel -1-.
Installing
Install in reverse order of removal.
Tightening Specifications
- Refer to → Chapter "Overview - Underbody Trim Panels"
Underbody Trim Panel, Removing and Installing, Rear
Removing
- Remove the nuts -2 and 3- and bolts -1-.
- Remove the rear underbody trim panel -4-.
Installing
Install in reverse order of removal.
Tightening Specifications
- Refer to → Chapter "Overview - Underbody Trim Panels"
Underbody Trim Panel, Removing and Installing, Side
Removing
- Remove the nuts -3- and bolts -1-.
- Remove the side underbody trim panel -2-.
Installing
Install in reverse order of removal.
Tightening Specifications
- Refer to → Chapter "Overview - Underbody Trim Panels"
Tunnel Brace, Removing and Installing
Removing
- Remove the bolts -arrows-.
- Remove the tunnel brace -1-.
Installing
Install in reverse order of removal.
Tightening Specifications
- Refer to → Chapter "Overview - Underbody Bracing"
Diagonal Braces, Removing and Installing
Caution
This procedure contains mandatory replaceable parts. Refer to component overview and parts catalog prior to starting procedure.
Mandatory Replacement Parts
- Bolts - Right Diagonal Brace to Body
- Bolts - Left Diagonal Brace to Body
Removing
NOTICE
Risk of damaging the thread by using an impact wrench.
- When installing, position the bolts by hand and screw in the first threads.
- Do not loosen or tighten the bolts with an impact wrench.
- Remove the bolts -1 and 3- and remove the diagonal braces -2 and 4-.
Installing
Install in reverse order of removal and note the following:
Tightening Specifications
- Refer to → Chapter "Overview - Underbody Bracing"
READ NEXT:
Roof Molding/Roof Railing
Overview - Roof Railing
1 -
Nut
Quantity: 4
Insert with locking fluid. Refer to the Parts Catalog.
Tightening specification and sequence. Refer to
→ Fig. "Roof Railing - Tightening
Exterior Rearview Mirror
Overview - Exterior Rearview Mirror
1 -
Mirror Trim
2 -
Bolt
1.5 Nm
3 -
Mirror Adjusting Unit
Removing and installing. Refer to
→ Chapter "Mirror Adjusting
Wheel Housing Liner
Overview - Front Wheel Housing Liner
Overview - Wheel Housing Liner
1 -
Drive Axle Cover
Removing and installing. Refer to
→ Chapter "Drive Axle Cover, Removing and Installing".
SEE MORE:
General Information
Caution
There is a risk of damaging the threads in the
vehicle body.
The bolts and nuts at all suspension parts must not
be loosened or tightened with an impact wrench.
Always install the bolts and nuts by hand for the
first few turns.
When installing waxed components, contact surf
Wheel Housing Liner
Overview - Front Wheel Housing Liner
Overview - Wheel Housing Liner
1 -
Drive Axle Cover
Removing and installing. Refer to
→ Chapter "Drive Axle Cover, Removing and Installing".
2 -
Bolt
2 Nm
Quantity: 6
3 -
Front Wheel Housing Liner
Removing and instal
