Audi A4: Overview - Subframe
Overview - Subframe, FWD
Caution
There is a risk of damaging the threads on the subframe threaded connection to the body.
- The subframe bolts on the body must not be loosened or tightened with an impact wrench.
- Always install all bolts by hand for the first few turns.
1 - Bolt
- 130 Nm + 180º
- Replace after removing
2 - Front Bonded Rubber Bushing
- For the subframe
3 - Subframe
- Removing and installing. Refer to → Chapter "Subframe, Removing and Installing".
4 - Rear Bonded Rubber Bushing
- For the subframe
5 - Bolt
- 90 Nm + 180º
- Replace after removing
Overview - Subframe, AWD
Caution
There is a risk of damaging the threads on the subframe threaded connection to the body.
- The subframe bolts on the body must not be loosened or tightened with an impact wrench.
- Always install all bolts by hand for the first few turns.
1 - Bolt
- Replace after removing
2 - Rear Final Drive
3 - Stop Buffer
4 - Bolt
- 130 Nm + 180º
- Replace after removing
5 - Bolt
6 - Front Bonded Rubber Bushing
- For the subframe
7 - Subframe
- Securing. Refer to → Chapter "Subframe, Securing".
- Removing and installing. Refer to → Chapter "Subframe, Removing and Installing".
8 - Spacer
- Installed depending on the model
9 - Nut
- 20 Nm
10 - Rear Bonded Rubber Bushing
- For the rear final drive
- Removing and installing. Refer to → Chapter "Rear Bonded Rubber Bushing for Rear Final Drive, Removing and Installing".
- Installation position. Refer to → Fig. "Rear Bonded Rubber Bushings Installation Position for the Rear Final Drive".
11 - Bolt
- Tightening specification. Refer to → Rear Final Drive; Rep. Gr.39; Subframe Mount; Overview - Subframe Mount.
12 - Spacer
- Installed depending on the model
13 - Rear Bonded Rubber Bushing
- For the subframe
14 - Bolt
- 90 Nm + 180º
- Replace after removing
15 - Nut
- Tightening specification. Refer to → Rear Final Drive; Rep. Gr.39; Subframe Mount; Overview - Subframe Mount.
Rear Bonded Rubber Bushings Installation Position for the Rear Final Drive
- The grooves -arrows- on the bonded rubber bushings -1- are at a right angle.
READ NEXT:
Subframe, Securing
Special tools and workshop equipment required
Torque Wrench 1331 5-50Nm -VAG1331-
Torque Wrench 1332 40-200Nm -VAG1332-
Engine and Gearbox Jack -VAS6931-
Gearbox Support -T40173-
Locating Pins -
Subframe, Removing and Installing
Caution
This procedure contains mandatory replaceable parts.
Refer to component overview and parts catalog prior to
starting procedure.
Mandatory Replacement Parts
Bolt - Bonded Rubber Bu
Stabilizer Bar
Overview - Stabilizer Bar
1 - Bolt
25 Nm + 90º
Replace after removing
Tighten in the curb weight position. Refer to
→ Chapter "Wheel Bearing in Curb Weight Position, Lifting Ve
SEE MORE:
Fiber-Optic Cables, Repairing
Caution
Do not bend the fiber-optic cable too much. The
bending radius must be no less than 25 mm.
Fiber optic cables must not be routed over sharp
edges.
The fiber-optic cable must not be dirty or touched
with bare fingers.
Fiber optic cables may not be heated.
It is not permitted to tw
ATF
ATF Level, Checking
Special tools and workshop equipment required
Vehicle Diagnostic Tester
Used Oil Collection and Extraction Unit -SMN372500-
Pressurized Gearbox Oil Filler Kit -VAS6617- with
Pressurized Gearbox Oil Filler - Hand Pump -VAS6617/1- and
Pressurized Gearbox Oil Filler - Adapter
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