Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2025 Audi S3 Premium PlusFACTORY OEM SERVICE PROCEDURE
Overview - Assembly Mounts
- Engine Support
- Removing and Installing. Refer to ENGINE SUPPORT, REMOVING AND INSTALLING .
- Bolt
- Replace after removing
- 10 Nm +90°
- Bolt
- 23 Nm
- Bracket
- Bolt
- Replace after removing
- Tightening specification and sequence. Refer to Fig 2.
- Engine Mount
- With support arm
- Removing and Installing. Refer to ENGINE MOUNT, REMOVING AND INSTALLING .
- Bolt
- Replace after removing
- 20 Nm +90°
- Bolt
- Replace after removing
- 40 Nm +90°
- Ground Wire
- Only Audi A3 from MY 2021
- Nut
- For . Ground Wire
- 9 Nm
- Bolt
- Replace after removing
- 60 Nm +90°
- Pendulum Support
- There are different versions. Refer to the Electronic Parts Information (ETKA) for the allocation.
- Removing and Installing. Refer to PENDULUM SUPPORT, REMOVING AND INSTALLING .
- Bolt
- Replace after removing
- Tightening specification and sequence. Refer to Fig 3.
- Bolt
- Replace after removing
- Tightening specification and sequence. Refer to Fig 3.
- Bolt
- Replace after removing
- Tightening specification and sequence. Refer to Fig 3.
- Bolt
- Tightening specification. Refer to OVERVIEW - ASSEMBLY MOUNTS .
- Transmission Mount
- With support arm
- Removing and Installing. Refer to TRANSMISSION MOUNT, REMOVING AND INSTALLING .
- Bolt
- Tightening specification. Refer to OVERVIEW - ASSEMBLY MOUNTS .
- Replace bolts that were tightened with an additional turn after removing them.
-- Tighten the bolts in the steps in the sequence shown:
| Step | Bolts | Tightening Specification/Additional Turn |
|---|---|---|
| 1. | -1 to 3- | 7 Nm |
| 2. | -1 to 3- | 40 Nm |
| 3. | -1 to 3- | 90° additional turn |
- Replace bolts that were tightened with an additional turn after removing them.
-- Tighten the bolts in the steps in the sequence shown (example illustration above):
| Step | Bolts | Tightening Specification/Additional Turn |
|---|---|---|
| 1. | -2 and 3- | 50 Nm |
| 2. | -1- | 130 Nm |
| 3. | -1 to 3- | 90° additional turn |
Factory Service Tools
Use the Manual With the Right Hardware
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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.