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.
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HOMESERVICE MANUALSAUDI2025Q4 E-TRON PREMIUM PLUS, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONBRAKESMAP - ROUTINE INSPECTION REFERENCE GUIDEROUTINE INSPECTION REFERENCE GUIDEROUTINE INSPECTION - UICSDRIVETRAIN AND TRANSMISSIONLUBRICANTS
2025 Audi Q4 e-tron Premium Plus, AWD
Drivetrain And Transmission: Lubricants
2025 Audi Q4 e-tron Premium Plus, AWDSECTION Lubricants
| Condition | Code | Procedure |
|---|---|---|
| Additive Depletion | A | Require replacement of fluid |
| Application incorrect | B | Require replacement |
|
NOTE:
Determine and correct cause.
|
||
| At service interval | 3 | Suggest replacement |
| Beyond service interval | 3 | Suggest replacement |
| Burned | Further inspection required | |
|
NOTE:
Fluid that is burned indicates a serious problem. Determine and correct the cause.
|
||
| Contaminated, for example, fluid other than the specified fluid present | B | Require service |
|
NOTE:
If a fluid other than the correctly specified fluid is present in the hydraulic system which DOES NOT affect the rubber parts, the required service is to flush and fill following OEM specified procedure with the correctly specified hydraulic fluid.
|
||
| Fluid incorrect | B | Require service |
|
NOTE:
If a fluid other than the correctly specified fluid is present in the hydraulic system, the required service is to flush and fill with the correct hydraulic fluid.
|
||
| Level incorrect | B | Require correction of fluid level |
| Near service interval | 3 | Suggest replacement |
| Oxidized | A | Require replacement of fluid |
| Rubber master cylinder cover gasket distorted and gummy | A | Require service |
|
NOTE:
If a fluid other than brake fluid is present in the system which DOES affect the rubber parts, the required service is to: 1) remove all components having rubber parts from the system, 2) flush lines, 3) repair or replace all components having rubber parts, and 4) fill with correct brake fluid.
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RENDER: 1.0x
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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.