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Home >> Audi >> 2017 >> A7 Quattro Competition >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Wheels & Tire - General Information) >> 44 Wheels, Tires, Wheel Alignment >> Acceptable Tread Depth Variance >> Models With Transverse Installed Engine

Models With Transverse Installed Engine

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NOTE:

Tread depth variance for models with crossways installed engine, such as A3, TT, Q3, A1...

The variance between the front and rear axle in this case may not be more then 3 mm

NOTE:

The technical background of the limitations are thermal pressure for the transmission oil due to a large difference in the rolling circumference of the tires.

Left tire on the front axle Right tire on the front axle Average Variance
2.0 mm 2.0 mm 2.0 mm from left to right  
Left tire on the rear axle Right tire on the rear axle  
3.0 mm 7.0 mm (new tires) 5.0 mm from left to right 3.0 mm from front to rear
  Within the permissible tolerance
Left tire on the front axle Right tire on the front axle Average Variance
2.0 mm 2.0 mm 2.0 mm from left to right  
Left tire on the rear axle Right tire on the rear axle  
5.0 mm 5.0 mm 5.0 mm from left to right 3.0 mm from front to rear
  Within the permissible tolerance

Refer to GENERAL INFORMATION .