Pistons, Piston Pins & Piston Rings Specifications

1996 Audi A4 Base, StandardSECTION Pistons, Piston Pins & Piston Rings Specifications
WARNING: This page is about a different car, the 1996 Audi Cabriolet and 1995 Audi Cabriolet. However, it is still accessible from the selected car via links, so may be relevant.
PISTONS, PINS & RINGS

Application In. (mm)
Piston Diameter
Standard 3.247 (82.48)
First Oversize 3.257 (82.74)
Second Oversize 3.267 (82.98)
Rings
End Gap
No. 1 .014-.020 (.35-.50)
Service Limit .040 (1.0)
No. 2 .020-.028 (.50-.70)
Service Limit .060 (1.4)
No. 3 .010-.020 (.25-.50)
Service Limit .030 (0.8)
Side Clearance
Standard .0008-.0031 (.020-.080)
Service Limit .004 (.10)
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.