Piston Ring Gap, Checking

WARNING: This page is about a different car, the 2013 Volkswagen Beetle. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Checking Piston Ring Gap

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Special tools and workshop equipment required

Feeler Gauge

Test Sequence

-- Push the ring squarely from above, down to approximately 15 mm from the bottom end of the cylinder. To do this use a piston without rings.

Piston Ring	Gap
Dimensions in mm	New	Wear limit
Compression rings	0.20...0.40	0.80
Oil scraping ring	0.25...0.50	0.80