Piston Ring Gap, Checking

WARNING: This page is about a different car, the 2006 Volkswagen Jetta and 2005 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Check Of Piston Ring Gap

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Special Tools And Workshop Equipment Required

Feeler gauge

-- Push piston ring squarely from above down to approximately 15 mm from bottom end of cylinder.

Piston ring dimensions in mm	New	Wear limit
1. Compression ring	0.20 to 0.40	1.0
2. Compression ring	0.20 to 0.40	1.0
Oil scraping ring	0.25 to 0.50	1.0