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Home >> Volkswagen >> 2015 >> Jetta S, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 220 (Engine System (Crankshaft & Cylinder Block - Service Information - CZCA, CZDA, CZTA)) >> 13 Crankshaft, Cylinder Block >> Pistons And Connecting Rod >> Piston And Cylinder Bore, Checking >> Checking The Piston Ring Groove Clearance

Checking The Piston Ring Groove Clearance

WARNING: This page is about a different car, the 2018 Volkswagen Jetta, 2017 Volkswagen Jetta, and 2016 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
GWWN13-10569Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Clean the piston ring groove before checking.

Piston Ring New mm Wear Limit mm
1. Compression ring (piston ring manufacturer: Federal Mogul) 0.050 to 0.090 0.15
1. Compression ring (piston ring manufacturer: Mahle) 0.035 to 0.085 0.15
2. Compression ring 0.030 to 0.070 0.15
Oil scraping rings (three-part) cannot be measured
Oil scraping rings (two-part) 0.04 to 0.08
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