Values of axial mounting clearances of piston rings
| Piston ring, size in mm | Gap for a new ring | Wear limit clearance |
| 1st compression ring | 0.04-0.08 mm | 0.15 mm |
| 2nd compression ring | 0.04-0.08 mm | 0.15 mm |
| Oil scraper ring | It is impossible to measure | |
Checking the clearance between the piston ring and the groove in the axial direction (VW Caddy 3)
Before checking, the groove in the piston should be cleaned.
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The text has been checked: Kolesnikov Artem
Previous articles
Checking the thermal clearance in the joints of piston rings
Disassembly and assembly of pistons and connecting rods
Pressing the flange with the toothed ring onto the crankshaft
Removal and installation the rear cylinder block cover
Removal and installation the front and rear crankshaft covers
Cylinder block for 1.4 L petrol engines (BCA and BUD)
Checking the thermal clearance in the joints of piston rings
Disassembly and assembly of pistons and connecting rods
Pressing the flange with the toothed ring onto the crankshaft
Removal and installation the rear cylinder block cover
Removal and installation the front and rear crankshaft covers
Cylinder block for 1.4 L petrol engines (BCA and BUD)
Similar articles from other manuals for VW cars:
Checking the control lever and the distribution piston… Passat B3 (1988-1993)
Checking piston rings, ring grooves and connecting rods Golf 2 (1984-1993)
Checking the piston protrusion at TDC Polo 3 (1995-2003)
Checking the axial clearance of the camshafts Touareg 1 (2002-2006)
Checking the operation of the intake manifold flap Tiguan 1 (2007-2015)
Determination of axial clearance of the crankshaft Sharan 1 (1995-2000)
Checking and adjusting the axial play of the crankshaft Transporter T3 (1979-1992)
Checking the control lever and the distribution piston… Passat B3 (1988-1993)
Checking piston rings, ring grooves and connecting rods Golf 2 (1984-1993)
Checking the piston protrusion at TDC Polo 3 (1995-2003)
Checking the axial clearance of the camshafts Touareg 1 (2002-2006)
Checking the operation of the intake manifold flap Tiguan 1 (2007-2015)
Determination of axial clearance of the crankshaft Sharan 1 (1995-2000)
Checking and adjusting the axial play of the crankshaft Transporter T3 (1979-1992)
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