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Section 4 (3.0L - Engine Mechanical, Engine Code(S): AVK, BGN)
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13 Engine - Crankshaft, Cylinder block
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Pistons and connecting rods, disassembling and assembling
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Pistons and connecting rods, disassembling and assembling
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Checking piston ring side clearance
Checking piston ring side clearance
WARNING:
This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Checking Piston Ring Side Clearance
Courtesy of VOLKSWAGEN UNITED STATES, INC.
Before measuring, clean piston ring groove
Piston ring
(Distance in mm)
New
Wear limit
Compression rings
0.02 to 0.08
0.20
Oil scraper ring
0.02 to 0.08
0.15