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Replacing piston rings - RA03001193170X(03-3170)

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Preceding work:

Pistons removed (03-3160) .

Fig 1: Identifying Plain Compression Ring, Taper-Faced Hook Scraper Ring And Coil Spring
G04677144Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
End clearance of piston rings measure.
Piston rings remove with pliers (10), install, special tool 000 589 51 36 00.
NOTE: Pay attention to installation position, "Top" faces up. Hooked spring (8) in oil scraper ring (3) is installed offset 180° to joint (arrow).

Special tool 

Fig 2: Identifying Special Tool (000 589 51 37 00 03)
G04677145Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
TEST DATA IN MM

End clearance of piston rings Groove 1 0.05 - 0.08
Groove 2 0.01 - 0.03
Groove 3 0.01 - 0.04