9-5 Linear Sport Wagon (9600) L4-2.3L Turbo (B235) (2002)
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b. The lower compression ring should be fitted with the side marked "top" facing up.
c. Check the fit of the piston rings in their grooves by rolling them round the grooves. Also measure the clearance at several points.
d. Oil the piston and rings before assembly. Turn the compression rings so that their gaps are roughly 180° to each other and position each of them
above one of the gudgeon pin holes.
e. Make sure that the gaps in the top and bottom rings of the three-part scraper ring are staggered round the piston and not in line with each other.
