911 Carrera (997) F6-3.6L (2006)
Disassembling pistons/connecting rods, cylinder 1-3
Information
When removing pistons, the piston-pin circlip always remains in the piston, which is installed opposite the large assembly bore (no chamfer) for the
piston pin.
1. Remove piston/connecting rod unit. To do this, clamp the connecting rod to a vice with aluminum jaws, for example.
Caution
Over-extension of piston rings
^
Damage or breakage
-> Using the piston ring pliers, spread open the piston rings only far enough so that the rings can be installed or removed (without scratching the
piston).
2. Remove piston ring groove 1 and groove 2 separately using a piston ring pliers Gr. 1 NR.58. Remove piston ring groove 1 first. The piston rings
must not be overstretched.
Removing/installing piston rings
3. The three-piece oil scraper ring can be removed by hand. First, carefully remove both rings, then remove the springs.
4. Insert piston/connecting rod unit into the retaining device 9597 in such a way that the twist lock in the second piston ring groove faces the
observer.
Piston assembly device 9597
5. Carefully press out piston-pin circlip with a screwdriver; while doing so, place a cloth over the piston so that the circlip does not pop out.