Removing Pistons and Connecting Rods in a 300Tdi Engine
ENGINE
66
OVERHAUL
Pistons and connecting rods - remove
1. Remove big-end bearings.
2. Suitably identify each piston to its respective
cylinder bore, check that arrow on piston crown
is pointing towards front of cylinder block; if
arrow is not visible, suitably mark piston.
3. Check that plastic tubing is fitted to connecting
rod bolts.
4. Push each piston and connecting rod up
cylinder bore until they can be withdrawn.
5. Remove big-end bearing shells from
connecting rods.
CAUTION: Big-end bearing shells should
always be renewed.
6. Inspect pistons and connecting rods.
Piston rings - remove
1. Using a suitable expander, remove and discard
piston rings.
2. Using a squared-off end of an old piston ring,
remove carbon from piston ring grooves.