Removal - Chrysler PT Cruiser Service & Repair Manual

PT
PISTON & CONNECTING ROD (Continued)
piston to bore clearance must be established in order
to assure quiet and economical operation.
NOTE: Pistons and cylinder bores should be mea-
sured at normal room temperature, 70°F (21°C).
Fig. 70 Checking Cylinder Bore
Fig. 71 Piston Measurement Location
1 - PISTON DIAMETER
2 - 14 mm (9/16 in.)

REMOVAL

(1) Remove top ridge of cylinder bores with a reli-
able ridge reamer before removing pistons from cyl-
inder block. Be sure to keep tops of pistons
covered during this operation.
CAUTION: DO NOT use a number stamp or a punch
to mark connecting rods. Damage to connecting
rod could occur.
(2) Using a permanent ink marker or scribe tool
mark the cylinder number on the side of the rod and
cap (Fig. 72) for identification.
Fig. 72 Identify Connecting Rod to Cylinder
(3) Pistons and connecting rods must be removed
from top of cylinder block. Rotate crankshaft so that
each connecting rod is centered in cylinder bore.
(4) Remove connecting rod cap bolts Do not use
old bolts if reinstalling connecting rod.
(5) To protect crankshaft journal and fractured rod
surfaces, install Special Tool 8388, connecting rod
guides onto connecting rod (Fig. 73). Carefully push
each piston and rod assembly out of cylinder bore.
CAUTION: Care must be taken not to damage the
fractured rod and cap joint surfaces, as engine
damage many occur.
(6) Remove Special Tool 8388, connecting rod
guides and re-install bearing cap on the mating rod.
NOTE: Piston and rods are serviced as an assem-
bly.
Fig. 73 Connecting Rod Guides—Typical
1 - SPECIAL TOOL 8388 CONNECTING ROD GUIDES
ENGINE 1.6L SOHC 9 - 49