Jaguar X-Type Sedan and Estate (Wagon). Service manual — part 128

Published: 11-May-2011

Engine System - General Information - Piston Diameter

General Procedures

General Equipment

Micrometer

1. NOTE: Mark the piston to make sure the piston is installed correctly.

Using a

Micrometer

measure the piston diameter.

Published: 11-May-2011

Engine System - General Information - Piston Inspection

General Procedures

1.

CAUTION: Do not use any aggressive cleaning fluid or a wire brush

to clean the piston.

Carry out a visual inspection.

Clean the piston skirt, pin bush, ring grooves and crown and check
for wear or cracks.

If there are signs of wear on the piston skirt, check whether the
connecting rod is twisted or bent.

Published: 11-May-2011

Engine System - General Information - Piston Pin Diameter

General Procedures

1. NOTE: The piston and piston pin are a matched pair. Do not mix up the
components.

Measure the piston pin diameter.

Measure the diameter in two directions.

If the values are not to specification, install a new piston and a
new piston pin.

Published: 11-May-2011

Engine System - General Information - Piston Pin to Bore Diameter

General Procedures

1. NOTE: The piston and piston pin form a matched pair. Do not mix up
the components.

Measure the diameter of the piston pin bore.

Measure the diameter in two directions.

If the values are not to specification, install both a new piston and
a new piston pin.