Defender. Manual — part 66
Engine System - General Information - Cylinder Block Distortion
General Procedures
1. Using a Straight Edge and a Feeler Gauge, measure the
cylinder block/cylinder head distortion.
Measure the mating face distortion.
If the value is not to specification rework the mating
face (if allowed).
Engine System - General Information - Exhaust Manifold Cleaning and
Inspection
General Procedures
1. Inspect the cylinder head joining flanges of the exhaust
manifold for evidence of exhaust gas leaks.
2. Inspect the exhaust manifold for cracks, damaged gasket
surfaces, or other damage that would make it unfit for
further use.
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.
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.
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