Lincoln Aviator: Engine System - General Information / General Procedures - Cylinder Head Distortion
Special Tool(s) /
General Equipment
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
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NOTE:
Make sure all cylinder head surfaces are clear of
any gasket material, silicone sealant, oil and coolant. The cylinder
head surface must be clean and dry before running a flatness check.
NOTE:
Use a Straightedge that is calibrated by the
manufacturer to be flat within 0.005 mm (0.0002 in) per running foot of
length, such as Snap-On® GA438A or equivalent. For example, if the
Straightedge is 61 cm (24 in) long, the machined edge must be flat
within 0.010 mm (0.0004 in) from end to end.
Using a Straightedge and a Feeler Gauge Set, inspect the cylinder head for flatness in the sequence shown.
Use the General Equipment: Feeler Gauge
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
Measure the cylinder bore at the top, middle and bottom
of piston ring travel in 2 directions as indicated...
Special Tool(s) /
General Equipment
Feeler Gauge
Cleaning
Clean the exhaust manifold using a suitable solvent. Use
a plastic scraping tool to clean the gasket sealing surfaces...
Other information:
California Civil Code Section 1793.2(d)
requires that, if a manufacturer or its
representative is unable to repair a motor
vehicle to conform to the vehicle’s applicable
express warranty after a reasonable number
of attempts, the manufacturer shall be
required to either replace the vehicle with
one substantially identical or repurchase the vehicle and reimburse the buyer in
an
amount equal to the actual price paid or
payable by the consumer (less a reasonable
allowance for consumer use)...
Special Tool(s) /
General Equipment
Rust Protection Coating Gun
Undercoating Gun
Materials
Name
Specification
ValuGard™ Premium UndercoatingVG101, VG101A
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ValuGard™ Rust InhibitorVG104, VG104A
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Motorcraft® Metal Surface Prep WipesZC-31-B
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Repair
NOTE:
Undercoating
NOTE:
The following illustrations are not vehicle specific and are intended for reference only...