Lincoln Aviator: Engine System - General Information / General Procedures - Valve Stem Diameter
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
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Measure the diameter of each intake and exhaust valve
stem at the points shown. Verify the diameter is within specification.
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
NOTE:
Valve guides tend to wear in an hourglass pattern.
The ball gauge can be inserted into the combustion chamber side of the
valve guide, if necessary...
Other information:
The body consists of the following:
Front bumper constructed of high-strength aluminum
Rear bumper constructed of Boron and HSLA ultra high-strength steels
Front frame rails constructed of high-strength aluminum
Rear frame rails constructed of Boron ultra high-strength steel
Fender reinforcement tube constructed of Dual Phase (DP) 800 high-strength steel
Cast aluminum fender apron assembly
Liftgate outer panel constructed of mild steel
Body structure constructed of Boron, Dual Phase (DP) and high-strength steels
Roof panel reinforcements constructed of Dual Phase (DP) 600 and mild steel
Bolted, removable front fenders, hinged doors and hood
Bodyside outer panels constructed of mild steel
Steel hood hinges
Mastic pads used on floor pan for sound deadening
Front End Panel Margining
NOTE:
Margining specifications apply to left hand (LH) and right hand (RH) side of the vehicle unless stated...
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