Operation CHARM
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Pontiac
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1993
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Firebird V6-204 3.4L
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Engine
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Engine Overhaul (Unit Repair)
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Cleaning, Inspection and Repair
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Timing Chain and Sprockets
Timing Chain and Sprockets
TIMING CHAIN
AND SPROCKETS
Inspect
^
Camshaft
and crankshaft sprockets (98 and 26) for wear or nicks.
^
Key and
crankshaft
keyway for wear or nicks.
^
Timing chain
(25) for wear or binding.