FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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Cadillac
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1999
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DeVille Concours V8-4.6L VIN 9
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Engine
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Tune-up and Engine Performance Checks
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Spark Plug
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Specifications
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Spark Plug Gap
Spark Plug Gap
Spark Plug Gap
1.27 mm (0.050 in)