buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

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Spark Plug Wire <--> [Ignition Cable] > < Crankshaft Rotation

Riviera V6-3.8L SC VIN 1 (1995)

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Timing Marks and Indicators: Locations
Timing Marks

The ignition timing is completely controlled by the Powertrain Control Module (PCM). No timing reference marks are provided.
 

Spark Plug Wire <--> [Ignition Cable] > < Crankshaft Rotation