911 Turbo AWD F6-3600cc 3.6L SOHC Twin Turbo (1997)
Spark Plug: Service and Repair
REPLACING THE SPARK PLUGS
Operations performed from above:
1. Take off intercooler.
NOTE:
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The rear square-head nuts of the lower intercooler mount may drop off after they have been undone.
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Plug pressure pipes between intercooler and turbocharger (to prevent ingress of foreign matter).
2. Remove heater blower.
Operations performed from below:
NOTE: The spark plugs of cylinders No. 1 to 5 are accessible from above while the spark plug of cylinder No. 6 is accessible from below.
1. Take off rear wheels.
2. Take off both rear mufflers.
3. Unbolt pressure pipes form turbocharger and pull off, working from engine compartment. Plug turbocharger openings (to prevent ingress of
foreign matter).
4. Removing spark plug of cylinder No. 6:
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Take off intake pipe between turbocharger and intake rail