Installing Spark Plugs

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NOTE: Broken spark plug electrodes

Bits of electrodes can fall into the combustion chamber

→ Only check electrode gap of spark plugs, but do not bend them.

→ Spark plugs with an incorrect electrode gap must be replaced.

Information

The tightening specifications for the basic engine are stored centrally (→ WM 1001IN TIGHTENING TORQUES, TIGHTENING SEQUENCES, ASSEMBLY OVERVIEWS (CAYENNE S) ).

Tightening Torques and assembly instructions for other assemblies (e.g. chassis, electrics, transmission or body) or for peripheral engine equipment can be found in the corresponding documents.

Information

Use only spark plugs approved by Porsche AG!
Check electrode gap before screwing in a new spark plug .

Check electrode gap in V8 naturally aspirated engine. → Control value: 1.6 mm → Electrode gap of spark plug in V8 naturally aspirated engine

Fig 1: Checking Electrode Gap Of Spark Plug In V8 Naturally Aspirated Engine
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Check electrode gap in V8 turbo engine. → Control value: 0.8 mm → Electrode gap of spark plug in V8 turbo engine

Fig 2: Checking Electrode Gap Of Spark Plug In V8 Turbo Engine
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Tighten spark plugs using special tool Spark Plug Wrench 3122 B . → Tightening spark plugs using spark plug wrench

Fig 3: Tightening Spark Plugs Using Spark Plug Wrench
Courtesy of PORSCHE CARS NORTH AMERICA, INC.