287020 Removing and installing spark plugs on DFI engines

WM 287020 Removing and installing spark plugs on DFI engines

Tools





Technical values






Preliminary work

1. Switch off ignition and remove ignition key.

Remove bar ignition modules. => 282020 Removing and installing DFI bar ignition modules - section on "Removing"

Removing spark plugs

CAUTION

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

- Use only spark plugs approved by Porsche AG.

- Check electrode gap before screwing in a new spark plug.

1. Remove spark plugs using special tool spark plug wrench 3122 B. => Loosening spark plugs using spark plug wrench





Loosening spark plugs using spark plug wrench

2. Check electrode gap. => Nominal value: 0.9 mm => Maximum value: 1.1 mm => Electrode gap of spark plug in V6 engine





Electrode gap of spark plug in V6 engine

Installing spark plugs

CAUTION

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

- Use only spark plugs approved by Porsche AG.

- Check electrode gap before screwing in a new spark plug.

1. Check electrode gap. => Nominal value: 0.9 mm => Maximum value: 1.1 mm => Electrode gap of spark plug in V6 engine





Electrode gap of spark plug in V6 engine

2. Tighten spark plugs using special tool spark plug wrench 3122 B.=> Tightening torque: 20 Nm (15 ftlb.) => Tightening spark plugs using spark plug wrench





Tightening spark plugs using spark plug wrench

Subsequent work

Install bar ignition modules. => 282020 Removing and installing DFI bar ignition modules - section on "Installing"