Porshe 911 (997). Manual - part 156

- Preliminary work
- Removing secondary air pump
- Installing secondary air pump
- Subsequent work

Preliminary work

Preliminary work for removing secondary air pump

1. Remove intake distributor, cylinder bank 1-3 → 244619 Removing and installing intake distributor -

chapter on "removing".

2. Pull off cable plug from the knock sensor.

Removing secondary air pump

Removing secondary air pump

Wiring harness for secondary air pump

1. Remove cable duct from the secondary air pump -2- . To do this, remove a fastening screw behind the

secondary air pump -1- .

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Cable duct for secondary air pump

2. Pull off and release front fastening of cable duct -arrows- .

3. Detach cable plug from secondary air pump.

Knock sensor and secondary air pump

4. Remove cable plug from knock sensor -1- . Unscrew union nut of pressure line (a/f 22) -2- .

Secondary air pump with bracket

5. Remove fastening screws from the secondary air pump -1- .

6. Remove secondary air pump from crankcase and replace seal. Clean sealing surfaces and plug the

opening with a cloth.

Installing secondary air pump

Diagnostic system: reading out fault memory and activating systems

Removing secondary air pump

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Installing secondary air pump

Secondary air pump seal

1. Replace seal between secondary air pump and crankcase, clean the surfaces and turn the seal to fit

exactly on two pre-fitted fastening screws → Secondary air pump seal .

Secondary air pump with bracket

2. Place the secondary air pump with the prefitted screws and the seal in the installation position.

Carefully insert the pressure line in the secondary air pump. Position the three fastening screws and
tighten them. → Tightening torque: 7.5 ftlb. . Position and tighten pressure line union nut -2- .

Knock sensor and secondary air pump

3. Connect cable plug to knock sensor

-1-

 .

Diagnostic system: reading out fault memory and activating systems

Installing secondary air pump

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Wiring harness for secondary air pump

4. Fit cable plug and cable duct → Wiring harness for secondary air pump → Tightening torque: 7.5 ftlb. .

5.

Subsequent work

Work subsequent to installing secondary air pump

1. Install intake distributor, cylinder bank 1-3 → 244619 Removing and installing intake distributor - chapter

on "installing".

997110, 997111, 997120, 997121, 997310, 997311, 997320, 997321, 997410, 997411, 997430, 997431,
997610, 997611, 997620, 997621

WARNUNG

Gefahr des Verlusts der Text-Bild-Zuordnung beim Ausdruck.

Aus technischen Gründen kann derzeit nicht ausgeschlossen werden, dass trotz
einwandfreier Darstellung auf dem Bildschirm beim Ausdruck der
Zusammenhang von Text und zugehörigem Bild verloren geht.

• 

Wird der Fehler nicht bemerkt, besteht die Gefahr, daß Arbeiten nicht korrekt
durchgeführt werden und es dadurch zu Personen- und Sachschäden kommt.

• 

→ Vergleichen Sie deshalb nach dem Druckvorgang unbedingt die Ausdrucke mit der
Bildschirmdarstellung. Korrigieren Sie die Ausdrucke im Fehlerfall so, daß der Inhalt der
Bildschirmdarstellung zutreffend wiedergegeben wird.

WARNING

Diagnostic system: reading out fault memory and activating systems

 Subsequent work

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