Porshe 911 (997). Manual - part 104

19 50 19 Removing and installing coolant pump - as
of MY 2005

- Preliminary work
- Removing coolant pump
- Installing coolant pump
- Subsequent work

Preliminary work

Preliminary work

1. Remove air cleaner housing → 242519 Removing and installing air cleaner housing - chapter on

"Removing".

2. Relieve and remove drive belt → 137819 Removing and installing drive belt - chapter on "Removing".

WARNING

Danger of injury from hot engine parts.

Risk of burns, damage to skin, injury to the eyes.

• 

→ Do not work on the engine while it is

hot.

WARNING

Coolant is hazardous to health

Irration of skin

• 

→ Wear protective gloves and goggles

→ In case of contact with the skin or eyes, wash immediately with plenty of water!

3. Drain coolant on engine → 193817 Draining and filling coolant - chapter on "Draining"

573

Coolant pump coolant feeder hose

4. Remove coolant hose from reservoir to coolant pump -1- . Collect emerging coolant in a clean container.

5. Remove both catalytic converters → 267319 Removing and installing catalytic converter - chapter on

"Removing".

WARNING

Risk of falling engine.

Danger of material damage and injury.

• 

→ Support engine at all

times.

6. Support engine in installation position with a transmission jack.

Engine carrier

7. Remove engine carrier → 103019 Removing and installing engine carrier - chapter on "Removing".

Removing coolant pump

Removing coolant pump

Diagnostic system: reading out fault memory and activating systems

Preliminary work

574

Screw arrangement for coolant pump

WARNING

Coolant is hazardous to health

Irration of skin

• 

→ Wear protective gloves and goggles

→ In case of contact with the skin or eyes, wash immediately with plenty of water!

1. Unscrew seven fastening screws (two M6 x 30 -2- , five M6 x 25 -1- ) to coolant pump, remove pump.

Connection points for coolant pump combination seal

2. Cut through seal webs -arrows- in the combination seal, remove old

seal.

Installing coolant pump

Installing coolant pump

1. Clean sealing face of coolant pump with solvent naphtha or acetone, remove with emery cloth if

necessary and then degrease.

Diagnostic system: reading out fault memory and activating systems

Removing coolant pump

575

Sealing faces on crankcase

2. Clean sealing face on crankcase with solvent naphtha or acetone. Remove any residues beforehand

with an emery cloth.

Separating combination seal for coolant pump

3. Separate new combination seal at the dot-dash line.

4. Position coolant pump with new seal on crankcase using two screws, note position of dowel sleeves.

Screw arrangement for coolant pump

5. Position remaining screws. The longer screws (M6 x 30) -2- are installed at the dowel sleeve

position.

6. Tighten all screws equally in diagonally opposite sequence. → Tightening torque: 10 (7.5 ftlb.) Nm

7. Position drive belt on pulley.

Subsequent work

Diagnostic system: reading out fault memory and activating systems

Installing coolant pump

576