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Information Porsche Cayenne I facelift

Cooling 5 illustrations ~314 words

Information

  1. The engine does not need to be removed in order to remove the large coolant pipe at the bottom.
  2. The large one-piece coolant pipe (at the bottom) will be damaged irreparably during removal and is replaced by a multi-piece coolant pipe comprising a pipe, connection piece, two clips and a hose.
  3. If the old plastic coolant pipes (heater pipes and lower coolant pipe) are leaking, all pipes must always be replaced (not just the sealing rings).
  4. When removing the old plastic coolant pipes, replace them with the metal coolant pipes.
  1. Drain cooling system. «> 193817 Draining and filling coolant (includes bleeding)»(ref-274617-S13698919752007121900000)
  2. Disconnect the battery.
  3. Remove intake-air distributor. Refer to «24 46 19 Removing and installing intake-air distributor - as of MY 2003 (Cayenne S TIP, Cayenne S MAN, Cayenne Turbo, Cayenne Turbo S, Cayenne S TIO Titan)»(ref-274612-S23373008862007121900000) .
  4. Close off intake openings to prevent dirt or small parts from falling in.

Scheme 90

Scheme 90: Upper Coolant Pipes (Heater Pipes)
Scheme 90: Upper Coolant Pipes (Heater Pipes)
1Thermostat housing
2Screw
3Sealing ring
4Heater pipes
5Two-part holder (top & bottom)
6Screw
7Sleeve
8Sealing ring

Scheme 91

Scheme 91: Lower Coolant Pipes
Scheme 91: Lower Coolant Pipes
1Temperature sensor
2Screw plug
3Sealing ring
4Cable holder (clip)
5Seal
6Sealing rings
7Lower coolant pipe
8Clip
9Coolant hose
10Coolant connection piece

Scheme 92

Scheme 92: Removing upper coolant pipes (heater pipes)
Scheme 92: Removing upper coolant pipes (heater pipes)

1. Open both cable holders and press wire harness to one side -arrows- .

Scheme 93

Scheme 93
Scheme 93

2. Unclip vent line and remove three screws -arrows- .

3. Remove holder for the three coolant pipes. To do this, remove the top part of the plastic holder by releasing the locking lugs (press them together) and pull it up and off -arrows- .

Scheme 94

Scheme 94
Scheme 94

4. Loosen connected coolant hoses on the upper coolant pipes and pull them off.

5. Remove housing cover on coolant regulator. Remove housing cover with the attached heater pipes. See 19 58 19 Removing and installing coolant regulator (thermostat) - as of MY 2003 (Cayenne S TIP, Cayenne S MAN, Cayenne Turbo, Cayenne Turbo S, Cayenne S TIO Titan) . The thermostat insert remains fitted.

6. Set down housing cover for coolant regulator with the attached heater pipes.

7. Pull the coolant pipes -4- out of the housing cover -1-. (Scheme 90)