Remove/install connection fitting and coolant thermostat housing

AR20.10-S-2715EH

Remove/install connection fitting and coolant thermostat housing

28.10.2019

Engine

622.8 in model 447

1

Coolant thermostat

4

Coolant hose

2

Coolant hose

5

Bolts

3

Coolant hose

 Warning

Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant.

Do not open cooling system unless coolant temperature is below 90 °C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers.
Wear protective gloves, protective clothing and safety glasses.

AS20.00-Z-0001-01A

 Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

Topical note

Notes on coolant

AH20.00-N-2080-01A

 

Remove/install

1

Remove starter.

AR15.30-S-7100EF

2

Remove throttle valve actuator (M16/51).

AR09.41-S-1330EH

3

Remove oil/coolant module.

AR18.20-S-4000EH

4

Remove coolant lines.

AR20.20-S-7440EH

5

Unlock, disconnect and remove coolant hose (2).

AR20.20-P-7441-01RQ

 Collect escaping coolant in a suitable container.

6

Remove coolant hoses (3, 4).

 Collect escaping coolant in a suitable container.

 Hose clamp pliers

*454589003700

7

Remove screws (5) and remove the coolant thermostat (1).

 Collect escaping coolant in a suitable container.

8

Install in the reverse order.

 Warning

Risk of burn injuries, suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust.

Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area.

AS49.00-Z-0001-01A

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

9

Carry out an engine test run; check engine for leaktightness while doing so.