Inspect cooling system for leaks

AR20.00-P-1010QB

Inspect cooling system for leaks

19.4.06

 

Remove/install

 Danger!

Risk of injury caused by fingers being pinched or crushed when removing, installing or aligning hoods, doors, trunk lids, tailgates or sliding roof.

Keep body parts and limbs well clear of moving parts.

AS00.00-Z-0011-01A

 Danger!

Risk of injury to skin and eyes caused by scalding from contact with hot coolant spray. 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

1

Switch on ignition

2

Adjust heater to maximum heat output

3

Open engine hood and raise to vertical position

Model 203

AR88.40-P-1000P

Model 209

AR88.40-P-1000Q

4

Unscrew cap (1) on coolant expansion reservoir (2).

 Slowly unscrew cap and reduce excess pressure.

5

Check coolant level and antifreeze content coolant.

 If the antifreeze content of the coolant is too low, either antifreeze must be added or the coolant must be replaced.

Drain, fill system with coolant.

AR20.00-P-1142QB

6

Screw test cap (01) onto coolant expansion reservoir (2).

 Test cap

*210589009100

7

Connect pressure pump (02) at test cap (01)

 Pressure pump

*124589242100

8

Apply test pressure to cooling system

 To prevent damage to cooling system, do not exceed stated test pressure

*BE20.30-P-1005-01A



Checking

9

Inspect condition and installation at hose clamps; retighten or replace if necessary



*WH58.30-Z-1001-06A



*WH58.30-Z-1002-06A

10

Check coolant hoses and heater hoses and their connecting points for condition and coolant loss

11

Unscrew test cap (01) at coolant expansion reservoir (2).

  Slowly unscrew test cap and reduce excess pressure.

12

Remove pressure pump (02)

13

Screw cap (1) onto coolant expansion reservoir (2).

14

Close engine hood

Model 203

AR88.40-P-1000P

Model 209

AR88.40-P-1000Q

15

Switch off ignition

Number

Designation

2-stage
cap

BE20.30-P-1005-01A

Test pressure for pressure-testing cooling system

bar gage

1.4

Number

Designation

WH58.30-Z-1001-06A

6 mm socket hexagon on flexible shaft for hose clamps with worm drive

WH58.30-Z-1002-06A

7 mm socket hexagon on flexible shaft for hose clamps with worm drive