Remove/install coolant pump housing

AR20.10-P-1270GG

Remove/install coolant pump housing

23.3.12

2.3.12

Test sequence revised

Operation step 1 to 12

AP13.22-P-1351-01A

 

Remove/install

Danger!

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

Drain coolant

at radiator and crankcase

AR20.00-P-1142GG



Notes on coolant

All engines

AH20.00-N-2080-01A

2

Disconnect ground cable from battery

AR54.10-P-0003G

3

Remove viscous fan clutch

AR20.40-P-5660GG

4

Remove air filter housing complete

5

Loosen coolant pump belt pulley bolts (5)



 Place a counterholder on the coolant pump belt pulley (5).

*603589004000



*BA20.10-P-1001-01A

5

Remove poly-V belt

 Check poly-V belt, belt pulley profile and clamping device for damage and soiling; replace if necessary.

AR13.22-P-1202GG

Check poly-V belt; damage profile

see maintenance manual Volume 3 Work Item 1351

AP13.22-P-1351-01A

6

Take off belt pulley of coolant pump (5)

7

Disconnect coolant hoses (12, 13) to coolant pump housing

 Check condition of coolant hoses and hose clamps; replace if necessary.

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

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

8

Unscrew alternator (11)

 Attach to the side in the vehicle with attached lines.

9

Remove coolant pump housing (16) together with coolant pump (17).

 Installation: Clean sealing surfaces.

Replace gasket (14).

Pay attention to dowel pins (15)



*BA20.10-P-1003-01A

10

Remove coolant pump (17) on coolant pump housing (16)

 Installation: Clean sealing surfaces

Replace gasket (10)

Pay attention to dowel sleeves (9)



*BA20.10-P-1002-01A

11

Install in the reverse order

12

Inspect cooling system for leaks

AR20.00-P-1010HA

13

Read/erase fault memory.

Stored faults possibly caused by previous simulation or by cables disconnected in the process of installation or testing must be processed and erased in the DTC memories once all work is completed.

Diagnosis manual for cross-country vehicle, Register 0: connection and use of testing supplies.

Number

Designation

Engine
604, 605, 606

BA20.10-P-1001-01A

Screw/bolt, pulley to coolant pump

Nm

10

BA20.10-P-1002-01A

Screw/bolt, coolant pump to coolant pump housing

Nm

10

BA20.10-P-1003-01A

Screw/bolt, coolant pump housing to cylinder crankcase

Nm

10