Daewoo Musso. Manual - part 121

1D1-4  M162 ENGINE COOLING

DIAGNOSIS

3. Connect the special tool to the reservoir filler cap and apply

1.4 bar of pressure.

SYSTEM LEAKAGE TEST

Tools Required

124 589 15 21 00  Tester

Test Procedure

1. Loosen the cap a little and release pressure and remove

the cap.

Notice

For the risk of scalding, cap must not be opened unless the
coolant temperature is below 90°C.

2. Fill coolant up to upper edge (arrow) of reservoir.

Tester 124 589 15 21 00

4. If the pressure on the tester drops, check leakage at the  all

coolant hoses and pipes and each connections. Replace
or retighten if necessary.

M162 ENGINE COOLING  1D1-5

MAINTENANCE AND REPAIR

ON-VEHICLE SERVICE

COOLANT DRAIN AND FILL UP

Draning & Filling up Procedure

1. Loosen the cap a little and release pressure and remove

the cap.

Notice

For the risk of scalding, the cap must not be opened unless
the coolant temperature is below 90

o

C.

2. Loosen the radiator lower drain cock and drain the coolant.

Notice

Collect coolant by using a proper container.

3. Drain the coolant from the crankcase by inserting a hose

(dia. 14mm) onto the drain bolt on the side of crankcase
(exhaust manifold) and by loosening the plug.

Notice

l

Just loosen the drain plug to drain the coolant and do
not remove the plug completely.

l

Collect coolant by using proper container.

4. After complete draining of the coolant, remove the hose

connector to drain plug and reinstall the drain plug.

Installation Notice

5. Tighten the radiator lower drain cock.

Tightening Torque

30 Nm

1D1-6  M162 ENGINE COOLING

6. Remove the de-aeration hose clamp in the coolant pump

and remove the de-aeration hose.

7. Fill up the coolant through the coolant reservoir tank.

Notice

l

Match the anti-freeze and the water ratio to 50 : 50.

l

Supplement the coolant until the coolant overflows to
the deaeration hose.

8. Insert the de-aeration hose and completely tighten the

clamp.

9. Check the coolant level in the coolant reservoir tank.

10. Warm up(until thermostat is opened) the engine and

recheck the coolant level in the reservoir tank and fill up
the coolant if necessary.

M162 ENGINE COOLING  1D1-7

COOLANT CONNECTION FITTING

Preceding Work : Removal of cooling fan shroud

1 Bolt (M8 X 100, 2 pieces) ............... 22.5-27.5 Nm
2 Engine Hanger Bracket
3 Coolant Outlet Port

Removal & Installation Procedure

1. Drain coolant from the radiator.

2. Remove the hose mounting clamp (5) and disconnect the

coolant hose (6).

3. Remove the two bolts (1), the engine hanger bracket (2)

and coolant outlet port (3).

Installation Notice

4 O-ring
5 Hose Mounting Clamp
6 Hose

Replace the O-ring with new one.

4. Installation should follow the removal procedure in the

reverse order.

5. Fill up the coolant as specified.

6. Check the leaks in the cooling system.

Tightening Torque

22.5 - 27.5 Nm