Daewoo MUSSO Service Manual page 298

Tools Required
102 589 00 15 00 Drift
Replacement Procedure
1. Remove the intake and exhaust manifolds.
2. Pull back the core plug until the end of one side comes out
using the screw driver.
3. Pull out the plug carefully using a pliers.
4. Clean the sealing surface and apply Loctite 241.
5. Press in new plug using a drift.
Notice
Wait for about 45minutes before filling the coolant so that
the Loctite 241 hardens.
6. Warm up the engine and check the coolant for leaks.
M161 ENGINE MECHANICAL 1B2-107