Specifications

AC304173
AB
CYLINDER BLOCK
DRAIN PLUG
INTAKE MANIFOLD
MAINTENANCE SERVICE
TSB Revision
GENERAL
00-51
2. Drain the water in the water jacket by unplugging the drain
plug of the cylinder block.
3. Remove the reserve tank and drain the coolant.
4. Drain the cooling water then clean the path of the cooling
water by injecting water into the radiator from the radiator
cap area.
AC304677
AB
CYLINDER BLOCK
DRAIN PLUG
5. Apply the designated sealant to the screw area of the
cylinder block drain plug, and then tighten to the standard
torque.
Specified sealant: 3M™ AAD Part No.8731 or equiva-
lent
Tightening torque: 44 ± 5 N⋅ m (33 ± 3 ft-lb)
6. Securely tighten the drain plug of the radiator.
7. Assemble the reservoir tank.
CAUTION
Do not use alcohol or methanol anti-freeze or any engine
coolants mixed with alcohol or methanol anti-freeze. The
use of an improper anti-freeze can cause corrosion of the
aluminum components.
AC200579
AB
AIR HOSE
MB991871
8. By referring to the section on coolant, select an appropriate
concentration for safe operating temperature within the
range of 30 to 60 %. Use special tool MB991871 to refill the
coolant. A convenient mixture is a 50 % water and 50 %
antifreeze solution [freezing point:
−31° C (−32.8 ° F)].
Recommended antifreeze: Long Life Antifreeze
Coolant or an equivalent
Quantity: 7.0 dm
3
(7.4 quarts)
NOTE: For how to use special tool MB991871, refer to its
manufacturer’s instructions.
9. Reinstall the radiator cap.
10.Start the engine and let it warm up until the thermostat
opens.
11.After repeatedly revving the engine up to 3,000 r/min several
times, then stop the engine.
12.Remove the radiator cap after the engine has become cold,
and pour in coolant up to the brim. Reinstall the cap.
CAUTION
Do not overfill the reserve tank.
13.Add coolant to the reserve tank between the "FULL" and
"LOW" mark if necessary.