Cooling System - Lower Radiator Hose Coolant Leaks

Cooling System - Lower Radiator Hose Coolant Leaks
Date: November 25, 2003
Order No.: T-B-20.20/25
Supersedes:
Group: 20
SUBJECT:
Model 163.154 with Engine 112.942
Model 163.157 with Engine 112.970
Model 163.172 with Engine 113.942
Model 163.174 with Engine 113.981
Model 163.175 with Engine 113.965
Coolant Loss On Lower Radiator Hose
If you receive customer reports in the above model vehicles of coolant loss on the lower radiator hose please replace the lower radiator hose and
hose clamps with the new respective part numbers indicated below.
Note:
Do not replace the radiator. Install new lower radiator hose with the new hose clamps.
1. Drain coolant. Reference WIS document no. AR20.00-P-1142HA.
2. Remove lower radiator hose and dispose the removed lower radiator hose and clamps.
3. Install new lower radiator hose and hose clamps. Torque hose clamps to 3 Nm.
4. Pour in coolant. Reference WIS document no. AR20.00-P-1142HA.
Parts Information

2000 Mercedes Benz Truck ML 55 AMG (163.174) V8-5.5L (113.981) 241