Service procedures - cooling system Group 22
142
Coolant manifold seals,
replacing
Special tools: 999 6662
Removal
1
Switch off at main circuit breaker/disconnect batteries.
2
Drain the coolant.
7
Remove connections and pipes as one unit.
8
3
Disconnect the rear coolant pipe from the oil cooler
4
Remove screws (4) that hold the oil cooler to the center plate
on the engine block.
5
Disconnect the oil cooler from the front coolant pipe.
6
Disconnect all pipe connections.
Disconnect electrical cables and engine temperature sen-
sor.
9
Disconnect the coolant pipe from the thermostat housing.
10
Remove the sealing rings (3) from the coolant pipe.