190E 2.6 (201.029) L6-2.6L (103.942) (1987)
Thermostat: Service and Repair
Thermostat Housing
KEY TO IMAGE
A To crankcase
B From cylinder head
C To radiator (top)
D From radiator (bottom)
E
From heater
12
Screw
11
Top section of coolant thermostat housing
10
0-ring
15
Main valve
14
Bypass valve
8
Coolant thermostat
9
Ball valve
REMOVAL
1. Drain coolant at radiator.
2. Unscrew bolts (12), tightening torque 6 Nm (4.5 ft lbs).
3. Place top section of coolant thermostat housing (11) with connected hose to the side.
4. Remove coolant thermostat (8).
INSTALLATION
-
Renew 0-ring (10).
-
Install coolant thermostat (8) so that the ball valve (9) is at the highest point.
-
Install in the reverse order.