REMOVING AND INSTALLING COOLANT THERMOSTAT Drain part of coolant. Installation: Bleed cooling system 17 00 039. Remove cover. Take out thermostat. Check when thermostat begins to open¹) in a sink filled with hot water. Installation: Bracket on thermostat faces forward. 17 00 039 ¹) See Specifications | |
Vehicles after change point in 1982 REMOVING AND INSTALLING COOLANT THERMOSTAT Drain coolant partially. Unscrew cover (1). Installation: Bleed cooling system - see 17 00 039. 17 00 039 | |
Remove thermostat. Replace gasket (2) and seal (3). Installation: Clamp on thermostat faces out. | |
From 1986 models on - letter "A" cast in housing: Install new thermostat, No. 1 713 040, with gasket (4) on cover. | |
Checking Thermostat: Check whether opening temperature agrees with specifications. Check opening temperature by placing thermostat in hot water and compare with stamped opnening temperature. |