Replacement of pre-heating thermostat in the air cleaner housing: Method: Remove:

Fig 1: Locating Pre-Heating Thermostat (1 Of 2)

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Locating Pre-Heating Thermostat (2 Of 2)

Courtesy of VOLVO CARS OF NORTH AMERICA.

Remove: 

• air cleaner cover
• air cleaner

Remove thermostat from preheater assembly 

Press cover plate with thermostat against preheater door and lift in the direction of the arrow.

Remove the old thermostat and install the new thermostat in the cover plate. 

Reinstall cover plate and the new thermostat in preheater assembly. 

Reinstall: 

• Air cleaner
• Air cleaner cover