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2002/2003 subaru outback does not have one!!!!!!!!
No mention of a block heater in the service manual. It appears that they install heaters on the left side rear of the engine. Of course this type of heater plugs in to household power so if you have one it should be fairly easy to find the cord/plug and trace it back to the heater.
Since they no longer make a 2001 Subaru Outback, it depends on whether yours was equipped with one. It was an option so if you are asking if every one had a block heater, the answer is "no".
Do you mean where on a car is a block heater install or who do you take the car to to install?
Directly below the alternator on the block.
Remove and engine block expansion plug. Insert the block heater. Seal the block heater. Attached the wiring harness to the block heater.
where is the engin block heater on a 2007 Ion
The low pressure Freon port on a 2005 Subaru Outback is located on the center of the engine compartment, in front of the engine block. It has a yellow cap.
That particular make and model of car does not have a block heater!
Install block heater in lower rad hose .
It is located on the engine block drivers side.