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If you have no spark on the 1991 Subaru Legacy, you should check the spark plugs and spark plug wires for replacement. You should also check the battery and ignition for replacement.
Changing spark plugs on a Subaru is no different from changing spark plugs on any other car. You may have to remove parts of the air induction system to make access easier. Be sure to check the gap on the new ones and use anti-seize on the threads.
Generally, to replace spark plugs on a Subaru vehicle, the spark plug boot should be removed. Then, the old spark plugs should be removed using a socket wrench, and replaced with new ones.
The spark plug gap for a 1995 Subaru Legacy is .044"
Have a look at ; www.carbasics.co.uk
you have to remove the washer bottle and the battery and the air duct then remove the coil packs then spark plugs easy
the last time i changed the spark pluges in my 86 subaru gl wagon, i took the engine out. seriously, it needed a clutch at the time.
when do you change spark plugs
Follow recommendations in your owner's manual.
It is important to know the location of the spark plugs while owning a car. In a 2002 Subaru Impreza WRX there are spark plugs near the bottom of the engine block on each side of the car.
Does it turn over? Does it have fuel? Does it have spark?