For the LH side remove the screen washer bottle (two screws and two hoses). For the RH side remove the air inlet ducting (two screws on the radiator crossmember, a bolt and a nut secure the rest of the ducting). Remove the plug leads by pulling on the lugs, not the cable. The plugs are best removed using a 3/8" drive 5/8" (16mm) spark plug socket on a 6" (150mm) extension, and a ratchet.
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You may have a bad valve, did you replace the rotor and cap? Check the cap for cracks.
To change the freeze plugs on a 2000 Subaru Outback, first drain the coolant and remove any components obstructing access to the freeze plugs. Use a punch or a screwdriver to carefully tap out the old freeze plugs. Clean the surfaces where the new plugs will be installed, then apply a sealant if desired, and press the new freeze plugs into place, ensuring they are seated properly. Finally, reassemble any removed components and refill the cooling system with coolant.
To change the spark plugs on a 1997 Subaru Outback, first, ensure the engine is cool and disconnect the negative battery terminal. Remove the engine cover if necessary, then carefully disconnect the ignition wires or coils from the spark plugs. Use a spark plug socket and ratchet to unscrew the old plugs and replace them with new ones, ensuring they are properly gapped. Finally, reconnect the ignition wires or coils and the battery terminal.
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.
gaps on all plugs should be .039-.043 inches
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.
un bolt it from the back side and take the plugs out, might have to take the carpet or plastic pieces in trunk out to access it, ive never done it on a subaru but i have on every other kind of car
Have a look at ; www.carbasics.co.uk
The spark plug gap, for your 2000 Subaru 2.5 liter engine, is .007. Most spark plugs will be pre-gapped by the spark plug manufacturer.
For a 1997 Subaru Outback, spark plugs should typically be changed every 30,000 to 60,000 miles, depending on the type of spark plugs used. If using standard copper spark plugs, more frequent changes closer to 30,000 miles are advised, while platinum or iridium plugs can last longer. It's also a good idea to check the owner's manual for specific recommendations and to monitor engine performance for any signs of wear. Regular maintenance can help ensure optimal engine performance.