86subaru Posted August 2, 2009 Share Posted August 2, 2009 my 97 outback 2.2 a.t awd, 174,000 mi goes though alot of after , but i changed it to amsoil 10w 40 , all sealed up no leaks drips anything on top or underneith , no smoke out back air box clean, any suggestions ??? i have driven 1800 mi and added 1 qt, no oil in coolant , mpg 24 city, motor sound great, Link to comment Share on other sites More sharing options...
EVOthis Posted August 2, 2009 Share Posted August 2, 2009 (edited) If your 100% sure there are no leaks internally or externally...and your using around 1 quart in about 2k miles..Personally I wouldnt think to much into it..as you mentioned the car has 174,000 miles... Edited August 2, 2009 by EVOthis Link to comment Share on other sites More sharing options...
idosubaru Posted August 2, 2009 Share Posted August 2, 2009 are you sure it's not leaking somewhere? has it always been like this or started recently? some leaks won't show themselves right away. oil is coagulating behind timing belt covers or in cracks and crevices before it makes it's way down to the cross member and drips. if it's not leaking i'm with him and wouldn't worry about it. a quart every 2,000 miles is annoying but at the same time if you keep oil in it it'll run another 100,000 miles without getting worse probably. Link to comment Share on other sites More sharing options...
86subaru Posted August 2, 2009 Author Share Posted August 2, 2009 would a heavier weight oil help like 20w50 Link to comment Share on other sites More sharing options...
idosubaru Posted August 2, 2009 Share Posted August 2, 2009 it may, certainly be fine for the summer. might make it a bit sluggish starting in the winter if it's really cold, but you probably won't notice. i've used 20w50 in subaru's before and noticed no problems. i'd also install a new Subaru PCV valve to keep pressure in the crankcase down. Link to comment Share on other sites More sharing options...
nipper Posted August 2, 2009 Share Posted August 2, 2009 New PCV valve, then wash the egine undernath the car, then watch for drips. Subarus can be really sneeky about leaking oil. nipper Link to comment Share on other sites More sharing options...
86subaru Posted August 2, 2009 Author Share Posted August 2, 2009 yes your right about the pvc, , already washed underneith no drips , but running amsoil should not cause this, thanks Link to comment Share on other sites More sharing options...
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