20 Most Recent 2001 Subaru Outback - Page 3 Questions & Answers

Security issues on this year of vehicle are often related to faulty or going bad car battery (have it tested at Wally World free) or worn ignitions...Ask your local Subie dealer nicely if they'd "clear" the code for you.
Good Luck

P0304 Cylinder #4 - Misfire Detected P0483 Cooling Fan Rationality Check Malfunction

check and bleed the air out of the clutch system first.

Try another bulb incase first one is faulty

Loosen power stearing tensioner remove belt install new re-adjust

check your transmission fluid level may be low.

rack and pinion leaking internally. Fluid gets hot/warm, gets thinner, then starts to bypass seals and such in the rack/pinion or pump.

Yes,firstly just look for leak,crack or deformation.(brake vacuum drum).

Its a very long process to change. Fixya limits your posts to 10,000 letters or less, my version of the procedure is well over 25,000 letters long, so you might want to purchase a repair manual from your local autoparts store, or have a shop do the job for you. The info your got is probably correct, as these do spring leaks, and your car is 13 years old.

Engine Oil Stop Leak And Seal Conditioner - Additive Change You Oil To A Thicker Brand / Weight like 20/50 You Can Get Both at A Local Parts House , Oh Slow Down No High Speeds Unless Ya Like Walking ...

You probably have a bad drive shaft/half shaft.

check for a relay in the fuse box in the engine compartment.marked headlamp tap with the switch on and ignition on and see if it comes on or flashes replace the relay.

either the headlight switch is defective or the dimmer is, it can't be anything else, do the hi beams work ok, have you tried wiggling the dimmer switch to see if the low beams flicker?