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This page is a storehouse for useful technical tips Subaru publishes for the Service Departments at the local dealerships. These PDF's span the gamut of the Subaru model lineup, so you may have to hunt for information relative to your model and year. Questions or comments? Feel free to email me. Braking System ABS System Overview Brake system flushing and bleeding Secondary Circuit Failure in Master Cylinder due to extreme cold Electrical System Battery charging information Checking airbag harness Checking the alternator for trouble Cooling fan operation Daytime Running Lights troubleshooting Depowered Airbag reference sheet Electrical component location reference list Forester Fuel System quick connector Fuse SBF-2 blowing out in Legacy models Grounding system information Headlight aiming Ignition coil testing Ignition operation and diagnosis Ignition relays Improper window operation More on the Supplemental Restraint System Page to help identify different relays in your vehicle Supplemental Restraint System Synchronizing a new remote to the keyless entry system Terminal sliding resistance Use of accessories in the lighter socket Engine 2.2 liter engine overhaul/rebuild 2.2 liter engine timing belt replacement 2.5 liter DOHC engine timing belt replacement 2.5 liter engine knocking/tapping Crankshaft and camshaft reluctors DOHC engine valve adjustment DTC P1507 Emissions system service Engine noise when cold on 1997 2.2/2.5 engines Engine noise when cold on 1999-2000 2.2/2.5 engines Evaporative emissions system Exhaust smell when car is cold Extreme cold weather warmup and OBD-II Fuel and emissions Knock sensor issues Leaking front camshaft seals Legacy belt tension Legacy engine belt guides Legacy knock sensor malfunction Loyale/Justy AC problems Loyale/Legacy Hydraulic Lash Adjusters MIL Strategy 2001 and later On Board Diagnostics system P0440 DTC Subaru engine/transmission fluid change Sulfur smell from exhaust SVX spark plug change information Throttle stop screw Use of oil additives in Subaru engines Where to locate piston and main journal sizes on the engine block Suspension 1995 Legacy suspension squeak Air supension diagnosis Air suspension operation Pop from Legacy suspension Squeak noise from suspension when cold Squeaking SVX struts Subaru steering systems Subaru suspension systems Tire circumference differences and their effect on the AWD system Transmission and Drivetrain 4EAT brake band adjustment 4EAT shift maps/schedules 4EAT transmission/rear differential gear ratios 4EAT trouble codes 4EAT will not go into any gear 5MT clutch replacement 5MT first gear popping out (additional information) 5MT first gear popping out on deceleration Front axles and drive boots Installing a new clutch hub in an older 4EAT No reverse or second gear on 3EAT Rear axle binding on sharp turns Rear differential leaking Repeat planetary gear failure in 4EAT Shifter rattle State emissions testing The Subaru 4EAT transmission Towing a Subaru vehicle Transfer gear phase-matching Two-wheel dyno damage Wheel alignment proceedure Wheel bearing replacement Vent System and Air Conditioning AC hose caution AC is not cool enough AC mechanism and function AC not working on Impreza/Forester AC retrofit for 97-94 models AC retrofit from R-12 to R-134a AC service and testing AC system leak testing AC system pressure testing AC system service regulations AC system technical tips AC system theory Center vent airflow Forester thermal expansion valve Frozen wipers/fresh air scoop Legacy AC chirp Legacy AC compressor Noise from Forester passenger vents Postal Legacy AC system R-134a refrigerant information Refrigerant substitution warning Subaru AC systems SVX evaporative thermosensor replacement Use of dyes in the Subaru AC system Miscellaneous 10 Year Supplemental Restraint System checkup 1996 models and "not ready" notification for OBD-II 1996 OBD-II readiness codes Airbag deployment from hitting tow hooks Car will not take fuel Cold-weather driveability Graphics/Press kit Maintenance Inspections P0130 DTC (O2 sensor) P0440 DTC (Forester) Poor drainage of rocker panels Removing speedometer cable on 4EAT transmission Speed limiter on Legacy Subaru Scheduled Maintenance Subaru VIN decoder What each portion of a Subaru part number means Wiper blade hits "A" pillar Wiper refill chart Standard Disclaimer: Modification of your car involves risks and may void your warranty. I can not be held responsible for the modifications you consciously decide to undertake nor for the results of doing so.