2002 SUBARU IMPREZA transmission

Maintenance and service
11-23
– CONTINUED –
Manual transmission oil Checking the oil level
Check the oil level monthly.
1. Park the vehicle on a level surface and stop theengine.
HGB001DB
Non-turbo model
1) Yellow handle
HGB001JA
Turbo model
HGB034BB
1) Upper level 2) Lower level

Maintenance and service
11-24
2. Pull out the dipstick, wipe it clean, and insert it again.
3. Pull out the dipstick again and check the oil level
on it. If it is below the lower level, add oil through thedipstick hole to bring the level up to the upper level. Recommended grade and viscosity
Each oil manufacturer has its own base oils and ad-
ditives. Never use different brands together.
Oil grade: API classification GL-5
OM-H0205
SAE viscosity No. and Applicable
Temperature Automatic transmission fluid
Checking the fluid level
The automatic transmission fluid expands largely as
its temperature rises; the fluid level differs according
to fluid temperature. Therefore, there are two differ-ent scales for checking the level of hot fluid andcold fluid on the dipstick.
Though the fluid level can be checked without
warming up the fluid on the “COLD” range, we rec-
ommend checking the fluid level when the fluid is at
operating temperature.
Checking the fluid level when the fluid is hot
Check the fluid level monthly.
1. Drive the vehicle several miles to raise the tem-
perature of the transmission fluid up to normal oper-
ating temperature; 140 to 176 °F (60 to 80 °C) is nor-
mal.
2. Park the vehicle on a level surface and set theparking brake.
3. First shift the selector lever in each position. Then shift it in the “P” position, and run the engine at id-
ling speed.

Maintenance and service
11-25
– CONTINUED –
HGB001EB
1) Yellow handle
HBA008BC
A) HOT range
B) COLD range 1) Upper level
2) Lower level 4. Pull out the dipstick and check the fluid level on the gauge. If it is below the lower level on the
“HOT”
range, add the recommended automatic transmis-sion fluid up to the upper level.
Checking the fluid level when the fluid is cold
When the fluid level has to be checked without time
to warm up the automatic transmission, check to see that the fluid level is between the lower level and upper level on the “COLD” range. If it is below
that range, add fluid up to the upper level. Be care-
ful not to overfill. Recommended fluid
“ Dexron III ” Type Automatic Transmission Fluid

Maintenance and service
11-30
If the fluid level is extreme low, it may indicate pos-
sible leakage. Consult your SUBARU dealer for in-spection.
WARNING
Be careful not to burn yourself because the fluid may be hot.
CAUTION
When power steering fluid is being added,
use only clean fluid, and be careful not to al- low any dirt into the tank. And never use dif-
ferent brands together. Avoid spilling fluid when adding it in the
tank.
Recommended fluid
“ Dexron III ” Type Automatic Transmission Fluid
Brake fluid Checking the fluid level
Check the fluid level monthly.
HGB001GB
1) “MAX” level mark
2) “MIN” level mark
Check the fluid level on the outside of the reservoir. If the level is below “MIN”, add the recommended
brake fluid to “MAX”.
Use only brake fluid from a sealed container.

Maintenance and service
11-34
Checking the brake pedal reserve dis- tance
OM-H0225
1) Left hand drive vehicles:
More than 2.56 in (65 mm)
Right hand drive vehicles:
More than 3.35 in (85 mm)
Depress the pedal with a force of approximately 66
lb (294 N, 30 kg) and measure the distance be-
tween the upper surface of the pedal pad and the
floor.
When the measurement is smaller than the specifi-
cation, or when the pedal does not operate smooth-
ly, contact with your SUBARU dealer. Clutch pedal (MT vehicles)
Check the clutch pedal free play and reserve dis-
tance according to the maintenance schedule in the“
Warranty and Maintenance Booklet ”.
Checking the clutch function
Check the clutch engagement and disengagement.
1. With the engine idling, check that there are no
abnormal noises when the clutch pedal is de-
pressed, and that shifting into 1st or reverse feelssmooth.
2. Start the vehicle by releasing the pedal slowly tocheck that the engine and transmission smoothly
couple without any sign of slippage.

Specifications
12-2
Specifications
These specifications are subject to change without notice. Dimensions
in (mm)
Item
SedanWagon
2.5-liter2.0-liter (Turbo)2.5-liter2.0-liter (Turbo)
RSWRXTSOUTBACK SPORTWRX
Drive systemAWD
Transmission typeATMTATMTATMTATMTATMT
Overall length173.4 (4405)
OverallidthSedan68.1 (1730)–widthWagon–66.7 (1695)67.3 (1710)66.7 (1695)
Overall heightWithout roofrail56.7 (1440)57.7 (1465)58.0 (1475)57.7 (1465)
With roofrail–58.5 (1485)58.9 (1495)58.5 (1485)
Wheel base99.4 (2525)
TreadFront58.5 (1485)57.7 (1465)57.5 (1460)57.7 (1465)
Rear58.1 (1475)58.3 (1480)57.3 (1455)
Ground clearance* 15.9 (150)6.1 (155)5.9 (150)6.3 (160)6.1 (155)
*1: Measured with vehicle empty
AT : Automatic transmission MT : Manual transmission

Specifications
12-3
– CONTINUED –
Engine
Engine model
EJ251
(2.5-liter, SOHC, non-turbo)EJ205
(2.0-liter, DOHC, turbo)
Engine typeHorizontally opposed, liquid cooled 4 cylinder, 4-stroke gasoline engine
Displacement cu in. (cc)149.9 (2,457)121.7 (1,994)
Bore × Stroke in. (mm)3.92 × 3.11 (99.5 × 79.0)92.0 × 75.0 (3.62 × 2.95)
Compression ratio10.0 : 18.0 : 1
Firing order1 – 3 – 2 – 4
Electrical system
Battery type
di tEurope modelMT12V-48AH (55D23L)and capacity (5HR)ATWith 2.5-liter engine12V-52AH (75D23L)(5HR)With 2.0-liter engine12V-52AH (65D23L)
Alternator2.5-liter engine12V – 75A
2.0-liter engine12V – 75A
Spark plugs2.5-liter engineBKR6E-11 (NGK)
BKR5E-11 (NGK)
RC10YC4 (Champion)
2.0-liter turbo enginePFR6G (NGK)
AT : Automatic transmission MT : Manual transmission

Specifications
12-4
Capacities
Fuel tank
15.9 US gal (60 liters, 13.2 Imp gal)
Engine oil2.5-liter engine model4.2 US qt (4.0 liters, 3.5 Imp qt)
Turbo engine model4.8 US qt (4.5 liters, 4.0 Imp qt)
Transmission oil (MT)3.7 US qt (3.5 liters, 3.1 Imp qt)
Transmission oil (AT)10.0 US qt (9.5 liters, 8.4 Imp qt)
Power steering gear fluid0.7 US qt (0.7 liter, 0.6 Imp qt)
Engine coolant2.5-liter engine modelMT7.4 US qt (7.0 liters, 6.2 Imp qt)
AT7.3 US qt (6.9 liters, 6.1 Imp qt)
Turbo engine modelMT8.1 US qt (7.7 liters, 6.8 Imp qt)
AT8.0 US qt (7.6 liters, 6.7 Imp qt)
AT : Automatic transmission MT : Manual transmission