Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSHONDA2009CIVIC SI, 4D SEDANREPAIR AND DIAGNOSISGENERAL INFORMATIONOEM GENERAL INFORMATIONBODY & DESIGN SPECIFICATIONS (EXCEPT GX & HYBRID)DESIGN SPECIFICATIONS
2009 Honda Civic Si, 4D Sedan
Design Specifications
2009 Honda Civic Si, 4D SedanSECTION Design Specifications
STANDARDS AND SERVICE LIMITS - DESIGN SPECIFICATIONS
| Item | Measurement | Qualification | Specification |
|---|---|---|---|
| DIMENSIONS: 4-door | Overall length | 4, 489 mm (176.7 in.) | |
| Overall width | 1, 752 mm (69.0 in.) | ||
| Overall height | 1, 435 mm (56.5 in.) | ||
| Wheelbase | 2, 700 mm (106.3 in.) | ||
| Track | Front | 1, 499 mm (59.0 in.) | |
| Rear | 1, 528 mm (60.2 in.) | ||
| Ground clearance | 154 mm (6.1 in.) | ||
| Seating capacity | Five (5) | ||
| DIMENSIONS: 2-door | Overall length | 4, 440 mm (174.8 in.) | |
| Overall width | 1, 751 mm (68.9 in.) | ||
| Overall height | 1, 359 mm (53.5 in.) | ||
| Wheelbase | 2, 650 mm (104.3 in.) | ||
| Track | Front | 1, 499 mm (59.0 in.) | |
| Rear | 1, 526 mm (60.1 in.) | ||
| Ground clearance | 154 mm (6.1 in.) | ||
| Seating capacity | Five (5) | ||
| WEIGHT | Gross Vehicle Weight Rating: 4-door (GVWR) | DX, DX-G, and LX | 1, 665 kg (3, 671 lbs) |
| EX | 1, 695 kg (3, 737 lbs) | ||
| Si | See | ||
| Gross Vehicle Weight Rating: 2-door (GVWR) | DX, DX-G, and LX | 1, 645 kg (3, 627 lbs) | |
| EX | 1, 665 kg (3, 671 lbs) | ||
| Si | 1, 725 kg (3, 803 lbs) | ||
| R18A1 engine | Type | Water cooled, 4-stroke SOHC i-VTEC gasoline engine | |
| Cylinder arrangement | Inline 4-cylinder, transverse | ||
| Bore and stroke | 81.0 x 87.3 mm (3.19 x 3.44 in.) | ||
| Displacement | 1, 799 cm3 (110 cu in.) | ||
| Compression ratio | 10.5 | ||
| Valve train | Chain drive, SOHC i-VTEC 4 valves per cylinder | ||
| Lubrication system | Forced, wet sump, with trochoid pump | ||
| Oil pump displacement | At 6, 800 rpm | 52.3 L (55.3 US qt, 46.0 lmp qt)/minute | |
| Water pump displacement | At 6, 000 rpm | 104 L (110 US qt, 110 lmp qt)/minute | |
| Fuel required | Regular UNLEADED gasoline with 87 Pump Octane Number or higher | ||
| K20Z3 engine | Type | Water cooled, 4-stroke DOHC i-VTEC gasoline engine | |
| Cylinder arrangement | Inline 4-cylinder, transverse | ||
| Bore and stroke | 86 x 86 mm (3.39 x 3.39 in.) | ||
| Displacement | 1, 998 cm3 (122 cu in.) | ||
| Compression ratio | 11.0 | ||
| Valve train | Chain drive, DOHC i-VTEC 4 valves per cylinder | ||
| Lubrication system | Forced, wet sump, with trochoid pump | ||
| Oil pump displacement | At 6, 000 rpm | 54.3 L (57.4 US qt, 47.8 lmp qt)/minute | |
| Water pump displacement | At 6, 000 rpm | 82 L (87 US qt, 72 lmp qt)/minute | |
| Fuel required | Premium UNLEADED gasoline with 91 Pump Octane Number or higher | ||
| STARTER | Type | Gear Reduction | |
| Nominal output | 1.0 kW | ||
| Nominal voltage | 12 V | ||
| Hour rating | 30 seconds | ||
| Direction of rotation | Counterclockwise as viewed from drive end | ||
| CLUTCH | Clutch | Single plate dry, diaphragm spring | |
| Clutch friction material surface area | R18A1 engine model | 221 cm2 (34.22 sq in.) | |
| K20Z3 engine model | 174 cm2 (28.99 sq in.) | ||
| MANUAL TRANSMISSION (5-speed) | Type | Synchronized, 5-speed forward, 1 reverse | |
| Primary reduction | Direct 1:1 | ||
| Gear ratio | 1st | 3.142 | |
| 2nd | 1.750 | ||
| 3rd | 1.241 | ||
| 4th | 0.969 | ||
| 5th | 0.805 | ||
| Reverse | 3.230 | ||
| Final reduction | Type | Single helical gear | |
| Gear ratio | 4.111 | ||
| MANUAL TRANSMISSION (6-speed) | Type | Synchronized, 6-speed forward, 1 reverse | |
| Primary reduction | Direct 1:1 | ||
| Gear ratio | 1st | 3.267 | |
| 2nd | 2.130 | ||
| 3rd | 1.517 | ||
| 4th | 1.147 | ||
| 5th | 0.921 | ||
| 6th | 0.659 | ||
| Reverse | 3.583 | ||
| Final reduction | Type | Single helical gear | |
| Gear ratio | 4.765 | ||
| AUTOMATIC TRANSMISSION | Type | Electronically controlled automatic, 5-speed forward, 1 reverse, 3-element torque converter with lock-up clutch | |
| Primary reduction | Direct 1:1 | ||
| Gear ratio | 1st | 2.666 | |
| 2nd | 1.534 | ||
| 3rd | 1.021 | ||
| 4th | 0.720 | ||
| 5th | 0.524 | ||
| Reverse | 1.956 | ||
| Final reduction | Type | Single helical gear | |
| Gear ratio | 4.437 | ||
| STEERING (EPS) | Type | Rack and pinion with electrical power-assisted | |
| Overall ratio | 13.62 | ||
| Turns, lock-to-lock | 2.65 | ||
| Steering wheel diameter | 360 mm (14.0 in.) | ||
| STEERING (Power Steering) | Type | Hydraulic power assisted rack and pinion | |
| Overall ratio | 13.73 | ||
| Turns, lock-to-lock | 2.67 | ||
| Steering wheel diameter | 360 mm (14.0 in.) | ||
| SUSPENSION | Type | Front | Independent strut with stabilizer, coil spring |
| Rear | Independent double wishbone with stabilizer, coil spring | ||
| Shock absorber | Front and rear | Telescopic, hydraulic, nitrogen gas-filled | |
| TIRES | Size of front and rear | DX, DX-G | P195/65+R 15 89H |
| EX, LX | P205/55R16 89H | ||
| Si | P215/45R17 89V or 215/45ZR17 91W | ||
| Size of spare | Except Si | T125/70D15 95M | |
| Si (ABS model) | T125/70D16 96M | ||
| Si (VSA model) | T135/80D16 101M | ||
| WHEEL ALIGNMENT | Camber | Front | 0° 00' |
| Rear (without "C" marks on the rear upper arm) | -1° 30' | ||
| Rear (with "C" marks on the rear upper arm) | -0° 45' | ||
| Caster | Front | 7° 00' | |
| Total toe-in | Front | 0 mm (0 in.) | |
| Rear | 2 mm (0.08 in.) | ||
| Front wheel turning angle (DX, DX-G) | Inward | 40° 06' | |
| Outward (reference) | 31° 55' | ||
| Front wheel turning angle (except DX, DX-G) | Inward | 38° 46' | |
| Outward (reference) | 31° 14' | ||
| BRAKES | Type of service brake | Front | Power-assisted self-adjusting ventilated disc |
| Rear (disc) | Power-assisted self-adjusting solid disc | ||
| Rear (drum) | Power-assisted self-adjusting solid drum | ||
| Type of parking brake | Mechanical actuating, rear wheels | ||
| Pad friction surface area | Front (except Si) | 37.5 cm2 (5.81 sq in.) x 2 | |
| Front (Si) | 33.8 cm2 (5.24 sq in.) x 2 | ||
| Rear | 20.6 cm2 (3.19 sq in.) x 2 | ||
| Shoe friction surface area | Rear | 57.6 cm2 (8.93 sq in.) x 2 | |
| AIR CONDITIONING | Compressor | Type | Scroll |
| Capacity | 77.1 mL (4.7 cu in.)/rev. | ||
| Maximum speed | 10, 000 rpm | ||
| Lubricant capacity | 75 mL (2 1/2 fl-oz) | ||
| Lubricant type | SP-10 | ||
| Condenser | Type | Corrugated fin | |
| Evaporator | Type | Corrugated fin | |
| Blower | Type | Stabilized swirling flow | |
| Motor type | 220 W/12V | ||
| Speed control | Infinite variable | ||
| Maximum capacity | 470 m3 (16.571 cu ft)/h | ||
| Temperature control | Air-mix type | ||
| Compressor clutch | Type | Dry, single plate, poly V-belt drive | |
| Electrical power consumption at 68 °F (20 ° F) | 42 W maximum at 12 V | ||
| Refrigerant | Type | HFC-134a (R-134a) | |
| Capacity | 400-450 g (14.1-15.8 oz) | ||
| ELECTRICAL RATINGS | Battery | R18A1 engine, USA models | 12V-45 Ah/20 HR (12 V-36 Ah/5 HR) |
| K20Z3 engine, Canada models | 12 V-47 Ah/20 HR (12 V-38 Ah/5HR) | ||
| Fuses | Under-hood fuse/relay box | 100 A, 80 A, 70 A, 50 A, 40 A, 30 A, 20 A, 15 A, 10A, 7.5 A | |
| Under-dash fuse/relay box | 30 A, 20 A, 15 A, 10 A, 7.5 A | ||
| Light bulbs | Headlight high beam | 12V-60W | |
| Headlight low beam | 12V-51W | ||
| Front side marker/parking/turn signal lights | 2-door: 12V-28/5W (two filaments) Amber color 4-door: 12V-21/5W (two filaments) Amber color |
||
| Rear turn signal lights | 12V-21W Amber color | ||
| Brake/Taillights | 12V-21/5W (two filaments) | ||
| Inner taillights | 12V-5W (4-door) | ||
| Rear side marker light | 12V-5W | ||
| High mount brake light | 12V-21W (Except Si) 12V-LED (Si) |
||
| Back-up lights | 12V-21W | ||
| License plate light | 2-door: 12V-3 CP 4-door: 12V-5W |
||
| Ceiling lights | 12V-5W | ||
| Individual map light | 12V-8W | ||
| Trunk light | 12V-5W | ||
| Gauge lights | 12V-LED (non-replaceable) | ||
| Indicator lights | 12V-LED, 14V-0.56W, 0.84 W | ||
| Washer reservoir | Capacity (USA models) | 2.5 L (2.6 US qt) | |
| Capacity (Canada models) | 4.5 L (4.8 US qt) |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.