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 MANUALSHONDA2002CIVIC SIREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 148 (AUTOMATIC TRANSMISSION)AUTOMATIC TRANSMISSIONPRESSURE TEST
2002 Honda Civic Si
Pressure Test
2002 Honda Civic SiSECTION Pressure Test
WARNING: This page is about a different car, the 2006 Honda Odyssey and 2005 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
Special Tools Required
- A/T oil pressure gauge set w/panel 07406-0020400 or 07406-0020401
- A/T pressure hose, 2,210 mm 07MAJ-PY4011A
- A/T pressure hose adapter 07MAJ-PY40120
- Make sure the transmission fluid is filled to the proper level (see ATF LEVEL CHECK ).
- Lift the vehicle up on a hoist, or apply parking brake, block rear wheels, and raise the front of the vehicle. Make sure it is securely supported.
- Remove the front inner fender and splash shield.
- Allow the front wheels to rotate freely.
- Connect the oil pressure gauge to the line pressure inspection port (A). Do not allow dust or other foreign particles to enter the port while connecting the gauge.
- Warm up the engine (the radiator fan comes on). Turn off the engine, and connect the HDS to the DLC (A).
- Start the engine, and run it at 2,000 rpm in the P or N position.
- Measure the line pressure at the line pressure inspection port (A).NOTE: Higher pressure may be indicated if measurements are made in shift lever positions other than P or N.FLUID PRESSURE CHART
Pressure Fluid Pressure Standard Service Limit Line (A) 930-990 kPa (9.5-10.1 kgf/cm2 , 140-144 psi) 880 kPa (9.0 kgf/cm2 , 130 psi) - Turn the engine off, then disconnect the oil pressure gauge from the line pressure inspection port.
- Install the sealing bolt to the line pressure inspection hole with a new sealing washer, and tighten the bolt to 18 N.m (1.8 kgf.m, 13 lbf.ft). Do not reuse old sealing washer.
- Make sure you have the anti-theft codes for the radio and navigation system, then write down the customer's audio presets.
- Disconnect the negative cable from the battery first, then disconnect the positive cable. Remove the battery and battery tray.
- Remove the intake air duct and air cleaner housing.
- Loosen the two bolts securing the rear of the battery base, and remove the two bolts securing the front of the base, then remove the battery base.
- Connect the oil pressure gauge to the 1st clutch pressure inspection port (B).
- Temporarily install the air cleaner housing and intake air duct, and connect the battery terminals.
- Connect the oil pressure gauges to the 1st-hold clutch pressure inspection port (C) and the 2nd clutch pressure inspection port (D).
- Start the engine, shift to the 1 position, and measure the 1st clutch pressure at the 1st clutch pressure inspection port (B) and 1st-hold clutch pressure at the 1st-hold clutch pressure inspection port (C) while holding engine speed at 2,000 rpm.
- Shift to the 2 position, and measure the 2nd clutch pressure at the 2nd clutch pressure inspection port (D) while holding engine speed at 2,000 rpm.FLUID PRESSURE CHART
Pressure Fluid Pressure Standard Service Limit 1st clutch (B) 2nd clutch (D) 900-980 kPa (9.2-10.0 kgf/cm2 , 130-142 psi) 850 kPa (8.7 kgf/cm2 , 120 psi) 1st-hold clutch (C) 760-830 kPa (7.7-8.5 kgf/cm2 , 110-120 psi) 710 kPa (7.2 kgf/cm2 , 100 psi) - Turn the engine off, then disconnect the oil pressure gauges from the 1st clutch pressure, 1st-hold clutch, and 2nd clutch pressure inspection ports.
- Install the sealing bolts in the 1st clutch pressure, 1st-hold clutch, and 2nd clutch pressure inspection ports with new sealing washers, and tighten the bolts to 18 N.m (1.8 kgf.m, 13 lbf.ft). Do not reuse old sealing washers.
- Install the battery base, and install the air cleaner housing and intake air duct.
- Install the battery tray and battery. Clean the battery posts and cable terminals with sandpaper, then assemble them and apply grease to prevent corrosion.
- Connect the oil pressure gauge to the 3rd clutch pressure inspection port (E), 4th clutch pressure inspection port (F), and 5th clutch pressure inspection port (G).
- Start the engine with the transmission in the P position while pressing the brake pedal.
- Shift to the D position, and select the D3 driving mode by pressing the D3 switch. Release the brake pedal; the transmission is in 1st gear.
- Press the accelerator pedal to increase the engine speed to 2,500 rpm; the transmission shifts into 2nd gear.
- Release the accelerator pedal; the engine speed decreases to 1,000 rpm with the transmission in 2nd gear.
- Press the accelerator pedal very slowly so that engine speed increases to 2,000 rpm on 5 seconds, then hold the accelerator; the transmission shifts into 3rd gear. Measure the 3rd clutch pressure at the 3rd clutch pressure inspection port (E) while holding engine speed at 2,000 rpm.
- Release the D3 driving mode by pressing the D3 switch; the transmission shifts into 4th gear, then 5th gear. Measure the 4th clutch pressure at the 4th clutch pressure inspection port (F) and 5th clutch pressure at the 5th clutch pressure inspection port (G) while holding engine speed at 2,000 rpm.FLUID PRESSURE CHART
Pressure Fluid Pressure Standard Service Limit 3rd clutch (E) 4th clutch (F)
5th clutch (G)900-980 kPa (9.2-10.0 kgf/cm2 , 130-142 psi) 850 kPa (8.7 kgf/cm2 , 120 psi) - Bring the engine back to an idle, then apply the brake pedal to stop the wheels from rotating.
- Shift to the R position, then release the brake pedal. Raise the engine speed to 2,000 rpm, and measure the 5th clutch pressure at the 5th clutch pressure inspection port (E).FLUID PRESSURE CHART
Pressure Fluid Pressure Standard Service Limit 5th clutch (G) in R 900-980 kPa (9.2-10.0 kgf/cm2 , 130-142 psi) 850 kPa (8.7 kgf/cm2 , 120 psi) - Turn the engine off, then disconnect the oil pressure gauges from the 3rd, 4th, and 5th clutch pressure inspection ports.
- Install the sealing bolts in the 3rd, 4th, and 5th clutch pressure inspection ports with new sealing washers, and tighten the bolts to 18 N.m (1.8 kgf.m, 13 lbf.ft). Do not reuse old sealing washers.
- If the measurements are out of the service limit, problems and probable causes are listed in LOW LINE PRESSURE CHART
.LOW LINE PRESSURE CHART
Problem Probable causes No or low line pressure - Torque converter
- ATF pump
- Regulator valve
- Torque converter check valve
- Clogged ATF strainer
No or low 1st clutch pressure - 1st clutch
- O-rings
No or low 2nd clutch pressure - 2nd clutch
- O-rings
No or low 3rd clutch pressure - 3rd clutch
- O-rings
No or low 4th clutch pressure - 4th clutch
- O-rings
No or low 5th clutch pressure - 5th clutch
- O-rings
No or low 5th clutch pressure in R - Servo valve
- 5th clutch
- O-rings
- Install the splash shield and front inner fender.
- Enter the audio and navigation anti-theft codes, then enter the customer's audio presets, and set the clock.
RENDER: 1.0x
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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.