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Honda Civic Si Problems

RepairPal has identified the most common problems with the Honda Civic Si based on complaints from actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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Known Problems

On some models with automatic transmissions, during a cold start at high altitude the brake pedal feels hard. Replacing the power brake booster and updating Powertrain Control Module (PCM) the with a Honda software update is needed for this issue.

On some models Powertrain Control Module (PCM) response time for idle speed and engine timing can cause the engine to stall. A software update from Honda is required to fix this problem.
Primary oxygen sensor heater failures can cause a Check Engine light. Replacing the sensor is required to repair this issue.
Cracked exhaust is common on both exhaust manifolds and manifold/catalytic converter combination. Replacing the cracked component will repair the problem.

A faulty brake master cylinder reservoir filter can cause the brake system indicator to illuminate after a cold start and then go off. Replacement of the reservoir filter will commonly fix this problem.

Certain models can have a crowned rear brake drum that can cause a vibration when braking. The rear drums will have to be replaced to correct this issue.

The front brake rotors can warp and cause a vibration when braking. The rotors will need to be machined or in cases where they are worn to thin, replaced to correct this issue.

A fluid leak may develop from one or both front suspension struts. Replacing the struts (usually in pairs) will be necessary to take care of the problem.

A refrigerant leak may develop from the AC evaporator causing the AC to blow warm air. Verifying failure of this component is difficult. A good shop will use leak detection dye to verify a failing evaporator.

On certain models the drivers seat bushings can wear out and the seat can rock back and forth. Replacing the bushings are needed to repair this issue.

Certain manual transmissions can cause a clicking noise when turning right due to a reverse gear contacting other gears in the transmission. The transmission needs to be disassembled and new updated gears need to be installed to stop the noise.

On certain models the windshield wipers will not park in the proper place or won't shut off. The wiper motor must be replaced to repair this issue.

On vehicles that have a sunroof, squeaking can occur. Special anti squeak tape should be applied to stop the noise.

Trailing arm bushings can crack and break resulting in a clunking or rattle noise over bumps. Cracked bushings will require replacement.

The shift control solenoid externally mounted on the automatic transmission can fail and causes a harsh 1-2 shift. Replacing the shift solenoid and flushing the transmission with genuine Honda automatic transmission fluid may eliminate harsh shifting characteristics. A broken internal spring can cause the same issue. If the shift control solenoid does not repair the problem, the transmission will have to be replaced.