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.
Problems for specific Honda Civic Si years:
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Most reported 2009 Honda Civic Si problems
Plugged moon roof drains can cause a water leak inside the car, usually over the head of the driver or passengers head when turning a corner. Cleaning the drains will fix this problem.
The sunvisor may come apart or split causing it not to remain in the stowed position. On some models, Honda has extended the warranty on these sunvisors to 7years or 100,000 miles. Please contact your local Honda dealer for more information. To find a Honda dealer near you please click here»
On some models the drivers and or the front passenger door glass will come out of it's track. The door glass will have to be replaced to address this issue.
The airbag warning light (SRS) may illuminate due to a defective occupant position sensor. Honda has a recall campaign to replace defective sensors on affected cars.
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.
In some cases drive belt noise can be heard from the passenger compartment. Installing a new updated belt from Honda and rerouting the belt is needed will commonly correct this noise issue.
On some models the bump stop in the strut can cause a noise on turns. Replacement of the bump stop will fix this problem.
On certain models the engine RPM does not drop immediately and can cause a surge when driving in first gear. A software update is required for this repair.
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.