Daihatsu Sirion Common Problems and Solutions
Corrosion
Problem:
The Sirion is prone to corrosion, particularly in the following areas: under wheel arches and the sills.
Solution:
If the rust is not too bad, you can rub down the affected area, treat it and then touch it up with the correct paint. If it is quite bad, you may need a replacement body part.
Difficulty level
Gear changing problems
Problem:
Have you found it difficult to change gear on your Sirion? If so, there are known issues with poor gear changing and this could be caused by one of two things: It could mean that you need to adjust the clutch slightly, or that you need to change the gearbox oil on the car.
Solution:
As mentioned above, you will either need to make an adjustment to the clutch, or you will need to change the gearbox oil. If changing the gearbox oil, try using a synthetic oil.
Difficulty level
Suspension problems
Problem:
Can you hear a knocking noise coming from the suspension, particularly as you drive over speed bumps or poorly surfaced roads? If so, the lower suspension arms are known to fail on this vehicle and you will need to replace them.
Solution:
As mentioned above, you will need to replace the lower suspension arms, in order to resolve the issue. We want to help you to find your replacement lower suspension arms, at very low prices.
Difficulty level
Engine idling problems
Problem:
Have you found that the engine on your Sirion is idling very badly? The engine should idle at a constant speed of about 800rpm, and should not be idling erratically, with the needle jumping up and down. The main cause of this problem is a faulty IAC (Idle Air Control) valve.
Solution:
You will need to fit a replacement IAC valve, in order to fix the problem. Watch the video below for an idea on how to change one yourself, and save money in the process:
Difficulty level
Idle Control Valve
