2006 impreza road noise

Space saver wheel is reckoned safe and legal to take a car at greatly reduced speed to the nearest place where the puncture can be repaired or the tyre replaced. It is worth noting the recommended pressure and maximum speed is engraved on the sidewall of the space saver tyre, which is only suitable for normal road surfaces.

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Hope this helps

Open rear liftgate and there are little slide clips on each end, you pull the clips then slide gas strut/support cyls off. Most new replacements come with new clips.

I would change out the EGR valve if all spark plugs and wires are good...........Hope this helps you out.

Make SURE your door key, outside in the door... is straight up and down. The security system is protecting the car, it thinks the doors need to be locked. This is sometimes caused by the keyhole not being verticle.

Worn valves.

there ie a switch for parking lights on top of steering column ..i bump it all the time!

The exhaust system on your car is stainless steel, and it heats and cools quickly, there is nothing wrong with this. all your hearing is the joints in the exhaust system expanding and contracting. My 2007 impreza 2.5 does the same thing. And when you turn car off the system is cooling off and contracting.

If they are all terain or off road tyre's then it's normal if it has road tyre's then it would be best to get it checked wheel bearings and brakes.

Check the rear anti roll bar end links. This is a common item to fail as the originals were plastic ! If they are worn my advice is to replace them with some aluminum ones that come with nylon urethane bushes.