Monday, October 24, 2011

Questions about cars?

i have some questions about cars. i have no one in my liffe to show me things. i have a saab 1993 900s.



i want to know , how to put brake fluid in it and where.

how do you know when your tires need to be changed the tires are a couple months old right now. and how do i check tire pressure and how much pressure should the tire have?Questions about cars?try here http://www.saabcentral.com/forums/index.Questions about cars?Buy a repair manual. They are written in a way that anyone can learn and understand things.



There is a brake fluid reservoir, a semi-clear container with a cap on it. It will be under the hood, against the firewall (the flat wall of metal between the engine bay and the rest of the car). It will be immediately in front of the driver position, near the top, easy to access. It should have a yellow cap that says %26quot;DOT 3%26quot; or DOT 4%26quot; on it (I forget which). Be careful with brake fluid, it eats away at paint, almost instantly. Place a rag around where you'll be pouring, and wipe up any spills.



If your engine looks like this, it should be the yellow cap in the upper left of the photo, but check for the DOT 3 on the cap before you fill anything:

http://upload.wikimedia.org/wikipedia/co



Tires have wear indicators. On the part of tire that touches the road are treads, grooves in the rubber. In the %26quot;valley%26quot; of the grooves, look for a small raised portion, there should be one about every 10 inches or so in the groove. When the tread wears down enough to match the raised portion in the groove, the tire is at its limit, and should be replaced. Tires should also be replaced if they looked cracked (the rubber dries and rots), or if they have a bubble, or if they're damaged.



photo of the wear indicator I'm trying to explain, notice the raised portion in the groove:

http://www.diymyride.com/wp-content/uplo



Different tires require different pressure. Look at the side of the tire, there are letters and numbers. Look for the pressure, it should say something like %26quot;MAX PSI 45%26quot; or something else, the thing to look for is %26quot;PSI%26quot;, which is the pressure. You check the pressure with a tire pressure gauge, it's a cheap tool found in almost any gas station convenience store, and it is easy to check the pressure. But don't bother checking it until you're near a compressor to fill it (usually right next to the coin-operated vacuum cleaner in gas station parking lots).



Here's an example of the words on a tire sidewall, notice the PSI in the lower left of the pic:

http://www.aa1car.com/library/tire_info.



tire pressure gauges:

http://www.2carpros.com/how_does_it_work
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