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2026. 6. 30. 작업
what is the difference between DOT3 and DOT4 brake fluids?
If the manual is saying small amounts of DOT3 can be used, what they are most likely saying is if you find yourself with low brake fluid and only DOT3 is available, it is better to use that than to not have brake fluid. Once you get back home though you need to get the recommended DOT4 back in the system by bleeding the system and filling with DOT4. As already stated, DOT4 handles higher heat. If your car is calling for DOT4, that means that the manufacturer does not feel comfortable that the braking system will not raise the brake fluid above a temperature that DOT3 can handle. Another point to make here is there are two boiling temperatures for brake fluid, Dry and Wet. When you've just replaced your brake fluid and the system has been properly bled, you are working at the Dry boiling temperature. Over time, water works its way into the system through age, heat cycling, through the hoses, etc. You are then working at your Wet boiling point for the fluid. So again, if you get stuck in
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2012 Jeep Compav compass I noticed a persistent squealing coming from thr front end of my car (I think the front left). It happens when I have my foot on the accelerator and over 40-45 mph. It stops when I let my foot off the gas, and only occurs under load. This alone would take me to the engine, but it responds to me turning the wheel. It gets louder when turning right and quieter when left. It also stops when I let off gas. My original thought was brakes, but I wanted to see if the community had an idea. Thanks!
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Hi everyone! I recently bought a 2016 Tacoma SR5 2.7L 4WD with 70k mi. At idle in D or R like at a red light (idles around 550rpm) the truck vibrates. Sometimes it’s bad and shakes my head and eyes and feels like someone is kicking my seat. It tends to get worse the longer I sit at a red light. It’s worse with the brake pedal pressed, but happens a bit in drive with the parking brake on and not pushing the brake pedal. There are tons of threads about this on the tacoma forums and there doesn’t seem to be “one” solution for everyone. I have cleaned the MAF and throttle body without much or any
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I am here with another question Civic (european version) sedan 2010 80k miles. I have a situation which s been going on for long time and it only gets worse. Couple of mechanics seen it and i trust my guy however no solution: While driving downhill if you apply brakes, the car doesnt really shake strong until you press the pedal stronger but there is loud noise and brakes dont perform well. If you press the pedal tougher it will get super loud. This sound is hard to explain but what i can tell you is: when washing machine comes close to the end rolling like mad cow, sometimes machine starts to