i wonder if i need new brakes?
09-22-2010, 01:11 PM
#1
i wonder if i need new brakes? i've noticed when i've been at the track after a few passes my car doesn't want to stop to well. i'll go to press the brakes and it's hard as hell and i need to let off and push them again to get it slow down more, most times i down shift (automatic) to slow down and that i really don't want to do. i replaced the pads and rotors last year with new rotors from autozone and new pads from Hawk. when my engine and trans were out i drained my bake system (on accident lol) and refilled it once everything was back in and bled the system. how normal is this to be goin on? like i said it doesn't happen all the time, just when i'm at the track or driving on the twisties. i wanted to ask before i upgrade my rotors and front calipers then find out that wasn't it. btw the rims are zo6 speedlines 265/40/17 fronts and 295/35/18 rears and the bridgestone potenza's on them have less than 10K
09-22-2010, 05:03 PM
#4
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"To check engine vacuum, connect a vacuum gauge to the supply hose that runs from the intake manifold to the booster. A low reading (below 16 inches) may indicate a hose leak or obstruction, a blockage in the exhaust system (plugged catalytic converter, crushed pipe, bad muffler, etc.), or a problem in the engine itself (manifold vacuum leak, bad valve, head gasket, etc.)."
http://www.aa1car.com/library/pwrsteer.htm
http://www.aa1car.com/library/pwrsteer.htm
btw i wont have clogged cats cause i don't have them lol Trending Topics
09-22-2010, 08:43 PM
#8
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if your booster was bad it will literally take about a mile to stop your car from 100mph.... Im sure your rotors are glazed up from 100-0 braking at the track.... so it doest grab as well as a newly resurfaced rotor.
09-24-2010, 12:24 AM
#10
The stock brake system should easily stop the car from 100MPH without any drama.
Something is definitely not right.
When you changed the pads and rotors, which brand did you buy?? The cheapo ones?? That can make a difference in stopping performance, especially when hot.
When you serviced the brakes, did you properly lubricate the slide pins with synthetic caliper lubricant and ensure that they slid in and out freely?? If they are frozed or not properly lubricated, you will only be braking with approximately half the force at each wheel, which will cause extended stopping distances and inner pad wear.
Something is definitely not right.
When you changed the pads and rotors, which brand did you buy?? The cheapo ones?? That can make a difference in stopping performance, especially when hot.
When you serviced the brakes, did you properly lubricate the slide pins with synthetic caliper lubricant and ensure that they slid in and out freely?? If they are frozed or not properly lubricated, you will only be braking with approximately half the force at each wheel, which will cause extended stopping distances and inner pad wear.
