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Tom Greenleaf
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Jul 16, 2007, 9:23 AM
Post #4 of 27
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To add: Brakes will generally pull to the cooler brake. If there's a failure of a hose or caliper keeping that brake hot it will grab better on the other side. Also: When you find a problem on one side you should replace both sides as whatever caused a problem with one probably is lurking with the other, T _________________________________________ Tom Greenleaf - MetroWest, Boston http://acsource.net/acforum/index.php
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Tom Greenleaf
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Jul 21, 2007, 5:43 AM
Post #11 of 27
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One: Don't use cinder blocks! Jack stands on secure surface is best. Wood would be a better choice if you must use other than a jack stand. Before bleeding the brake with car in neutral spin the side that drags. Then just release some brake fluid pressure from the bleeder and see if it frees up. If it does the pressure is not returning which is a common problem with the brake hose but could be the caliper or a metal line that is damaged. Never saw a problem with new parts but there's always a first. What do you mean the piston is hitting the rotor?? Piston should be pushing on a disc pad first or this is AFU'd, T _________________________________________ Tom Greenleaf - MetroWest, Boston http://acsource.net/acforum/index.php
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Tom Greenleaf
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Jul 22, 2007, 4:02 AM
Post #15 of 27
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Obviously you need to get this running again even to see if your brakes are ok. New alt and bat doesn't rule them out. Carefully jump start this car. It may have a hard short in battery or alternator and if it reacts badly just making your last hook up with cables stop there. It's best to use a jumper box instead of another car if at all possible. The battery may have a connection problem or the alternator itself. One can take out the other. It's hard to say what may have happened when the car was broken into and what may have been damaged from here. I would think problems would have showed up right away from that so this is problably something new. You should check for voltage at the battery and if you find none it may be fried. It's just handy in general to own a battery charger, voltmeter or multimeter, and simple test light for all kinds of things. See what you can find on that. I don't think you are done with the brakes unfortunatley and they may have frozen or sticky pins etc that allow the caliper to release the brake pads, T _________________________________________ Tom Greenleaf - MetroWest, Boston http://acsource.net/acforum/index.php
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Tom Greenleaf
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Jul 22, 2007, 5:13 PM
Post #17 of 27
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You must be ready to go bungee jumping without the bungee!! With the battery etc: Put your test light between neg post of battery and the disconnected cable with everything off - doors closed, hood light disconnected and the test light should stay off. If it lights there's a short. Just to test that you did that right open a door and watch the test light light up. If there is a short hit back and we can talk about how to find that. Now with battery charged just take its voltage reading. Should be 12-12.2 -- then start the car and read the voltage. It should read over 13.5 to perhaps 14.5 or so but not much higher. Now turn on all lights, blower, RW defroster and look at the voltage. It must stay above 13.5 now but may have dropped some from with everything off. That should mean the alternator can put out the amps the car needs. If getting a muli-meter is a finacial problem they have a real cheap one at Wal-Mart for under ten bucks but don't expect much. It works but is cheap and the volts scale is hard to pin point the exact # but good enough. It's the size of a pack of cigarettes and you get what you pay for with that one. I've seen them for a little more at other places and real good stuff goes on up in price but you really don't need to go wild. If you can catch the car totally dead again test between connections at battery to see if the battery has voltage but not the cable and right along with both cables. OHM meter on multimeter can do that or just test light if hooked up right and hook a pos jumper to the test light's clip to test for ground. Grounds count just as much as pos current. Hit back with results, I'm here, T _________________________________________ Tom Greenleaf - MetroWest, Boston http://acsource.net/acforum/index.php
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Tom Greenleaf
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Jul 22, 2007, 9:50 PM
Post #19 of 27
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Now get the voltage readings. Three are useful.... engine off, while cranking, and while running. Give it a load on electrical items like I said and it should hold. Then there's a mystery as to why it did that to you and you have to check out all connections and do the test for a short, T _________________________________________ Tom Greenleaf - MetroWest, Boston http://acsource.net/acforum/index.php
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Tom Greenleaf
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Jul 22, 2007, 10:01 PM
Post #21 of 27
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Take the observations and start the car. What does it do or not do? T _________________________________________ Tom Greenleaf - MetroWest, Boston http://acsource.net/acforum/index.php
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Tom Greenleaf
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Jul 23, 2007, 6:37 AM
Post #24 of 27
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The ABS light staying on means the ABS system is in it's default mode and will not do its ABS tricks in a skid. Regular braking should still be there as if it didn't have that feature. The problem could be a couple things. Since a brake piston was pushed back to make clearance the old brake fluid was pushed back thru some expensive ABS controls with old probably dirty brake fluid back to the master cylinder which can mess it up. Best to open bleeder when retracting a caliper piston and add new brake fluid when doing any work like that. There are star wheels (things that sense wheel speed) at each wheel and they can get brake dust or dirt on them and fool the system and it will go to default mode. You can try blowing out the dirt with compressed air and see it that fixes it. With the parking brake not working (I think your rear brakes are regular drum brakes) there is brake dust that doesn't always get out by itself and that can be cleaned out. DON'T BREATHE BRAKE DUST!! The back brakes are actuated by cable for the parking brake. If cables get sticky from rust they won't release well and can wear out back brakes fast or get real hot and cause problems there. Proper adjustment of back brakes that are in good condition usually gets the cables in range to work without adjusting the cable at an adjuster under the car. When you said "parking light" stays on, did you mean there is a light just for the parking brake or a red light indicating "brake" which can be either parking brake is not in fully off position or a fluid pressure problem. Sometimes bleeding brakes or just one can set the warning off and it may just go away or you may have to very slowly bleed off some pressure on a rear wheel to center the sensor again. Just holding service brake and letting out some pressure to the rear (since front was bled) at the master cylinder will do. Hold pressure on the pedal and just loosen the brake line at the master a little to see some fluid come out while maintaining some pressure till light goes out (do this with engine running and light on) till the light goes out. If that is the same light - probably is for the parking brake the parking brake cables are more likely to be the problem. Sometimes just grabbing them from under the car and pulling on the cable can free it up for the time being. Make sure brake fluid is full at master cylinder as that can set off a light by itself if low. If the parking brake pedal or arm that you pull feels limp to return to off the cables are the problem almost always. Worry about RED warning lights right away and get to amber/yellow warning lights after any red ones are off and back to normal, T _________________________________________ Tom Greenleaf - MetroWest, Boston http://acsource.net/acforum/index.php
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