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1998 pontiac sunfire abs question
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rob_1996_ford
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Nov 28, 2009, 3:35 PM
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1998 pontiac sunfire abs question
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the brakes don't work at all. I put new brake booster, master cyl, Abs unit. I can not get brake fluid out of the master cyl. i took abs unit off pumped brakes and no fluid came out of master cyl. with the master cyl off the plunger moves about 3inches out so it looks like it is workin if any one can help i would be very greatfull Thanks Rob...
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Hammer Time
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Nov 28, 2009, 3:38 PM
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Re: 1998 pontiac sunfire abs question
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Have you ever changed one of these combination master's before?
Do you know how to time the gears?
Do you have a pressure bleeder available?
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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rob_1996_ford
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Nov 28, 2009, 6:06 PM
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never changed one before didnot know bout timing one i do not have a pressure bleeder but i can go buy one. is there an easy way to time one. Thank you for your input..
Rob
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Hammer Time
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Nov 28, 2009, 6:10 PM
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Unbelievable!
Are you going to try open heart surgery next week?
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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rob_1996_ford
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Nov 28, 2009, 11:22 PM
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Do you know how to time one? cuz i don't see any marks on the gears or any way to time it...... and there are electric motors how do you time an electric motor.
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Sidom
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Nov 29, 2009, 10:18 AM
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Rob I'm all for helping folks out with problems that is within their range of expertise. I don't want you to get offended but this one really seems to be out of your range just going off what I'm reading.
This isn't the hardest system to work on but also isn't the easiest. Just the fact that when you took the ABS unit of the master, heard the gears unwind and just reassembled it as is tells me you should really take this one in.........
The brake system is one area that needs to be perfect just due to the fact that your safety isn't the only thing you could be risking......
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rob_1996_ford
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Nov 29, 2009, 12:18 PM
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Well I think your judgement on what my expertise level is underated, because I am ASE certified for your information I replaced the entire abs unit and master cyl as a whole it came off a car that had good brakes. I didn't take it apart I left the electric motors entact. So I don't believe that it has much to do with that I was curious if it had something to do with the wiring? I don't know.
(This post was edited by rob_1996_ford on Nov 29, 2009, 12:37 PM)
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rob_1996_ford
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Nov 29, 2009, 12:28 PM
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I thought this forum was to help people with there problems not to criticize them. That is not very professional. I don't know because I am a "moron" or so I'm told.....thanks for your help.... or lack of... have a good day....
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Hammer Time
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Nov 29, 2009, 12:52 PM
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If your ASE certified, I'm throwing mine away. You have no clue what you got yourself into and I doubt anyone is going to waste time trying to figure out how much you messed up.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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rob_1996_ford
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Nov 29, 2009, 1:10 PM
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I have two units the original i took apart the new one that i took off another 98 pontiac sunfire...
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Loren Champlain Sr
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Nov 29, 2009, 8:08 PM
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Re: 1998 pontiac sunfire abs question
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Rob; Seems that everyone has his feathers up in the air. Let's start over.
From what I've read, sounds like the master cylinder is the culprit. We need to start off with a bench bled master cylinder. If you have access to a pressure bleeder, that would help. But, it can be done without one. Are you familiar with 'bench' bleeding? Put the master in a vise to hold it firmly. Fill the reservoir with brake fluid. Using a phillips screw driver, push the piston in. Fluid will 'squirt' out the brake line holes. Hold your fingers over the holes when releasing the pressure on the piston. Do this over and over again until you no longer feel or hear air bubbles. (boy, I had no idea how hard this would be to try to explain. LOL) Once the master has been bled, reinstall it on the vehicle. Open the right rear brake bleeder and allow it to bleed, keeping the master cylinder full of fluid. Once you are convinced that no more air is coming out (this may take some time), move to the left rear. Do the same. Then, the right front, then the left front. With all of this said, I'm assuming that you are using a NEW master cylinder, not a rebuilt?
Also, when you said 'No brakes', I'm assuming that you mean that the pedal is going to the floor? I'll be happy to help as much as I can.
Loren
SW Washington
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Hammer Time
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Nov 29, 2009, 8:26 PM
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Loren,
Maybe you didn't read the whole question to know what system he's dealing with. This system cannot be bench bled.
He has separated the unit, let the gears fly and doesn't know how to assemble it together properly.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Loren Champlain Sr
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Nov 30, 2009, 5:26 PM
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Again, I should have read more thoroughly. Is it nap time, yet? Thanks, HT.
Loren
SW Washington
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