2011 s65 abc Malfunction
Member
Joined: Jan 2019
Posts: 146
Likes: 61
From: Panama City, FL
2007 Jaguar XJ8L, 1999 Miata, 2003 Yamaha FJR1300
Read this
The article is for the W220, but the ABC systems are conceptually the same, just different specific components and locations.
The pump is almost never the culprit, unless the system has been allowed to run dry. A shop checking the system or codes may assume the pump is bad if they see low pressure readings, but it's not the pump's actual job to maintain pressure during high ABC activity. That moment-to-moment demand is met by the accumulators, and if those are bad, pressure will drop during use. Popped lines, if you have any, are a sure sign of bad accumulators.
That said, if the system has been allowed to run dry, then the pump will need to be replaced. They are not cheap, but rebuilts are out there. Do some Googling, but replace the accumulators first (MUCH cheaper) and see how it goes from there.
The article is for the W220, but the ABC systems are conceptually the same, just different specific components and locations.
The pump is almost never the culprit, unless the system has been allowed to run dry. A shop checking the system or codes may assume the pump is bad if they see low pressure readings, but it's not the pump's actual job to maintain pressure during high ABC activity. That moment-to-moment demand is met by the accumulators, and if those are bad, pressure will drop during use. Popped lines, if you have any, are a sure sign of bad accumulators.
That said, if the system has been allowed to run dry, then the pump will need to be replaced. They are not cheap, but rebuilts are out there. Do some Googling, but replace the accumulators first (MUCH cheaper) and see how it goes from there.
Last edited by wfooshee; Mar 31, 2019 at 06:15 PM.
Thread Starter
Member
Joined: Jul 2012
Posts: 124
Likes: 5
Thann you so much
Read this
The article is for the W220, but the ABC systems are conceptually the same, just different specific components and locations.
The pump is almost never the culprit, unless the system has been allowed to run dry. A shop checking the system or codes may assume the pump is bad if they see low pressure readings, but it's not the pump's actual job to maintain pressure during high ABC activity. That moment-to-moment demand is met by the accumulators, and if those are bad, pressure will drop during usePopped lines, if you have any, are a sure sign of bad accumulators.
That said, if the system has been allowed to run fry, then the pump will need to be replaced. They are not cheap, but rebuilts are out there. Do some Googling, but replace the accumulators first (MUCH cheaper) and see how it goes from there.
The article is for the W220, but the ABC systems are conceptually the same, just different specific components and locations.
The pump is almost never the culprit, unless the system has been allowed to run dry. A shop checking the system or codes may assume the pump is bad if they see low pressure readings, but it's not the pump's actual job to maintain pressure during high ABC activity. That moment-to-moment demand is met by the accumulators, and if those are bad, pressure will drop during usePopped lines, if you have any, are a sure sign of bad accumulators.
That said, if the system has been allowed to run fry, then the pump will need to be replaced. They are not cheap, but rebuilts are out there. Do some Googling, but replace the accumulators first (MUCH cheaper) and see how it goes from there.
Member
Joined: Jan 2019
Posts: 146
Likes: 61
From: Panama City, FL
2007 Jaguar XJ8L, 1999 Miata, 2003 Yamaha FJR1300
Have the accumulators been replaced? Do that first, THEN see if it still needs a pump. Blown lines are a STRONG indicator of failed or weak accumulators. Do NOT go through a pump change until those are done. Seriously.
As for the pricing, the pump is expensive, and that is probably about right. You should be able to get the main accumulators done for 500-700 bucks, including labor. I ordered mine for about 150 each and replaced them myself.
As for the pricing, the pump is expensive, and that is probably about right. You should be able to get the main accumulators done for 500-700 bucks, including labor. I ordered mine for about 150 each and replaced them myself.
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Thread Starter
Member
Joined: Jul 2012
Posts: 124
Likes: 5
You are right he just told me 2 accumulaters are also bad which he is going to replace first crossing my fingers bro lol
Have the accumulators been replaced? Do that first, THEN see if it still needs a pump. Blown lines are a STRONG indicator of failed or weak accumulators. Do NOT go through a pump change until those are done. Seriously.
As for the pricing, the pump is expensive, and that is probably about right. You should be able to get the main accumulators done for 500-700 bucks, including labor. I ordered mine for about 150 each and replaced them myself.
As for the pricing, the pump is expensive, and that is probably about right. You should be able to get the main accumulators done for 500-700 bucks, including labor. I ordered mine for about 150 each and replaced them myself.
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