SL-Class (R230) 2003 -- 2012: Discussion on the SL500, SL550, SL600

SL/R230: 2003 ABC Pump Question - Leak Identification

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Old 11-07-2014, 04:06 PM
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2003 SL500
2003 ABC Pump Question - Leak Identification

Hi All,

Relatively new to this forum. As the thread title states my wife's 2003 SL500 ABC is experiencing issues. I have a massive puddle under the car, well I did it is cleaned up now.

Anyway I am guessing the majority of the fluid has leaked out and car is sagging. In trying to identify the leak I have found the "ABC Hose Connector Canister" is covered in fluid. But the pump itself doesn't look that bad, in other words the leak is up high I think.

I am going to fix the problem myself but would appreciate any insight into if this is possibly a hose or line issue versus a pump replacement? My hope is someone on here has encountered this and can point me in the right direction. I am seriously considering just pulling the pump and replacing it, but if someone has experience which would indicate it is a different problem I would appreciate that insight before I spend the money on a pump.

Thank you in advance for any and all insight as it is greatly appreciated.

Regards,
Phil
Old 11-07-2014, 05:29 PM
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Ok,

Boneheaded mistake, I was under car looking up so I thought the leak was coming from above the pump.

Now after reorienting myself I realize the leak must be coming from the pump and flowing downward.

Doh, guess it is time to bite the bullet and buy a pump.

Doh doh doh...
Old 11-08-2014, 12:03 AM
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08 clk63, 06 E55, 05 c55, 14 ml350, 98 pathfinder. Have owned cl55, s55, cls55, c230, cl500, cls500
I have a new oem abc pump for sale if interested
Old 11-16-2014, 08:21 AM
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Does having a leak necessitate changing the pump?
Tito
Old 11-17-2014, 10:03 AM
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Hi,

I had already bought a pump when I received the offer for the one.

The leak doesn't necessarily result in a pump replacement, except my lead was significant and was coming out of the pump.

I successfully replaced the pump over the weekend but now cannot seem to figure out how to clear the "ABC" warning code on the dash board. I hope this isn't a SDS requirement to clear.

FYI, post pump replacement everything seems to be working as you would expect, hopefully this is the last ABC work that is required for awhile.


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