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SL55/63/65/R230 AMG: Pump replacement Question

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Old 07-16-2012, 05:23 PM
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2005 SL600, 2016 ES300h, 2012 Hayabusa
Pump replacement Question
I replaced my intercooler pump on my sl600 with one from speedriven with their heat exchanger upgrade kit and I never saw the little tiny hose that hooks up to the old pump I think has vac. I'm assuming I should have plugged the line, but I'm not sure where it connects to that would be an easier place to block it off if I need to. I haven't seen any coolant on my garage floor so I don't think I'm leaking coolant, but the last thing I want is air getting sucked into the coolant system or a vacuum leak. Thanks for any help in advance!
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Old 07-16-2012, 06:33 PM
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SpeedRiven SL600, ML320CDI
You do not need to worry about it. New pump does not have that extra hose - consider it as a vent for original pump.

Igor.
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Old 07-16-2012, 07:33 PM
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Originally Posted by AccelToronto
You do not need to worry about it. New pump does not have that extra hose - consider it as a vent for original pump.

Igor.
This. It is an air expansion/ equalizing port? Not needed. It vents into the atmosphere on th stock pump.
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Old 07-17-2012, 01:07 PM
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That's good news
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Old 07-18-2012, 06:21 AM
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I think the hose is used on the stock pump to purge air (via vacuum) when filling the system with water. As others state, it is not needed.
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Old 07-19-2012, 04:39 PM
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2006 SL65 ///AMG - GONE BUT NOT FORGOTTEN: 2005 E55; 2002 ML55; 2001 CLK55; 1992 BMW 850i; 1991 M5
So - how do you like the Speedriven Heat Exchanger?
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Old 07-19-2012, 05:47 PM
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SpeedRiven SL600, ML320CDI
I would love to get some feedback on SpeedRiven Pump/HE too. Too shy to ask...

We did quite a few installs with no complaints so far, but what is your take ?

Igor.
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