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Gotta be More than meets thee eye
I have a 2007 GL450 and the lift gate won稚 go up and down. There is actually no power back there at all! We started removing the parts to take a look and found some very disturbing issues. What can cause this type of damage? I知 worried that if we change the control module & pump that there will be another issue that will fry the new parts too. https://cimg4.ibsrv.net/gimg/www.mbw...8d873fd89.jpeg https://cimg5.ibsrv.net/gimg/www.mbw...eab34fff9.jpeg https://cimg6.ibsrv.net/gimg/www.mbw...4a7d67b20.jpeg |
Any let know the part number for the pump? |
That looks like there was either a leak into the area where that part was (for quite a while), or it was in a flood. Almost looks like salt water corrosion on some of those parts.
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Originally Posted by DennisG01
(Post 7664595)
That looks like there was either a leak into the area where that part was (for quite a while), or it was in a flood. Almost looks like salt water corrosion on some of those parts.
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Did washer fluid leak onto it?
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Originally Posted by eric_in_sd
(Post 7665706)
Did washer fluid leak onto it?
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Originally Posted by Mikchek
(Post 7664765)
it does look that way. Is there a way to test the pump? |
Originally Posted by DennisG01
(Post 7665723)
I can't see a reason why this wouldn't work, but take it with a grain of salt... Those two bigger wires will be the main power feed/ground. Try jumping 12V to them.
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Originally Posted by Mikchek
(Post 7665726)
I知 having a hard time finding the pump
Top Hydraulics |
Originally Posted by benzbell
(Post 7665744)
Try these guys here. I feel for you. I had nightmares on my sons ML 350. Replaced everything and it still didn't work. Had to take it to the dealer.
Top Hydraulics |
The pump should be part number A1648000748. The module should be part number 1648203185. There is fluid that goes into the pump (in the white/clear portion) the equivalent fluid is Aero Shell Fluid 41 (MIL PRF 5606H), if the part arrives empty. There is a line on the white/clear portion that shows the fill level when standing up vertically. There is a set screw on top of the white/clear fluid reservoir, use a syringe or basting bulb to fill the reservoir to the fill level. Use a product like CRC Electronic Cleaner to clean all of the terminals prior to plugging in the new parts. After parts are installed **Important** to ensure the computer accepts the new parts, plug in the key (remove the push button if Keyless Go and plug in key) and turn to second detent (just prior to starting), then push in the rear hatch button on the drivers door (as if closing the rear door latch) for 5 seconds, to ensure computer recognizes the new pump and control module. Hope it turns out okay. Let us know if you get it working.
James |
Originally Posted by Mikchek
(Post 7665722)
i wish I knew...I bought it like that
Stick it out; this seems maddening but you'll get there. |
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