Hydrauling Pump/Line replacement - MyG37



Hydrauling Pump/Line replacement

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Old 05-15-2018, 04:26 PM   #1  
pmagee317
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Question Hydrauling Pump/Line replacement

I have a 2010 G37 convertible. I had two hydraulic lines with leaks. Quoted $9800 from the dealer and that's not happening so i started looking into my options. I replaced the lines and put everything back together, but the top still wont open. The windows open, the parcel shelf goes down. Then the pump runs for 20 or so seconds and it stops. Same as it did when it leaked. My assumption is that i either have a bad seal on one or many of the lines at the pump or to much air in the lines for the system to operate. Since the manuals are no longer available thanks to Nissan's legal team I was wondering if anyone could share some procedures or tips.

Also does anyone know what the brass hex bolt on top of the pump does? All i can tell you is if you turn it to hard you will ruin your pump. that lesson cost me $500 and i'm hoping to reduce the cost of my education.

Thanks,
Patrick

Last edited by pmagee317; 05-17-2018 at 02:05 PM.
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Old 05-15-2018, 05:14 PM   #2  
kiseliok
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Ouch. Hopefully you'll get it figured out.
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Old 05-15-2018, 07:20 PM   #3  
FSUGrad90
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Originally Posted by pmagee317 View Post
I have a 2010 G37 convertible. I had two hydraulic lines with leaks. Quoted $9800 from the dealer and that's not happening so i started looking to my options. I replaced the lines and put everything back together, but the top still wont open. The windows open, the parcel shelf goes down. Then the pump runs for 20 or so seconds and it stops. Same as it did when it leaked. My assumption is that i either have a bad seal on one or many of the lines at the pump or to much air in the lines for the system to operate. Since the manuals are no longer available thanks to Nissan's legal team I was wondering if anyone could share some procedures or tips.

Also does anyone know what the brass hex bolt on top of the pump does? All i can tell you is if you turn it to hard you will ruin your pump. that lesson cost me $500 and i'm hoping to reduce the cost of my education.


Thanks,
Patrick
Patrick I posted this on another thread so I thought I would again for you as I saw this on Ebay Not sure if this is what you need
https://www.ebay.com/itm/INFINITI-2009-2013-G37-CONVERTIBLE-TOP-PUMP-MOTOR-WITH-LIFTERS-97091-JJ50A/162528134095?ssPageName=STRK%3AMEBIDX%3AIT&_trksid =p2060353.m1438.l2649
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Old 05-17-2018, 12:34 PM   #4  
pmagee317
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Thanks, I saw that. I have already replaced all of the defective parts so I'm not looking to buy them again.

[email protected]

My part sources for this project so far:
http://www.cabriolethydraulics.com/ replacement hoses approx $125/hose

https://www.tophydraulicsinc.com/en/
re manufactured pump: $820 (includes pump, $300 core deposit, shipping)

Last edited by pmagee317; 05-17-2018 at 02:10 PM.
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