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post #11 of 20 (permalink) Old 03-10-2020, 08:42 AM
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Happened to me before. The CPU / water heat caused high pressure in the loop and in my case, cracked the acrylic top. You'll have to remove the block and check for cracks, loose screws (check for damaged threading also) and pressure test.

Asus Prime Z370, Intel 8700k @5.0Ghz, Nvidia GTX 1080 Ti, 16GB @3400 CL14, Watercooling: x2 MCP355 pumps, x1 280 on front of case, x1 360 on top of case, x1 140 on back of case, x1 240 on bottom of case
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post #12 of 20 (permalink) Old 03-10-2020, 08:55 AM - Thread Starter
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Quote: Originally Posted by StAndrew View Post
Happened to me before. The CPU / water heat caused high pressure in the loop and in my case, cracked the acrylic top. You'll have to remove the block and check for cracks, loose screws (check for damaged threading also) and pressure test.
The top isn't acrylic it's vinyl. Though I'm unsure what the middle part is made from, looks like regular transparent plastic. They were fine. I looked at them at the first time. Why I concluded the pressure issue with the O-rings. That was where the water was gathered where it shouldn't be.
I noted the lack of pressure for contact on the O-rings as well. It was flimsy at best. The screws were kinda loose I tried to tighten them more upon re-assembly but they wouldn't go in more. Either the screw holes aren't threaded deep enough or the screws are too long causing the poor O-ring pressure. Something to do with that section. Thicker O-rings should do the trick.

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post #13 of 20 (permalink) Old 03-10-2020, 09:17 AM
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Quote: Originally Posted by Nighthog View Post
The top isn't acrylic it's vinyl. Though I'm unsure what the middle part is made from, looks like regular transparent plastic. They were fine. I looked at them at the first time. Why I concluded the pressure issue with the O-rings. That was where the water was gathered where it shouldn't be.
I noted the lack of pressure for contact on the O-rings as well. It was flimsy at best. The screws were kinda loose I tried to tighten them more upon re-assembly but they wouldn't go in more. Either the screw holes aren't threaded deep enough or the screws are too long causing the poor O-ring pressure. Something to do with that section. Thicker O-rings should do the trick.
As I said, check the screw threading. Pressure could have been enough rip out the screws and strip the threading (I'm assuming the screws are threaded into the vinyl top)? If so, either I would try to RMA or drill out and retap the vinyl top. M3 or M4 tap should do.

Asus Prime Z370, Intel 8700k @5.0Ghz, Nvidia GTX 1080 Ti, 16GB @3400 CL14, Watercooling: x2 MCP355 pumps, x1 280 on front of case, x1 360 on top of case, x1 140 on back of case, x1 240 on bottom of case
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post #14 of 20 (permalink) Old 03-10-2020, 11:28 PM
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Sounds to me like the water got so hot after the pump stopped it may have buckled the cpu block causing it to leak. I'd go with Shawnb99's suggestion and replace it.
If you have a pressure problem, try one of these and add it to the top of your res. I use a MPS 400 for flow, pressure in my system was causing it to give spurious readings. Adding the above sorted the problem.

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post #15 of 20 (permalink) Old 03-12-2020, 05:19 PM - Thread Starter
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Decided to do the rework today. Wasn't too eager but had to be done. The pump refused to start again so I decided to take most of the things out and redo everything.
Cleaned the pump and other parts around.
I do hope it won't give me trouble again. Was struggling at times when starting but the cleaning seemed to have done the trick, I hope.

Thus far after some trouble with the fitting in the block that you can see attached. It was stuck solid. Had to get some heavy duty pliers to try to get it off after assembly, it was leaking. It wasn't making proper contact.
There was some kind of weird issue with the threads with the "out" port and the fittings I have. I found one adapter part that worked as it should and would screw in properly. But most fittings wouldn't they got stuck only half way. I had managed to screw in the first fitting all the way at some point but several diss-assemblies had made it bad, not to making a proper seal. Leaked when I was filling the system up again. Took a couple hours to get it off and find a fitting that would go in. More hassle than I had asked for.

The spare O-rings I put into the block seemed to have worked but it will take some hours before I know for sure. It wasn't apparent it was leaking until about 2hours the last try with the original O-rings. I have the black ones inside now. Was a damn hardto get them to stay with the weird shape they need to be in the groove. They really don't want to stay in that C-like shape pattern.

Decided to make it easier to get to the pump if it's giving me trouble in the future, I have my old one still around if it really needs to be replaced.

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Last edited by Nighthog; 04-01-2020 at 03:46 AM.
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post #16 of 20 (permalink) Old 03-13-2020, 05:38 AM
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Try not to leak test with the loop installed

You can do it in the sink without risking your computer.

AND IS THAT A RAM WATER SINK? Holy throwback Thursday. But on a Friday.

Asus Prime Z370, Intel 8700k @5.0Ghz, Nvidia GTX 1080 Ti, 16GB @3400 CL14, Watercooling: x2 MCP355 pumps, x1 280 on front of case, x1 360 on top of case, x1 140 on back of case, x1 240 on bottom of case
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post #17 of 20 (permalink) Old 03-13-2020, 09:45 AM - Thread Starter
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All seem to be ok and no leakage since the change. Should be alright now.

RAM block for heat issue with my RAM OC. Was a constant issue getting in the way with heat at times. The cooler ram I can now push more voltage. Though Micron Rev.E aren't too useful to push voltage on. They can take a lot but you don't gain timings with it but the main CL.

Gigabyte X570 AORUS XTREME, Ryzen 7 3800X 4.4Ghz, 4266/1900 MEM/FCLK, 16.26.19.45.76.tRFC 650 1T 1.600V
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OLD: Biostar x470GT8 Ryzen 7 1700 @ ~4.0Ghz CPU, 3200Mhz RAM ...
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post #18 of 20 (permalink) Old 03-16-2020, 06:48 AM - Thread Starter
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Just a quick update after a few days. Nothings is wrong. Everything is working as it should now with the O-ring change.

It wasn't as bad as some might have suggested. It was still a completely serviceable block. Though I'm more aware not to let the block overheat in the future if the pump isn't working.

Gigabyte X570 AORUS XTREME, Ryzen 7 3800X 4.4Ghz, 4266/1900 MEM/FCLK, 16.26.19.45.76.tRFC 650 1T 1.600V
4x8Gb Kingston HX434C19FB2K2/16 3466C19 1.2V (Micron E-die 16nm)
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post #19 of 20 (permalink) Old 03-16-2020, 10:27 PM
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If you still have the pressure problem i'd still recommend the pressure equalization membrane from Aquacomputer I posted above. Mine sits on the top of my res, replacing the fill port. It just allows any unequal pressure to escape.

"No s*** lady, does it sound like I'm ordering pizza!"
Corsair 900D
(29 items)
CPU
Intel E4790k Haswell
Motherboard
Asus ROG Maximus VII Watchdogs
GPU
EVGA 1080 SC Gaming
RAM
Corsair Dominator Platinum
Hard Drive
Samsung SSD
Hard Drive
Samsung SSD
Hard Drive
Samsung SSD
Optical Drive
LG Blu Ray Rewriter
Power Supply
Corsiar AX1200i
Cooling
EK XTOP Revo Duel D5
Cooling
2X EK Radiator 360 PE
Cooling
EK Supremacy EVO
Cooling
EK 1080 Full Cover Waterblock
Cooling
Aquero 6 XT
Cooling
Aquero MPS 400 Flow Sensor
Cooling
9X Gentle Typhoon Fans
Cooling
Aquacomputer Hubby7
Cooling
4x Aquacomputer Splitty9
Cooling
Aquacomputer Poweradjust USB 3 Ultra Version
Case
Corsiar 900D
Operating System
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Razor Orbweaver
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Mouse
Razer Mouse Mat
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post #20 of 20 (permalink) Old 03-17-2020, 12:48 AM - Thread Starter
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Quote: Originally Posted by Bartdude View Post
If you still have the pressure problem i'd still recommend the pressure equalization membrane from Aquacomputer I posted above. Mine sits on the top of my res, replacing the fill port. It just allows any unequal pressure to escape.
I've thought of something like that but I can't have it on the reservoir right now. It's on it's side in my system. It would be in contact to water where I could place it. Would need to change layout completely.

The pressure seems to have become slightly less of a problem with the slight change of the system when I changed the O-ring. But I will keep it in thought and probably get it when I order parts next time. Whenever that comes around, I'm mostly happy with what I have now and have no plans to change anything unless something breaks.

Gigabyte X570 AORUS XTREME, Ryzen 7 3800X 4.4Ghz, 4266/1900 MEM/FCLK, 16.26.19.45.76.tRFC 650 1T 1.600V
4x8Gb Kingston HX434C19FB2K2/16 3466C19 1.2V (Micron E-die 16nm)
OLD: Biostar x470GT8 Ryzen 7 1700 @ ~4.0Ghz CPU, 3200Mhz RAM ...
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