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waterblock/heatsink tightening order

post #1 of 3
Thread Starter 
tightening order of your screws or bolts of any waterblock or heatsink (especially on a naked core) is pretty important and may not be overlooked.
For example when you tighten on one side first then the other, psychical stress will occur on your CPU/GPU core, on naked CPU's sides can chip off, possibly PERMANENTALLY damaging your CPU/GPU (completely unworkable), this will not be the case for chips with IHS (maybe in some extreme case) however if you follow the tightening order listed below you can reduce the chances to a minimum,
also the fine tuning part can lower your temperatures a little more, or even get a higher OC stable, (Be careful when fine tuning, not for people with shaky hands)

4 bolt/screw:
after applying thermal paste, mount the waterblock/heatsink and make sure it is completely flat on the core/IHS, first put all bolts/screws in place by hand (1->2->3->4 in the pic) put them all on very loose,
then start tightening them in the order below, not too tight! just tight enough.
Keep a little room for fine tuning.....
after putting it all together Boot the system....start Coretemp
and put your system under stress using Prime95
now very carefully tighten/loosen the bolts step by step (in the correct order) to fine tune, and find the sweetspot based on the temps......




2 bolt/screw system:
apply thermal paste and place the waterblock/heatsink on,
Put the bolts/screws in very loose, tighten them step by step 1->2->1->2, make sure they are tight enough to keep everything in place, but leave some room for fine tuning
after putting it all together Boot the system....start Coretemp
and put your system under stress using Prime95
now very -> carefully tighten/loosen the bolts, make sure you dont accidentally bump or even move the waterblock (this is very important, chance of chipping your CPU is very big on 2 bolt/screw mounting mechanism's) step by step (in the correct order listed below) to fine tune the waterblock/heatsink and find the sweetspot based on temps......



on naked cores (in my experience) this can drastically change your temps lower/higher, so make sure you be careful while doing this, retrace the steps you took if temps seem to go up, but if done correctly it can be very rewarding -5c on naked cores up -2c with a IHS
Monitor the right temperature!!-> internal core temperature.....mine shows up with coretemp or everest <-(CPU Diode)
The tightening order can also be applied to gpu's, vf900 should be an easy fine tuner, stress with atitool....(4 bolt instructions)

Source of the pic's:http://www.thermaltake.com/product/L...6/cl-w0076.asp
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Hard DriveOptical DriveCoolingOS
Corsair GT SSD Sony Sata optical drive Coolermaster Z600 Media Center/Home/vista Ultimate/W7 
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Samsung 40" TV Razer Lycosa/LogitechG13/Belkin n52te Antec 650W triple rail Thermaltake shark bigtower 
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post #2 of 3
Alternating just like tightening the lugs on a tire. I snap my heatsinks in this exact same way.
Mira
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Mira
(17 items)
 
R a z a N e u n
(15 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i5 2400S ASRock Z77 Extreme 4 AMD Radeon R9 390 Crucial Ballistix Tracer 
Hard DriveHard DriveOptical DriveCooling
Samsung SSD 850 Pro 256GB Western Digital WD50000LPLX LG BR/DVD/CD Burner Air Nation 
OSMonitorMonitorMonitor
Windows 10 Home RCA 32" 1080p RCA 32" 1080p LG 32" 1080p 
KeyboardPowerCaseMouse
Cooler Master Devastator II Ultra 1000w PC Voodoo Rage Cooler Master Devastator II 
Mouse Pad
Custom 
CPUMotherboardGraphicsRAM
Intel Core 2 Quad Q8400 EP45-UD3L ATI Radeon HD 6950 Crucial Ballistix Tracer 
Hard DriveOptical DriveCoolingOS
1TB Western Digital LiteON DVD+-RW ArcticCooling CPU | 4x 80mm Case Fans Windows 7 Ultimate (64bit) 
MonitorKeyboardPowerCase
Sony 46" + LG 32" Logitech G15 Silverstone ST60F 600W VoodooPC Rage D:100 
MouseMouse PadAudio
Logitech VX Revolution Vera Wang AltecLansing 5.1 300W Surround 
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post #3 of 3
Thread Starter 
Quote:
Originally Posted by Modki View Post
Alternating just like tightening the lugs on a tire. I snap my heatsinks in this exact same way.
yeah i believe most people that know something about cars automatically apply this tightening rule......but worth to be mentioned here too......
Current rig
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7 2700K Gigabyte GA-Z68X-UD3H-B3 EVGA GTX670 FTW Kingston Genesis 
Hard DriveOptical DriveCoolingOS
Corsair GT SSD Sony Sata optical drive Coolermaster Z600 Media Center/Home/vista Ultimate/W7 
MonitorKeyboardPowerCase
Samsung 40" TV Razer Lycosa/LogitechG13/Belkin n52te Antec 650W triple rail Thermaltake shark bigtower 
MouseMouse PadAudio
Steelseries Sensei / Razer Taipan Custom teflon Creative X-fi Platinum 
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Current rig
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7 2700K Gigabyte GA-Z68X-UD3H-B3 EVGA GTX670 FTW Kingston Genesis 
Hard DriveOptical DriveCoolingOS
Corsair GT SSD Sony Sata optical drive Coolermaster Z600 Media Center/Home/vista Ultimate/W7 
MonitorKeyboardPowerCase
Samsung 40" TV Razer Lycosa/LogitechG13/Belkin n52te Antec 650W triple rail Thermaltake shark bigtower 
MouseMouse PadAudio
Steelseries Sensei / Razer Taipan Custom teflon Creative X-fi Platinum 
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