360 Overheat

[Bobiskey]

I have 360 in for repair. 2 lights on front indicating overheating issue. Set it up and turned in on to check it and sure enougth within 5 mins in overheated with 2 lights indicating. Openned it up and went about a repair. Stripped the 360, cleaned out all the dust from the fans and sinks. Removed the old paste from the chips and the heat sinks. Applied some new paste and replaced the Xclamps with bolts/washers trick as I was there I figured it wouldn't do any harm. Anyway, reassembled and tested and it overheated again...

I stripped the casing off to investigate some more. Turns out the GPU is overheating. And very fast. I removed the drive to uncover the sink and ran some tests. It heats up much faster then any other 360's I've done even with the rev H heat sink with the extension.

I removed the bolt/washers and returned it to the Xclamp with the same results. It runs for a few mins. Then fan picks up stupid speeds and it shuts down with overheat lights.

I've filed it away atm to get on with some others I have in, drive repair, Xclamps and so on. But with this one i fear the GPU has been fried so much its now incapable of running under normal operations.

So my question and reason for posting is for inspiration :) Any more ideas I could try before I return this as ~~~~ed ?

[killersla]

I have 360 in for repair. 2 lights on front indicating overheating issue. Set it up and turned in on to check it and sure enougth within 5 mins in overheated with 2 lights indicating. Openned it up and went about a repair. Stripped the 360, cleaned out all the dust from the fans and sinks. Removed the old paste from the chips and the heat sinks. Applied some new paste and replaced the Xclamps with bolts/washers trick as I was there I figured it wouldn't do any harm. Anyway, reassembled and tested and it overheated again...

I stripped the casing off to investigate some more. Turns out the GPU is overheating. And very fast. I removed the drive to uncover the sink and ran some tests. It heats up much faster then any other 360's I've done even with the rev H heat sink with the extension.

I removed the bolt/washers and returned it to the Xclamp with the same results. It runs for a few mins. Then fan picks up stupid speeds and it shuts down with overheat lights.

I've filed it away atm to get on with some others I have in, drive repair, Xclamps and so on. But with this one i fear the GPU has been fried so much its now incapable of running under normal operations.

So my question and reason for posting is for inspiration :) Any more ideas I could try before I return this as ~~~~ed ?


The temperture sensor for the console overheating is actually in the cpu i have a few of these before and just experimented with how tight you fassen the screws on the cpu.

What type of screws and how many are you putting on the top of the board i.e the ones that sit underneath the heat sinks?

If you are using 1 metal and 1 nylon then just go for 2 metal and test that, if that still doesnt work just go for 1 metal on the top but dont over tighten the screws.

Hope that helps

[Bobiskey]

I use a custom kit i designed myself. Use to be an engineer (well, still am but not for money) I use a 10mm bolt. I reduced its size to 8.xx mm, I use a locking washer as a spring and thin nylon washer to protect the mother board. On the top side I use 1 nylon washer, This washer is cut from a piece of nylon tubing with a 5mm bore. It is slightly under the hieght of the die hieght from the mobo up. err.. 2. something in the thousandths (iirc). Sorry measurements are guestamates here. Sizes are at home :)

Cheers for the heads up on the temp settings being from the CPU and not both. I'll redirect my attention there.

[killersla]

the size of the washer you are using to go under the heak sinks should be 2mm along with the height of the heat sink screw holes that is the excat spacing you should have to get proper contact with the processors.

When you take the origional studs of the heat sinks just measure the lenght of the space that it creates when it is inplace its 4mm i think.

[djjwdubz]

try this mate http://www.rbjtech.net/xbox/cooling/cooling.htm

it should kick hot air's ass out. lol