Heat sinks heat pipe construction.

Question

MacBook Pro 15" Unibody Late 2011

Released October 24, 2011 / 2.2, 2.4, or 2.5 GHz Quad-core Intel Core i7 Processor

405 个问题查看全部

Teemu Velin @palsteri

声誉积分: 23

1

发帖于: 2016年10月7日

更多选项

Heat sinks heat pipe construction.

Hi!

Im refurbishing my old 15" 2011 macbook pro with quad core i7.

Im cleaning and reapplying thermal pastes atm, and I got an strange guestion, I thought you at ifixit are propably the most qualified persons willing to answer this one.

The heatsink has 2 heatpipes which seems to run trough both CPU and GPU contact areas. But I noticed when I stressed my CPU and fiddled with Fan operation, that only the Left side fins (if I remember correctly) got hot, and only left side fan blowed warm air. The right side got warm too, but noticeably less.

What my guestion really is:

Does the both heatpipes connect to both GPU and CPU or is GPU and CPU connected to their own heatpipes?

Just that if they both should have contact with CPU and GPU, my heatsink might have problem with the contact on one of the heatpipes and is better off replaced.

Much appreciated :)

已回答！ 显示答案我也有这个问题

这是一个好问题吗？

是否

得分 1

添加一条评论

1个答案

已选择的解决方案

Dan @danj

声誉积分: 480.5千

Self employed contract worker

35

330

971

发帖于: 2016年10月7日

更多选项

Yes, both heat pipes are connected to each of the heat sinks as you can see here: MacBook Pro Heatsink

And yes yours had a problem! It is fitted with a liquid coolant which has leaked out. You might see some staining on your logic board.

When you get the replacement make sure you don't confuse them ;-} Hint: with a good gram scale you can weigh them the lighter one is the bad one.

这个答案有帮助吗？

是否

得分 1

1条评论:

I have the MPB disassembled, and I can see they are at equal length and should make contact to both.. Just cant see how the heatpipes are in contact underneath. But all evidence points to the they should be equally connected to both CPU and GPU. Or it would be really strange decision from engineering point of view. Better just get an replacement sink to be safe.

由 Teemu Velin 完成的 2016年10月7日

添加一条评论

I have the MPB disassembled, and I can see they are at equal length and should make contact to both.. Just cant see how the heatpipes are in contact underneath. But all evidence points to the they should be equally connected to both CPU and GPU. Or it would be really strange decision from engineering point of view. Better just get an replacement sink to be safe. — Teemu Velin

MacBook Pro 15" Unibody Late 2011

Heat sinks heat pipe construction.

1个答案

添加你的答案