Anyone put new loctite on when replacing HD?

[camshaft]

Hey guys,
When I opened my MBP I saw the blue loctite on the screws. As a car guy I go by the general rule that when you remove a loctited screw you clean it off and reapply some. I don't see people on here doing so though. Is there a specific reason or do people just not bother? (To anyone considering putting new loctite back on though, don't accidentally use the red one!)

Thanks,
Austin

 

[xpovos]

Once the drive is placed, there's no real way for the screws to loosen enough to cause a problem, even if there were enough vibration to make it happen. Another application of Loctite wouldn't serve any real purpose, as far as I can tell.

 

[fehhkk]

Yeah, I saw the blue loctite. I didn't put it back on any screw, even though I have some. If I ever see one of the bottom case screws becoming loose, I will apply... No issues so far without it.

 

[RITZFit]

yup, no need. my computer has been fine since I opened it up about a yr. and a half ago. Plus I doubt the computer is going to be producing any vibrations significant enough to really need thread lock

 

[andersonmattt]

I opened my i7 up a few months ago to swap out the hd. Ever since i have, three screws on the bottom left corner come loose after some use. it usually isn't a problem because i have an incase hardshell on it, so there's nowhere for them to go. The loctite that i bought says 125 lb strength. would this be too much to put on to keep the screws in place?

 

[DrivenDaily]

I opened my i7 up a few months ago to swap out the hd. Ever since i have, three screws on the bottom left corner come loose after some use. it usually isn't a problem because i have an incase hardshell on it, so there's nowhere for them to go. The loctite that i bought says 125 lb strength. would this be too much to put on to keep the screws in place?

125 lb-in? Is that breakaway torque or prevailing torque? Seems way too high to be something reasonable to loosen with a screwdriver later on.

Blue is designed to be removed with hand tools and should breakaway easily with a screwdriver when used on zinc plated screws like the ones on the unibody and newer MBPs.

Heavier duty ones (red loctite) are designed to be removed with heat and I doubt you want to break out a torch near your hard drive...

TBH you should be fine just torquing your existing ones down a bit more. I've swapped many drives in the past and never had issue with screws coming loose. Poor hole-screw tolerance may be at play in your situation.

 

[andersonmattt]

Yeah, its the blue 242 loctite. I guess I'll just dab a little on and hope for the best, Thanks

 

[srshaw]

I wouldn't be putting loctite on something so delicate. I would think you could easily mangle the screw heads trying to get them undone.

Apple don't install macs using loctitie, so it shouldn't be needed.