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Would using grease on the drill and tap work or would that mess with the helicoil?

Thanks everyone I plan on removing the turbo and exhaust manifold today or tonight I also have to remove a broken bolt from the thermostat housing, that should be fun.

Yea I noticed that in your video and I am going to do it that way I am mainly worried about the drilling part because from what everyone is telling me I can easily mess up the hole but I thought the aluminum around the hole would be strong enough to help guide the drill bit and not widen as easily.

Anybody have any tips on drilling the holes? It seems like it is very easy to mess up on this step and widen the hole I figured the hole itself would help prevent the drill bit from going nuts and widening it.

Alright I got the tools, a right angle drill, NAPA helicoil kit with 13/32 dirll bit and M10 X 1.25mm helicoils and a tap.

Doubly agreed, it's easy to mess up while applying FIPG or stuff like that especially in that area of the motor with little room to see and move around. A metal gasket or something that can stand up to the temperatures is peace of mind.

Hopefully I can get a metal gasket for the EGR cooler in time.

Numba1stuna, I found your helicoil videos on youtube. I love you so much right now lol but where is part 2? Double check, if I use a 13/32 drill bit and m10-1.25mm tap I can re use the OEM studs correct? Oh hell yeaaa!!! My friend found the helicoil kit he has and it is exactly what I need.

Will do. The weather is getting nice down here in Houston so I will be doing this very soon maybe thursday. What should I use to clean the studs, more brake cleaner?

Alright I will try to find some nickel based anti-seize, where can I get locking nuts and should I get the same kind like take the OEM nuts to a hardware store and get the same thing?

Alright skipping locktite but I should use anti-seize on the nuts right?

Gotcha, thanks for the tips and advice I will report how it goes once I get everything and remove the turbo and exhaust manifold.

Would a wire brush be too harsh or should I just use a rag to clean the threads?

Ah yes I will do that once I get what I need I will make a check list and check off each step.

Ahhh okay I see. I will check for that and hopefully won't have to deal with that pain lol. Luckily my friends have the tools I need to re tap the exhaust studs. Forgive for this but as I have said before in this thread I like to be 110% clear on what I am doing especially with situations with...

Thanks for the info I will look into it. How would I know if my EGR cooler goes bad or the gasket blows?

That is a good point. So for OEM studs I'd need a 10.25mm drill bit and tap?

I want to use the studs with coarse threads in the head and fine threads on the nut side I figured that would be better in the long run and overall right? Also can't hurt to replace 20 year old rusted studs and nut and speaking of which do you guys know if ACE hardware will have the studs and...

Alright my friends have the tools I need just to be absolutely clear on the sizes, I need a 7/16 drill bit and a 7/16 coarse tap and get some new studs with a coarse thread on the head end and fine on the exhaust end and new lock nuts right?

Alright great news it turns out my friend might have everything I need, one friend has a right angle drill and another friend has a helicoil kit. I just need to know the size of the drill bit and tap I need, do you guys know what the sizes are? I just found the helicoil kit on driftmotion, I'd...