Repairing stripped threads on the head from those DAMN Valve cover bolts!

[beeza]

Disclaimer: The following is provided as a GUIDE ONLY, and neither myself nor Ozhonda take any responsibility for the outcomes of someone else doing the following. You follow these steps at your own risk!

Aim: To repair/fix a stripped thread on the head from the Valve cover bolts OR you can just do this to make the valve cover bolts Nice and Strong on the head,therefore compression loss between the valve cover and head is zero especially if one valve cover bolt isnt holding properly.

OR U may use this DIY to learn how to retap a new thread.

Very simple to do,don't be intimidated by it.Anyone can do this,it's that easy!


Required:

* Helicoil kit
* Drill
* Shifter
* Ratchet and socket


Steps:

Here's the Helicoil kit/Thread repair kit:





50 bucks!

Make sure you get the correct size for your application.The valve cover bolts are 6mm.So I need a 6mm thread repair kit.They call it 'M6'

Remove the Valve cover:



Find the threads you wish to repair:



Put a rag around where you are drilling to catch all the metal shavings,keep those little buggers out of ya engine!

Grab your 6mm drill bit from the kit and drill out the old thread.Easy as.Simply hold the drill straight,point it straight down into the hole and drill,it will drill out the old thread.It's easy because the drill will follow the hole,you cant bugger it up unless you were holding the drill at quite an angle:





Vacumn em' up!



A magnet! Come ere' ya little buggers!



Use your fingers too,keep them outta there!

OK,now grab your re-threading tool,put it into the hole,keep it straight,easy to do,and simply wind it into the hole:



Wind it in a bit:



Grab your thread,3 lengths to choose from:



Umm,the middle one please: