4WDrive - - Garage Gear -

Af­ter clean­ing any metal out of the hole and en­sur­ing no oil has con­tam­i­nated the new threads, it’s time to prep the Heli Coil in­sert. We like a lit­tle Loc­tite for added in­sur­ance.

Us­ing the sup­plied tool, thread the in­sert un­til it is just be­low the fin­ished sur­face.

Make sure to let the Loc­tite have some time to cure. On the bot­tom of the threaded in­sert is a “tab” that can ei­ther be bro­ken off and re­trieved, or left as is. On blind holes, we nor­mally just leave the tab in place, as it can be a real PITA to break it off and re­trieve it with­out caus­ing more dam­age. On through holes like this one, a punch and ham­mer are the weapons of choice.

Here is our man­gled bell­hous­ing af­ter the re­pair was made. In all like­li­hood, the re­paired stain­less steel thread will be stronger then the orig­i­nal alu­minum ones ever were.

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