Hi Guys.

My Cylinder head bolt hole threads that holds the plate for injectors are damaged. Can helicoil threads repair works.

Your advice will be appreciated.

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Yes it will have to be embedded more inside or maybe get someone to weld on that piece(aluminium) and insert coil.

Or put a timesert/ threaded insert. That will work just make sure the insert is deep enough.

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Thank you very much.

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Those bolts are torqued down with massive amounts of torque, so a helicoil will strip very easily, so don't even go that route.

First stage torque - 3Nm
Second stage - 90 degrees
Third stage - 180 degrees

A Timesert thread repair will work, read about it being done on a few motors and no issues.

Jetta2 wrote:Those bolts are torqued down with massive amounts of torque, so a helicoil will strip very easily, so don't even go that route.

First stage torque - 3Nm
Second stage - 90 degrees
Third stage - 180 degrees

A Timesert thread repair will work, read about it being done on a few motors and no issues.

Thanks man. Where can l find Time sert in Johannesburg??

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