The coolant passage repair kit, Part No. 3823679, consists of the following components:
Sealing and retaining compound is also available in a 250 ml bottle, Part No. 3823689.
The coolant passage repair inserts for the N14 cylinder block are available in packages of 50, tool Part No.
3823688.
NOTE: If the reamer extends too far down in the hole, it will hit the radius of the coolant jacket and deflect the drill sideways, causing the hole to be out of round. Severely out of round holes will affect the performance of the insert.
Ream through with the 29/64-inch reamer.
Set the tap depth with the tap stop to one inch.
Tap until the stop contacts the cylinder block head deck surface.
Clean the threads with safety solvent, Part No. 3823717.
Allow to dry.
Clean the coolant passage insert with a safety solvent, Part No. 3823717.
Allow to dry.
Liberally apply the sealing and retaining compound to the coolant passage insert threads.
Start the insert with your fingers, and install it approximately half way.
Liberally apply the sealing and retaining compound to the upper half of the thread, and finish installing with the
installation tool.
Blend the top of the insert and the block with a file.
