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How to Install Head Studs

Head studs increase the holding power between the engine block and the engine head. This keeps an installed head gasket in place when under the stress of a high horsepower engine. A head stud looks similar to a bolt without the hex head. The coarser threads of the stud hold secure in the threaded holes of an engine block and the finer threads hold a nut to keep the head secure to the engine block. Improperly installing head studs will cause damage to the engine block and to the head, costing you a lot of money in replacement parts.

Instructions

1

Spray brake cleaner into a threaded engine block hole. Push the end of a pipe cleaner into the hole to clear it of debris. Pull the pipe cleaner from the hole. Rotate the pipe cleaner and push the other end in the hole. Repeat the process of spraying brake cleaner and cleaning the hole with pipe cleaners until the end of the cleaner pulls from the hole free of debris.

2

Thread a chaser tap in the cleaned hole. Run the tap to the bottom of the hole. Remove the tap. Spray brake cleaner in the hole. Push a wire brush in the hole. Pull it quickly from hole. Repeat the wire brush cleaning three to four times. Blow compressed air in the hole to remove remaining debris. Clean each threaded engine block hole as described.

3

Apply red threadlocking sealant on the larger coarse threads of the head studs.

4

Align the sealant coated threads of each head stud with a threaded engine block hole. Turn each bolt clockwise with the correctly sized wrench until the stud tightens in the hole and the bottom of the stud hex nut sits tight to the top of the engine block.

Posted by Unknown at 4:26 PM

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