1/16/2024 0 Comments Pin popsPlace the tip of the drift punch on the end of the piston pin that is protruding from the connecting rod. The size of the drift punch should be slightly smaller than the inside diameter of the piston pin bore. You will need two tools to remove a press fit piston pin- a hammer and a drift punch. What Tools are Needed to Remove Press Fit Piston Pin?Īssuming you are removing a press fit piston pin from an engine: Then align it with the hole in the connecting rod and tap it into place using a hammer and punch (again, being careful not to damage anything).įinally, secure the new pin in place with a retaining ring or cotter key. To do this, start by lightly lubricating the new pin with oil. If everything looks good, you can install the new piston pin. Once the old pin is out, clean up any debris and inspect the surfaces for wear. Once this is done, the pin can be gently tapped out with a hammer and punch.īe careful not to damage the piston or connecting rod while doing this. The first step is to remove the cotter key or retaining ring that secures the pin in place. How Do I Remove Pin from Piston?Īssuming you are referring to a piston pin in an internal combustion engine: Make sure that the bolts are tight so that the rod doesn’t move while you’re doing this. This will compress the rod so that you can slip the wrist pin in place. Place the wood on either side of the connecting rod, and then bolt them together. If you don’t have a press, you can put on a wrist pin by using two pieces of wood and some bolts. How Do You Put on a Wrist Pin Without a Press? Next, use a drift or punch to drive the wrist pin out from the small end of the connecting rod.īe sure to support the other side of the connecting rod so it does not become damaged. The first step is to remove the circlip that holds the wrist pin in place. Your tool is now ready for use! To remove a wrist pin from your engine block, simply place one end ofthetool againstthepinand strikeitwiththehammeruntilitpopsoutofthehole(youmightneedtouseaslightlylargerpieceofmetalifyourwristpinispressedinreallytight).Īssumingyouhaveametalworkingshopavailabletoyou…Īssuming you are referring to a small end connecting rod bearing and not a piston pin: Repeat this process on the other side with another piece of scrap metal.įinally, place the washer over each end ofthe rod and secure it with a nut (again, making sure to apply threadlocker). Place the die onto one end of the rod and screw it on tightly by hand. Place the threaded rod through one of the holes in the scrap metal so that it sticks out on both sides. Make sure that you apply some threadlocker compound to the threads before beginning so that they do not come loose during use. Once the holes are drilled, use the tap set to thread them. These holes should be slightly smaller than the tap set that you are using. Next, use the drill to create two holes in the scrap metal, one at each end. The last thing you will need is a hammer. You will also need a piece of scrap metal that is about 3/4 inch thick and about 6 inches long. You will need a drill, a tap set, a die set, and some threadlocker compound. The first step is to gather the supplies that you will need. With this tool, you can easily remove the wrist pins from your engine without having to take it apart. This type of tool is very simple to make and only requires a few tools that you likely already have in your garage or workshop. Inspect the connecting rods for wear and damage, and replace if necessary Homemade Wrist Pin Removal ToolĪ homemade wrist pin removal tool is a great way to save money and time when removing the wrist pins from your engine.Remove the other wrist pin in the same manner.Insert a small drift punch through one of the wrist pinholes in the piston and drive out the wrist pin.Remove the piston from the cylinder using a piston ring compressor.Here’s a step-by-step guide on how to do it. With the right tools, you can easily remove them without any damage to the pistons or other engine parts. If you’re working on an engine and need to remove the wrist pins, there’s no need for a press.
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