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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Feb 2008 Posts: 217 Shop Shark | | Shop Shark Joined: Feb 2008 Posts: 217 | I've got everything apart on my 46 1/2 t 216. I've supported the motor with wood blocks and jack stands and got the bell housing off. The back of the motor is totally exposed. Now to the point of this whole ordeal, the leaky expansion plug at the backside of the block. How do you remove this plug? I was thinking of a slide hammer unless there was another way.
Thanks, Rick. | | | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | Take a small sharp punch and punch a hole in it, a little off center. Then you just have to pry it out. It sits on a little shoulder. Here is a link to photos of when I replaced mine. frost plug | | | | | Joined: Sep 2010 Posts: 575 Shop Shark | | Shop Shark Joined: Sep 2010 Posts: 575 | When I pulled mine out I knocked two of the plugs into the block with the punch - but they came out no problem with a pair of needle nose pliers. So don't panic if it falls in. | | | | | Joined: Feb 2008 Posts: 217 Shop Shark | | Shop Shark Joined: Feb 2008 Posts: 217 | thanks for the replies. I will try them
Rick | | | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | The ones in the side have sides on them and no ridge inside the block. They push in easily. | | | | | Joined: Dec 2001 Posts: 14,522 Moderator: Welcome Centre, Southern Bolters, Legion Hall | | Moderator: Welcome Centre, Southern Bolters, Legion Hall Joined: Dec 2001 Posts: 14,522 | ....since you can get to it easy just take a punch or screw driver and hit it on the edge which will make it turn so the edge if facing you, then take a screw driver and it'll pop right out.
......I once rebuilt an engine and when I stuck my fingers down inside the block, after taking the freeze plugs out and vatting the block, I found SIX freeze plugs inside the block. Lots of time mechanics would just knock them in the block depending on how hard they were to get to.....but for me, I don't want anything restricting the water flow!!! | | |
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