2 3/16"
I have never replaced one this model but in order to change a freeze plug you really need to pull the entire engine out and usually many of the accessories on the engine in order to pull it out with a channel lock or similar tool. than simply tap a new freeze plug in.
Yes, several.
To replace a freeze plug on a 1991 Mercedes 190E, first drain the coolant from the engine. Remove any components obstructing access to the freeze plug, then use a punch or a suitable tool to carefully tap the old freeze plug out. Clean the area before installing the new freeze plug, ensuring it is seated properly, and then reassemble the components. Finally, refill the cooling system with coolant and check for leaks.
You have a corroded core plug (sometimes called a freeze plug)
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a round one that you can order online
There are multiple freeze plugs for these motors. From memory ther are 3 freeze plugs located down the each side of the block and possibly one located on the head.
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.032 on an 89. You can verify at partsamerica.com and enter your vehicle.
To change a freeze plug on a 1991 Ford 302 engine, first drain the coolant and remove any obstructions to access the freeze plug. Use a punch or chisel to carefully tap around the edge of the old plug until it loosens, then pry it out. Clean the area thoroughly and apply sealant to the new freeze plug before tapping it in place, ensuring it is seated properly. Finally, refill the coolant and check for leaks.
no such thing,freeze in plug
The steel freeze plug is better than a brass freeze plug. This is because the steel freeze plug can withstand high temperature from the engine block. Moreover, the steel freeze plugs usually fit very well.