Question about 1993 Buick Roadmaster

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Freeze Plugs I have a 1993 Buick Roadmaster and the water pump went out which caused it to run hot .I replace the water pump but now its leaking water from back of the engine. I was told told that I needed to change the freeze plug , well how exactly do I do that ?

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Freeze plugs are generally pried out and pounded in, although some are available that seal by squeezing a rubber piece between washers. Use 2 wrenches to tighten these. All generally available at auto parts stores.

The real problem is often getting to the leaking freeze plug. Some are on the lower sides of the block with plumbing and accessories blocking access. There are also some on the rear surface of the block, which usually require separating the transmission from the engine to replace.

Posted on Aug 30, 2008


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Could freeze plugs cause my Lincoln navigator 5.4l engaging leak water from back of engine and oil from the side of engine

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How to replace water pump on 1993 buick roadmaster

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I gave you the wrong pump it was the water pump that was changed

There is a shaft seal in automotive water pumps that can fail.
You will know if it's that seal because water will be dripping from the bottom of the water pump.
If the water is not near the water pump, then look for a freeze plug that is leaking.

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