What are the signs of a cracked engine block?


What are the signs of a cracked engine block?While a cracked engine block is not a common occurrence, it is a major problem when it does happen. In this scenario, in order to keep your vehicle running, you'll need a replacement engine. Your block contains your combustion chamber and other internal engine parts. If it cracks, your safety becomes compromised. To remedy this, you can have a used or rebuilt engine installed. Here's a look at four signs of a cracked engine block.

Antifreeze and Oil Become Mixed

Whenever an oil change or coolant flush is done, it's important to pay close attention to the color of the fluid. A cracked block can allow these two fluids to mix, which will then create a milky appearance.

Loss of Power

A decrease in engine power is a classic sign of a cracked block. This will likely result in a loss of compression, which will lead to poor performance and rough idling. As soon as you notice this symptom, you'll want to get your car to the shop.


It's possible for a crack in the engine block to cause an antifreeze leak. If this occurs, then your engine will become prone to overheating, which can cause significant trouble. Symptoms of overheating include a high reading on your temperature gauge, as well as smoke rising up from under your hood.

Engine is Smoking

A cracked engine block can lead to exhaust fumes escaping through the block instead of being properly sent through the exhaust system. This smoke will often have a blue tint, or might be blackish gray. When this symptom arises, there's a good chance that performance issues will also occur.

If you suspect that you could have a cracked engine block, be sure to visit a reputable specialist who can conduct accurate diagnostics. For engine diagnostics and engine replacement in Phoenix, Tempe, and Mesa, AZ the experts to contact are at Discount Engines at (480) 351-6068. Feel free to give Discount Engines a call today to inquire about rebuilt engines in Mesa!

Discount Engines Blog

Written and Published By MORBiZ

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