What is engine blow-by back compression?

Engine blow-by is compressed air and fuel in the cylinder combustion chamber going through the piston rings into the crankcase ventilation, usually due to worn piston rings, worn pistons, or a damaged cylinder wall. If the pistons are leaking and causing the blow-by, you may also notice a loss of horsepower.

What happens during engine overhaul?

Engine overhaul is basically giving your engine a new life. It consist of deconstructing of the engine and having new internal components such as new pistons, piston rings, main bearings, valves and springs. There are many more steps to be listed but just know that other than the engine, everything inside will be new!

What are the symptoms of blow-by?

Engine Blow by Symptoms

• Blue Exhaust Smoke. A blue cloud of smoke blowing from the exhaust pipe may be a sign that your vehicle’s engine is blown up.
• White Exhaust Fumes.
• Knocking or A Rattling Engine.
• Coolant in Engine Oil.
• Engine Failure.

How long does a overhaul engine last?

You might not have to worry about the motor in your car for a long time if you do it right. If an engine rebuild is done properly, it can last over 100000 miles! And even just maintaining the vehicle and doing some of the work on its own will help keep that mileage up as well.

When should you top the engine overhaul?

In connection to that, the following are the major issues that you need to observe to opt for an engine overhaul:

• White smoke coming out your car’s exhaust.
• Excessive fuel consumption.
• Reduced power.
• Unusual knocking noise when accelerating.
• Valves are damaged and no longer closes well.

How much does an engine overhaul cost?

A typical engine rebuild is between $2,500 and $4,000 in parts and labor costs. This type of engine repair might include simply replacing bearings and seals, and obviously taking the engine out and re-installing it. It could be much higher too.