Can You Change Rod Bearings with Engine in Car?

Rod bearings are a critical component of an engine. They allow the crankshaft to rotate smoothly and without excessive friction. Over time, rod bearings can wear out and need to be replaced.

Traditionally, replacing rod bearings has been a major undertaking that required removing the engine from the car. However, there are now new techniques that allow rod bearings to be replaced with the engine still in the car.

Advantages of Changing Rod Bearings with Engine in Car

Less labor-intensive: Changing rod bearings with the engine in the car is less labor-intensive than removing the engine. This can save you time and money.
Less risk of damage: Removing the engine from the car can increase the risk of damage to the engine or other components. Changing rod bearings with the engine in the car eliminates this risk.
More convenient: Changing rod bearings with the engine in the car is more convenient than removing the engine. You don’t have to worry about finding a place to store the engine or transporting it to a mechanic.

Disadvantages of Changing Rod Bearings with Engine in Car

Less access: Changing rod bearings with the engine in the car can be more difficult than removing the engine. This is because there is less access to the rod bearings when the engine is in the car.
More difficult to align: Aligning the rod bearings correctly is critical for the engine to run smoothly. It can be more difficult to align the rod bearings when the engine is in the car.
More risk of contamination: When changing rod bearings with the engine in the car, there is a greater risk of contaminating the engine with dirt or other debris. This can lead to engine damage.

Is It Possible to Change Rod Bearings with Engine in Car?

It is possible to change rod bearings with the engine in the car. However, it is a challenging procedure that should only be attempted by experienced mechanics. If you are not experienced in working on engines, it is best to leave this job to a professional.

How to Change Rod Bearings with Engine in Car

If you are experienced in working on engines and you decide to change rod bearings with the engine in the car, follow these steps:

Remove the oil pan.
Disconnect the connecting rods from the crankshaft.
Remove the rod bearings.
Clean the crankshaft and connecting rods.
Install new rod bearings.
Reconnect the connecting rods to the crankshaft.
Install the oil pan.

Conclusion

Changing rod bearings with the engine in the car is a challenging procedure, but it is possible for experienced mechanics. If you are not experienced in working on engines, it is best to leave this job to a professional.