What is a front crankshaft seal replacement?
The front crankshaft seals are one of the most important parts of your car. They are located behind the main pulley that drives the serpentine and timing belts, and they keep your car moving forward, protecting the undercarriage from debris and other harmful contaminants.
Crankshaft seals are typically made of extremely durable material, such as rubber or silicone. They are designed to handle high temperatures and caustic chemicals in your engine oil daily, but they are subject to wear and tear. If they allow for an oil leak, replacing the front crankshaft seals is the only way to remedy the problem.
How to replace a front crankshaft seal
The crankshaft seal is not easy to replace. Here’s how the mechanic will usually do it:
- Raise and support the vehicle on jack stands to access the harmonic balancer, located on the front motor and attached to the crankshaft
- Remove the accessory belts to get to the necessary apparatus
- Remove the faulty crankshaft seal by prying it loose using a seal puller
- Install the new crankshaft seal, lubricate the seal using fresh motor oil, and tap the seal back into place with a hammer
When do I need to replace my front crankshaft seal?
If oil is leaking from the front crank pulley of your car, oil is dripping from the bottom of the clutch housing, or your clutch is slipping due to oil spray, you’ll need to replace your front crankshaft seal.
This is not a replacement service you want to put off. Allowing your front crankshaft seal to continue to leak can cause detrimental damage to your vehicle. Not only will your engine suffer from running without oil, but the broken seal also will cause oil and other debris to spread through your engine bay and the undercarriage of your car. This is difficult to clean and can be a fire hazard.
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