Search results
If you’re experiencing a rear pinion seal leak, you’ve come to the right place. This article will discuss what a pinion seal is, where it is located, and how to fix a leaking one. We’ll also cover some of the symptoms and causes of this problem and replacement costs.
- Leaking Pinion Seal
- Differential Has Low Fluid
- Whining Noise
One of the biggest signs your pinion seal is failing is it is leaking. To check for a leak, follow the drive shaft to the rear axle, then look around the yoke for fresh oil. If you notice fresh oil, you have a pinion seal leak. As soon as you notice this, contact the professionals at YourMechanic to have the pinion seal replaced.
If you notice your differential has low fluid, chances are it is leaking from the pinion seal. This needs to be fixed in a timely manner because as the fluid levels drop, the gears will wear down as the friction increases. Without a proper working differential, your vehicle will not be able to be driven. Furthermore, a pinion seal is a relatively s...
Low fluid in the differential is normally shown by a whining noisewhile the vehicle is in motion. This noise could mean a pinion seal leak, or it could be another problem with your vehicle’s differential. A professional from YourMechanic will be able to diagnose the problem and have your vehicle repaired in a short amount of time. As soon as you no...
- (11)
- Spencer Clayton
Mar 12, 2018 · Fortunately, replacing a pinion seal isn't a difficult task and there are a variety of methods to successfully accomplish that. Our preferred method happens to be the same procedure that...
- Pontiac
- 4 min
- 1999
Remove the rear wheels and brake drums to expose the differential and its pinion seal. Remove the drive pinion nut and pinion flange to access the seal. Never use an air impact wrench on the drive pinion nut because this can damage the nut.
- Secure Your Car. Park your car on flat ground. Secure the front and rear of your front wheels so your vehicle will not move forwards or backward during the process.
- Take Out The Driveline. Use the parking brake to ensure your vehicle is stable on all axles. It will help the process go smoothly. Next, before separating the driveline from the yoke/flange, you should secure it with a strap or bungee, so it will not fall on you.
- Remove The Axle Flange. Make reference marks of the seal and flange’s position with a paint pen. Count the number of exposed threads and write it down.
- Remove The Seal. Before removing the component, remember to put a drain pan under the area. Start the process by using a puller to hook and pry the seal from the inside to remove it.
Apr 19, 2024 · If you spot fluid leaks near the rear driveshaft, it’s likely a bad pinion seal, critical for your vehicle’s differential. This signals immediate attention to prevent further damage and maintain peak drivetrain performance.
People also ask
Does my car have a rear pinion seal?
Where is the pinion seal located?
Can a pinion seal leak damage a car?
How do I know if my pinion seal is failing?
Sep 23, 2016 · How to Replace a Pinion Seal. A pinion seal keeps oil in the differential and keeps water, dirt, and debris out. A failing pinion seal will leak which can ruin the differential. by Michael Gonzales on September 23, 2016. Pinion Seal Replacement Cost.
