Where is the rear pinion seal located?
The pinion seal is located near the pinion shaft and is designed so that fluid does not leak out of the differential. Some vehicles have a rear pinion seal, where others have both a front and rear pinion seal, it just depends on the make and model of your vehicle and if the vehicle has rear or four wheel drive.
How does a pinion seal on a differential work?
The pinion seal presses into the differential housing, and the lip of the seal bears against a machined surface of the pinion flange. This seals the oil into the rear of the differential. Most of the time, a pinion seal will be replaced when it leaks. As to how much it will cost, let’s find out below.
How to remove a seal from a pinion mount?
Part 4 of 8: Removing the pinion seal 1 Set up a drain pan. Place a drain pan underneath the pinion seal area. 2 Remove the seal. Take a seal puller, hook the inside of the seal and pry to remove the seal. 3 Prep the area. After the pinion seal is removed, clean the inside surface of the pinion seal mounts.
How much does a front pinion seal cost?
I would recommend keeping an eye on the fluid level in the meantime to make sure it doesn’t go low. The price of the seal looks to be about $15 and it would be about 1 hour of labor to replace it. You may also have to pay for a quart of fluid to top it back off after the seal is replaced, which wouldn’t be much.
How do you replace front pinion seal?
Slide the pinion yoke off the pinion shaft and set it aside. Using a small flat screwdriver, bend the outer metal ring of the seal to help loosen it then pry it out of the bore. Pack the cavity behind the seal with lithium grease then install the new seal into the bore.
Where is the rear differential pinion seal?
The pinion seal is located inside differentials of vehicles. The pinion seal is located near the pinion shaft and is designed so that fluid does not leak out of the differential.
How long does a pinion seal last?
In terms of lifespan, there’s no set duration for a pinion seal. Really, they last as long as they last. There are many different factors that come into play here.
What causes a pinion seal to leak?
The pinion seal leak probably came from dirt or crud getting in there which puts gouges in the collar of the yoke. Those gouges allow oil to leak around the pinion seal. You can put a sleeve on the collar.