How do you clean a front axle pinion seal?
Clean the pinion flange after the old pinion sleeve has been removed and put a light coat of grease on it. Put a light coat of grease around the inside of the new pinion sleeve and tap it into place on the pinion flange (Figure 12.)
How do you replace a differential pinion seal?
This video will show you how to replace the differential pinion seal. The main thing to do is to count the number of turns it takes to remove the nut that fastens the yoke on the pinion bearing. So when you put the nut back on, you will be able to get in the exact position when you removed it. This keeps all the setting the same.
Where is the pinion sleeve on a front axle?
The pinion seal will be in the housing, the pinion sleeve will be on the pinion flange. Both of these need to be replaced to properly fix this leak. Before you start changing the seals, be sure to clean any grease and dirt off the area around the seals. You do not want any debris getting into the new seal and damaging it.
Is it necessary to replace a leaking pinion seal?
Replacing a leaking pinion is very important in preventing any major repairs. The pinion seal leaking is a good indicator that something needs attention. If replacing your pinion seal is something you would rather leave to a professional, have one of YourMechanic’s certified technicians perform the replacement.
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.
Why is my rear pinion seal leaking?
Rear main seal leak causes Worn main bearings. If your vehicle has worn main bearings, the crankshaft is able to move excessively inside the bearings which will stretch and move the rear main seal while Clogged or blocked PCV system. Most rear main seals have a lip that rides on the shaft. Engine oil condition. Crankshaft condition. Misalignment issues. Seal coating.
How do you replace a rear main seal?
To replace the rear main seal (this also applies to big blocks), remove the oil pump with pickup and crankshaft rear main bearing cap. Remove the lower half of the seal from the bearing cap. Use a small piece of rigid plastic or wood to push on one end of the upper seal half to get it started around and out.
How serious is a pinion seal leak?
There are two problems to consider with a pinion seal leak. First, obviously you are losing fluid from the diffential. With reduced capacity of differential fluid, your ring and pinion gears lose cooling and lubrication, which will cause the gears and bearings to overheat and can catastrophicly fail.