What do you need to replace a pinion seal?
What do you need to replace a pinion seal?
To replace the pinion seal, you need to remove and install the pinion shaft nut and flange. You’ll need the following: new pinion seal, repair manual, seal puller, wrench set, ratchet, socket set, wheel chocks, breaker bar, drain pan, jack, and hammer.
How do you remove a flange from a pinion?
To remove the flange/yoke, you will need to use a puller. Install the puller so that it is secure and will pull the flange/yoke off evenly from the pinion. The driving shaft of the puller needs to be centered as in the image above. The arms of the puller will need a solid square edge to pull on.
What kind of pipe wrench do I need to tighten pinion seal?
Which tends it to not moving while getting things tight. If you have a good impact, you can usually buzz the nut off but bumping it repeatedly. As far tightening the nut, will need a 24 inch pipe wrench, and let it rest against the control arm and tighten until proper rolling resistance torque is achieved.
What happens if a pinion seal fails on a differential?
As long as the pinion seal is in place and performing well, the differential will stay in good shape and operate as it is supposed to. A failed pinion seal can result in a minor leak where fluid seeps out, or a major leak that can ruin the differential bearings and gears.
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.
Replacement of the pinion seal usually requires removal and installation of only the pinion shaft nut and flange. Remember, a circular mounting flange, U-bolts or straps are used to hold the driveshaft in position on the differential pinion.
How do you remove a seal from a transmission?
Using a mallet or plastic hammer, strike the end of the driveline away from the flange. Once the driveline is separated from the flange, you can either tie it up and out of the way or remove it completely from the transmission. Note: If you decide to remove the driveline, place a drain pan underneath the end of the transmission.
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.
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.
To remove the flange/yoke, you will need to use a puller. Install the puller so that it is secure and will pull the flange/yoke off evenly from the pinion. The driving shaft of the puller needs to be centered as in the image above. The arms of the puller will need a solid square edge to pull on.
What is the purpose of a pinion seal?
The pinion seal, also called a pinion shaft, is designed to keep oil in and any water, dirt or debris out. As long as the pinion seal is in place and performing well, the differential will stay in good shape and operate as it is supposed to.
