How much does it cost to replace a rear main seal on a Jeep Cherokee?
Amade of either rubber of silicone, this main seal is crucial in keeping the liquid where it should be, and typically requires a replacement to be fixed when getting damaged The rear main seal replacement cost is usually between $410 and $517, with labor costs estimating between $388-$491 of the total.
Can you drive with a leaking differential?
Depending on the amount of oil seeping through the gasket, this may leave noticeable traces of oil on the undersides of the differential housing. A seeping differential will usually be okay to drive for a while, however, it will eventually progress into a full on leak as time goes on.
How long does it take to fix a differential leak?
These bearings are part of a rear differential overhaul, taking three to five hours to complete. Replacing the rear differential gears. When teeth on the gears have chipped or worn badly, they must be replaced to eliminate the noise and potential for failure.
What happens if your differential is leaking?
If the output seals leak to the point of running the differential low on fluid it may cause the differential to produce a howling, grinding or whining sound from the rear end of the vehicle. They will be able to determine if your car needs a differential output seal replacement.
What does a bad differential sound like?
A failing differential will often produce loud whirring noises or sometimes rattling. Any time you hear a strange noise coming from your vehicle, you should get it checked out by an auto repair expert. It can be any number of problems, including the differential.
How long can I drive with a leaking pinion seal?
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. All seals will degrade with time and exposure to differential fluid, but your driving habits will have a significant impact on lifespan.
Why does my pinion seal keep leaking?
There are two problems to consider with a pinion seal leak. However, it is fairly common as well for the failure to be caused by too much runout of the pinion, caused by either incorrect preload on the pinion, or failure of the pinion bearing, the former often being caused by the latter.
What happens if you dont change differential oil?
If the gear oil runs low, or becomes excessively dirty, it can cause the gears to whine or howl as they turn. The whining or howling is caused by lack of lubrication and may increase in volume as vehicle speed increases.
Should I use 75W90 or 75W140?
I think you’ve got your numbers backwards the 75W140 is the heavier (140 vs 90) and for more severe service. It is recommended only for the rear diff and only for heavy towing and continuous use. You shouldn’t go heavier than 75W90 in the front and for normal duty and occasional towing 75W90 is fine for the rear.