And be sure to check that the differential breather is open and clear, if is clogged that will cause the leak. There are several things that can cause a pinion leak in addition to just a worn seal, bad rear u-joint or pinion bearings are to things to check.
Keep in mind that the rear gear oil also lubes the axle bearings so those seals are going to get destroyed by the brake fluid. That trick works for a quick sale but the seals actually turn mushy so they do not seal for long after that treatment.
Pete, try a trick that I learned many years ago. Changer your rear end oil and add 1/2 cup of DOT 3 or 4 brake fluid. The brake fluid will swell the seal and not hurt anything. It the seal is cracked or broken it will not help. But most likely it is just hard and has shrunk.
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By using or viewing this site YOU agree to Hold Harmless anyone associated with it including other members. Also, YOU agree that YOU are solely responsible for ANY and ALL actions, results or damages. Members "opinions" are just that and any repair or alteration comments or recommendations are by folks who are not licensed repair or mechanical professionals. Any repairs or modifications you do totally at YOUR OWN RISK. Use licensed professionals for all work to avoid possible serious injury or damage. Use banks for purchases.Have fun!
Pete Black's Comments
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Thanks for the flowers Pete, i'll get more pictures up soon
I'll have another look at the breather as well.
Bit hard to navigate this site.....just replied and it's gone Mmmmm
So, Cheers Rick.
I had a heave on the UJ and pinion yesterday and all felt solid but just realised now that the park brake is on. I'll have another try tomorrow.
I think the axle is a Dana 80, not managed to get any more info of it as yet but seals aren't available from stock in the UK.
Hi Rick, transmission case breathers can be affected too. Mud. Bugs. Or who knows what happened. Thanks for the good advice.
And be sure to check that the differential breather is open and clear, if is clogged that will cause the leak. There are several things that can cause a pinion leak in addition to just a worn seal, bad rear u-joint or pinion bearings are to things to check.
Keep in mind that the rear gear oil also lubes the axle bearings so those seals are going to get destroyed by the brake fluid. That trick works for a quick sale but the seals actually turn mushy so they do not seal for long after that treatment.
Pete, try a trick that I learned many years ago. Changer your rear end oil and add 1/2 cup of DOT 3 or 4 brake fluid. The brake fluid will swell the seal and not hurt anything. It the seal is cracked or broken it will not help. But most likely it is just hard and has shrunk.
I see you took my advice and came over. Welcome.
welcome Pete, it is nice to see another member joining the group.
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Disclaimer - Please Read it
Enjoy this site and use it totally at your own risk.
By using or viewing this site YOU agree to Hold Harmless anyone associated with it including other members. Also, YOU agree that YOU are solely responsible for ANY and ALL actions, results or damages. Members "opinions" are just that and any repair or alteration comments or recommendations are by folks who are not licensed repair or mechanical professionals. Any repairs or modifications you do totally at YOUR OWN RISK. Use licensed professionals for all work to avoid possible serious injury or damage. Use banks for purchases. Have fun!
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