Rear Diff Leak
#1
#2
Yeah, its pretty simple. It sounds like the gasket is leaking. Just take all the bolts off, starting with the bottom and working your way to the top. Leave a couple on the top a little loose, then use a screw driver and pop off the bottom of the cover. Be careful, it has lots of fluid in there. Once it all drains then take out the bolts in the top. As far as putting it back together, just make sure that you clean all the old gasket off. I'm not sure about how much fluid to use, or the torque specs for the bolts. Maybe someone on here can tell you more about that. God Bless!
#3
VERY COMMON, on every ford truck. Make sure your axle seals are not leaking as well. The fluid you will use s 75W140. From Ford it will cost approx $17 a qaurt, you will also need to add a Friction Modifier to the fluid.
you will need roughly 2.9 - 3.1 L.
you will need roughly 2.9 - 3.1 L.
Last edited by Camarothatcould; 02-08-2007 at 10:07 PM.
#5
If its the axle seals, you wll see a gunk build up on your debris shield(behind the rotor). If its the pumpkin, it should have a gunky building up on the bottom of the cover. Still, take a look on the underside of the axle tubes to make sure it has not seeped from the axle ends to the Diff to make it look like its the diff cover.
#6
#7
It is not hard. When I first started working at Ford, a tech helped me pin point problems on my truck. The leaky axle seal was the first thing I HAD to do. To fix your axle seal...
1. Remove Diff cover
2. Remove tire
3. Remove brake assembly
4. spin the wheel til you see a pin that is held in by a tiny bolt
5. Unbolt that pin, it should lside out
6. Push axle into the diff assembly. you should then see a "C" clip that you have to pull out, most likely with needle nose.
7. Pull axle out
8. Remove old seal
9. Install new seal
The seal is about $4. It is very important that after you remove the axle, DO NOT spin the wheels, the spider gearing is possible to fall out.
Pop the new seal in, slide the axle back in, place "C" clip bakc in place, pull axle out, install pin, then bolt it back in. Make sure you are wearing some latex gloves to avoid the diff fluid from soaking into your skin, you will stink for days. If you have never smelled diff fluid before, well it is just horrible, so protect your skin and if you spill any, clean it up quick.
1. Remove Diff cover
2. Remove tire
3. Remove brake assembly
4. spin the wheel til you see a pin that is held in by a tiny bolt
5. Unbolt that pin, it should lside out
6. Push axle into the diff assembly. you should then see a "C" clip that you have to pull out, most likely with needle nose.
7. Pull axle out
8. Remove old seal
9. Install new seal
The seal is about $4. It is very important that after you remove the axle, DO NOT spin the wheels, the spider gearing is possible to fall out.
Pop the new seal in, slide the axle back in, place "C" clip bakc in place, pull axle out, install pin, then bolt it back in. Make sure you are wearing some latex gloves to avoid the diff fluid from soaking into your skin, you will stink for days. If you have never smelled diff fluid before, well it is just horrible, so protect your skin and if you spill any, clean it up quick.
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#8