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Old 06-29-2009, 11:50 AM   #11 (permalink)
Learjet
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Re: Do I have Big tow or not?

Quote:
Originally Posted by govandals View Post
Sorry I'm a noob, I am thinking I already have the finned diff cover - is this it?

And is there a way to check on the diff fluid without just replacing it?
yes that is the cover you want.

If you want to check the fluid level the plug on the finned part is where you check it from. The level should be close to that plug level.

I would change the fluid and start fresh...

Just pull the bottom plug, which has the magnet on it. You will see sludge on the plug, but hopefully no chunks of gears. Clean and Replace the plug and fill thru the top fill plug with @ 2.2 qt's of your favorite Synthetic 75w-140. It is that easy, and should be done every 30,000 miles if you tow per the manual. RTV on the threads of the plugs is recommended.

I do mine every year because it is so easy to change.
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Last edited by Learjet; 06-29-2009 at 11:54 AM.
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