Hannigan Rear End Diff. - GL1800Riders
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post #1 of 18 (permalink) Old 07-24-2009, 04:22 PM Thread Starter
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Hannigan Rear End Diff.

I looked through out the posts and didn't find what I was looking for so I'll ask it now:

2009 GL1800 w/Hannigan trike kit; I was told to use 80/90 gear oil as directed by Ford/Mercury for a Motorcraft 7.5" differential. I used to use ProHonda Shaft Drive Oil Hypoid Gear Oil SAE 80W90 in the stock rear end, then switched to Spectro SAE 80W90 Hypoid Gear Lubricant. I still have a couple of bottles of the ProHonda and a case of the Spectro. Would I still be able to use these oils instead of going out and hunting up another type because it was recommended by Ford/Mercury? Please let me know, in the meantime Iam going riding and enjoy my new toy.

[SIGPIC][/SIGPIC]
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post #2 of 18 (permalink) Old 07-24-2009, 04:36 PM
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Originally Posted by Maverick View Post
I looked through out the posts and didn't find what I was looking for so I'll ask it now:

2009 GL1800 w/Hannigan trike kit; I was told to use 80/90 gear oil as directed by Ford/Mercury for a Motorcraft 7.5" differential. I used to use ProHonda Shaft Drive Oil Hypoid Gear Oil SAE 80W90 in the stock rear end, then switched to Spectro SAE 80W90 Hypoid Gear Lubricant. I still have a couple of bottles of the ProHonda and a case of the Spectro. Would I still be able to use these oils instead of going out and hunting up another type because it was recommended by Ford/Mercury? Please let me know, in the meantime Iam going riding and enjoy my new toy.
I would ask this of Hannigan since any warranty issue would be theirs.
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post #3 of 18 (permalink) Old 07-24-2009, 05:00 PM
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As of right now you shouldn't even be thinking of this!!! When was the last time you changed the rear end lube in your car??? Remember though that when it needs to be done; That the rear end is mounted Upside Down, and if you fill it to where you would normally, you will have a horrible mess under the Trike in the first 5 miles. Oil will be dripping from every where, and you will think it has Blown Up

Ford calls for 80/90. So if what you have is 80/90 then you should be set. So in 85,000 to 90,000 more miles you goo to go.

George Patrick Th.D.
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post #4 of 18 (permalink) Old 07-24-2009, 05:37 PM
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Or you could ask George 'cause ma' man knows what he's talkin' about
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post #5 of 18 (permalink) Old 07-24-2009, 06:59 PM
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Originally Posted by KJ5IX View Post
That the rear end is mounted Upside Down, and if you fill it to where you would normally, you will have a horrible mess under the Trike in the first 5 miles. Oil will be dripping from every where, and you will think it has Blown Up
George, pictures please. I want to see this upside down mess.

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post #6 of 18 (permalink) Old 07-24-2009, 08:30 PM
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Why is the rear end upside down?
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post #7 of 18 (permalink) Old 07-24-2009, 10:32 PM
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Originally Posted by Ken L. View Post
George, pictures please. I want to see this upside down mess.

Ken L.
Ken I looked... I didn't take any of the oil all over every thing, but it takes a while to clean it up, and then suck the rest out. That I do remember well..

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post #8 of 18 (permalink) Old 07-24-2009, 10:38 PM
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Why is the rear end upside down?
Something to do with the driveshaft alignment I think,.



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post #9 of 18 (permalink) Old 07-26-2009, 10:50 PM
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Quote:
Originally Posted by Maverick View Post
I looked through out the posts and didn't find what I was looking for so I'll ask it now:

2009 GL1800 w/Hannigan trike kit; I was told to use 80/90 gear oil as directed by Ford/Mercury for a Motorcraft 7.5" differential. I used to use ProHonda Shaft Drive Oil Hypoid Gear Oil SAE 80W90 in the stock rear end, then switched to Spectro SAE 80W90 Hypoid Gear Lubricant. I still have a couple of bottles of the ProHonda and a case of the Spectro. Would I still be able to use these oils instead of going out and hunting up another type because it was recommended by Ford/Mercury? Please let me know, in the meantime Iam going riding and enjoy my new toy.
I changed the diff and gear case oil after 500 miles, just to clean out any residue left over from the manufacturing process. I also change it every 20,000 miles.

I use Amsoil synthetic.

Wayne

Wayne Thais
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post #10 of 18 (permalink) Old 07-26-2009, 11:29 PM
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So why not cut the plug out and remount it at the appropriate level?
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