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Front axle hitting radiator

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Robert

05-05-2003 12:22:55




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On my '42 9n, the left front axle is rubbing on the radiator lower hose outlet. As I look at it, I think there is some sort of spacer that is missing therefore leaving a lot of slop in the front end. Shouldn't the axle be closer to the engine? Here is a picture that was taken from the right side. Can anyone spot a problem?

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Mountainman

05-06-2003 01:10:30




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 Re: Front axle hitting radiator in reply to Robert, 05-05-2003 12:22:55  
I agree with duey - your bushing and pin are WORN out. Replacing them should solve your problem.

hth

Mountainman...CA



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Paul

05-05-2003 15:33:32




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 Re: Front axle hitting radiator in reply to Robert, 05-05-2003 12:22:55  
I had the problem about a year after I put a new radiator on, but it wasn't the radiator's fault. The king pin was worn so much that the axle assembly was moving forward and rubbing against the bottom of the radiator outlet. Until I could get the king pin parts I needed, I simply set the front wheels wide enough so that the axles were beyond the radiator outlet. But if the king pin and bushing are that worn, you really need to do the repair.

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David - OR

05-05-2003 13:14:29




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 Re: Front axle hitting radiator in reply to Robert, 05-05-2003 12:22:55  
The Turkish radiator (RASA) sold by several popular vendors has the lower outlet tube positioned incorretly. It is too close to the center of the radiator, and in a different spot than where Henry put it.

If your front axle pivot pin and bushing are in good condition, the fit can be made to work. In my case, I used a die grinder to grind away a region about 1/8 inch wide and 1 inch long out of the top forward area of the front axle flange. This is in an area of the axle that is not used when the front wheels are set up for the typical narrow spacing.

The Turkish radiator outlet also fouls against a portion of the Chinese fan shroud, requiring the fan shroud to be ground back for clearance.

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Rob

05-05-2003 12:43:40




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 Re: Front axle hitting radiator in reply to Robert, 05-05-2003 12:22:55  
If the axel is free-floating (slamming) around up there and it has spread where it supports the king pin then the brackets the radiator sits on are no longer in the proper place. They are now too far too the rear. I had to remove the axel support assembly and true up the radiator support which put the radiator farther forward and up some.
That led to other stuff. (I'd forgotten about the radiator problem, that's what started me looking at the problem!) Anyway my 2N steers much better now and everything, including the aftermarket radiator, fits and the tractor just handles soooo much better. Check this out:

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duey

05-05-2003 12:32:51




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 Re: Front axle hitting radiator in reply to Robert, 05-05-2003 12:22:55  
Robert, from here, it looks like the pivot bushing is way worn out in the axle, and probably the pin is well worn, too. It looks like parts time. And if that's not enough, you may wish to add a spacer where the axle contacts the stop on the right side to limit the up travel on the left side.

Get a jack under the front end and see how much slop there really is. But don't shim out the fore and aft motion... that is required if you set wheel track spacing.

You can fix it up. duey

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Evil Steve

05-05-2003 12:28:36




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 Re: Front axle hitting radiator in reply to Robert, 05-05-2003 12:22:55  
Had this problem with a replacement radiator. The outlet tube is too close to the middle of the radiator so it rubs. Is yours an aftermarket radiator?

I put in a good old radiator and it fit perfectly.

There are thin rubber bushings hat go between radiator and mounting bracket, but won't make much difference.



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Robert

05-05-2003 12:33:58




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 Re: Re: Front axle hitting radiator in reply to Evil Steve, 05-05-2003 12:28:36  
Yep it is aftermarket. I did the rubber bushings too. I don't have an old one so am interested in whether anyone has solved this problem and still used the newer aftermarket radiator.



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Evil Steve

05-05-2003 12:41:33




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 Re: Re: Re: Front axle hitting radiator in reply to Robert, 05-05-2003 12:33:58  
Do NOT attempt to redrill new mounting holes in the mounting bracket further away from the axle. This will cause your front grill not to go back on because the radiator will be too far out.

If you try jacking the radiator up in order to clear the axle, your hood won't fit. I've seen some grind down a lot of their axle to make an aftermarket radiator fit, but it weakens the axle too much in my opinion.

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Rob

05-05-2003 12:58:23




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 Re: Re: Re: Re: Front axle hitting radiator in reply to Evil Steve, 05-05-2003 12:41:33  
Truing up the axel support assembly also moves the hood attachment points forward along with the radiator brackets. You get to looking and I bet you see the bracket the radiator sits on and the hood attaches to is not flat and straight across the front of the axel support assembly. It might well be bowed out in the middle under the king pin and that pushes the attachment points out on the end back enough to move the radiator and make everything out of kilter.
Robert, fix the axel support assembly and king pin and then add machinery bushings for spacers. They can be placed some in front of the axel and some in back depending on the wheel spacing. My wheels are wide and all the spacers are in front of the axel.

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