300/440/550 89 js550 Driveshaft seal repair

[Js550FTW]

Should I just buy a whole new setup like so?

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[The440Dude]

Well that not really new..the seals are probably no better. Its not hard to rebuild a bearing housing, hell you dont even need to take off the bearings (if they are in good shape). All you have to do is take off the coupling and three bolts later the housing comes off to replace the seals.

 

[Js550FTW]

So is it basically cracking open the case in the back of the engine bay that holds the Driveshaft and replacing a couple of rubber seals?

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[The440Dude]

Some photos to help you get an idea.

 

[Js550FTW]

Some photos to help you get an idea.

Are those the only seals?

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[The440Dude]

two on the holder and two on the cap

 

[Js550FTW]

Sweet thanks Will this be all I need to replace the seals

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[The440Dude]

Seals yes, you can get a kit with the bearings for $40. That's up to your discretion though. I know you are trying to be on a budget, if you don't just make sure you inspect the bearings.

 

[Js550FTW]

Which way do all of the seals go

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[Js550FTW]

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This is what I found in the Driveshaft today

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[The440Dude]

Try again

 

[Js550FTW]

This is what I saw when I pulled the Driveshaft. Damn phone.

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[The440Dude]

Good, just take off the coupling now. You might have to get creative to do it, don't try to impact it loose with a hammer or such. Clean out the grease and inspect the bearings.

 

[Js550FTW]

The bearings are fine. But why do I need the coupler off?

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[The440Dude]

If you want to replace the front cap seals

 

[Js550FTW]

Oh I got it. Do you know which way the seals go ont

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[Bob Simpson]

Hi, so did this fix the taking water prob? I own a 88 550 as well.

 

[Tjklein550]

Seals yes, you can get a kit with the bearings for $40. That's up to your discretion though. I know you are trying to be on a budget, if you don't just make sure you inspect the bearings.

Where can you find this kit? I have a 85 js550 and it’s having the same problem as him. Seems like an easy fix just want to get the right parts.

 

[Tjklein550]

Hi, so did this fix the taking water prob? I own a 88 550 as well.

Were you able to get this fixed?

 

[WFO Speedracer]

Were you able to get this fixed?

I doubt he has time yet , this thread was only started in 2016