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The Nose Know’s
Got about 50 miles from the barn today and made a stop as usual just to check things out, you know, walk around, open the engine compartment, check the toad and then I got the smell! Yep, gear oil… My nose is tuned to that distinct odor from my trucking day’s and has served me well. Got the flashlight and sure enough, tag wheel seal, AGAIN! Prevost in Crashville just did it in August. So head for Music City for a re-do.
It just never ends boys and girls….
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9 Replies
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Tom, If Prevost is still selling the SKF Scotseal ask for the Scotseal Plus instead of the Scotseal Classic…..failure rate on the Plus is near zero.
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Put nationals in Tom , that’s bad luck all around hope u get it fixed soon
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I have no clue what seals work best but over the years I have replaced around six on my coaches plus a couple on other coaches. None has ever leaked and I do not know why replacements would leak if they are installed properly.
The key is to press or tap the seal into the hub and then verify the inner seal is rotating freely within the outer portion.
I watched a “mechanic” once try to hammer one in cockeyed and asked him to remove it and carefully insert it in the hub evenly all around. That got his nose all bent out of shape. He posts on another site.
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Prevost Houston said looked like I had 2 leaking a couple weeks ago when in for fluid changes. Didn’t have seals in stock or would have done um then. What do you think about doing um all while there?
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Turns out the seal itself didn’t fail. The previous seal job wasn’t done properly and to make a long story short, the hub was loose. No damage to the bearings, race, hub or spindle and all done. This time it was done correctly, no doubt. Why it just started to leak after about 3,000 miles I haven’t a clue.
I was very fortunate to be a few hundred miles from Nashville and not really all that far out of my way.
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Wow loose hub. Did you have the previous work done at Prevost?
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Glens,
I don’t believe you need to disturb seals that are still doing a fine job. The ones that need attention are those leaking. Put this way, the leak will only get worse.
As for getting seals most are available in any large city. Most seals are number stamped and this is the start point to cross reference the number. Heavy duty seals come from NAPA and other heavy duty truck parts suppliers.
I just left Prevost Nashville and remember walking past a rack about 5 feet tall which held the installing tools for replacement of seals. They showed lots of use setting new seals properly in place.
I think Truk4u makes a pretty good point , that the new seal was fine ….. the installer made a mistake.
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Thanks Al for the info.
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Orren: To the best of my knowledge, Scotseal does not make an upgraded seal for my drive axle application. The standard POS seal is #48690. Am I incorrect?
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