Go Back   iRV2 Forums > MOTORHOME FORUMS > Class A Motorhome Discussions
Click Here to Login
Join iRV2 Today

Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts.
Reply
  This discussion is proudly sponsored by:
Please support our sponsors and let them know you heard about their products on iRV2
 
Thread Tools Search this Thread Display Modes
 
Old 10-27-2015, 05:57 PM   #1
Senior Member
 
Join Date: Sep 2015
Location: Houston, TX
Posts: 103
Grease or gear oil in these hubs?

We recently purchased a 1994 Allegro Bus, diesel, on Oshkosh chassis. Front hubs had Stemco hubs with red rubber plug. I assumed the hubs were filled with gear oil. I then found blank plates in one of the compartments, now I believe the blank plates were the original and the Stemco were put on by the previous owner. Upon removing the Stemco caps, I found a sludgey, viscous goop. I don't know if it was filled with gear oil which congealed or if it was old wheel bearing grease. I've ordered new inner and outer seals. My question is should I pack the bearing (after a thorough cleaning) with grease or put them in clean and fill with gear oil? Thanks.
Attached Thumbnails
Click image for larger version

Name:	IMG_0687.jpg
Views:	120
Size:	351.1 KB
ID:	110510   Click image for larger version

Name:	IMG_0688.jpg
Views:	132
Size:	358.5 KB
ID:	110511  

Click image for larger version

Name:	IMG_0689.jpg
Views:	132
Size:	279.9 KB
ID:	110512  
__________________

__________________
Fugitive861 is offline   Reply With Quote
Join the #1 RV Forum Today - It's Totally Free!

iRV2.com RV Community - Are you about to start a new improvement on your RV or need some help with some maintenance? Do you need advice on what products to buy? Or maybe you can give others some advice? No matter where you fit in you'll find that iRV2 is a great community to join. Best of all it's totally FREE!

You are currently viewing our boards as a guest so you have limited access to our community. Please take the time to register and you will gain a lot of great new features including; the ability to participate in discussions, network with other RV owners, see fewer ads, upload photographs, create an RV blog, send private messages and so much, much more!

Old 10-27-2015, 06:53 PM   #2
Senior Member
 
jacwjames's Avatar
 
Monaco Owners Club
Join Date: Jun 2014
Posts: 4,598
My guess is the original configuration was grease packed but converted to oil bath but would question whether it was done right.

I have 2002 Monaco Windsor that came with grease hubs but in 2013 we had them converted to oil bath, my wife had the rig down in Florida and I had her take it to Josam's near Orlando. Cost ~$450 which included a complete lube and inspection. After ~2 years the oil still looks like new and I haven't had any leaks/seeps.

I believe the bearings are the same but the rear hub seal is different to accommodate oil vs grease. The out cap has a clear plastic portion so the oil level can be visually checked, a rubber plug on the end, and on the perimeter has a screw off cap to add oil. The oil level comes up into the plastic portion that has level lines for high/low.

If you are going to redo I would check for the correct seal, you could reuse the bearings if the are good but for the cost I'd probably change. There should be a tag riveted to the axle so you can tell manufacturer, model, SN, you should be able to source parts from there.
__________________

__________________
Jim J
2002 Monaco Windsor 38 PKD
2005 Jeep Grand Cherokee w/5.7 Hemi
jacwjames is online now   Reply With Quote
Old 10-27-2015, 07:11 PM   #3
Senior Member
 
Join Date: Feb 2013
Posts: 138
The front hub oil in our 1997 Allegro Bus always looks like OIL.
__________________
aboatguy is offline   Reply With Quote
Old 10-27-2015, 07:22 PM   #4
Senior Member
 
Mr_D's Avatar
 
Solo Rvers Club
iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 28,529
You can clearly see that the Stemco cap says "OIL LEVEL". So it should have a heavy oil in them.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft
Charter Good Sam Lifetime Member, FMCA, SKP
RV'ing since 1957, NRA Benefactor Life, towing '14 CR-V
Mr_D is online now   Reply With Quote
Old 10-27-2015, 08:14 PM   #5
Senior Member
 
Join Date: Sep 2015
Location: Houston, TX
Posts: 103
If what jacwjames stated is correct (that the inner seal is different if hub oil is used verses if grease is used) then I suppose I should go back with grease, because I purchased the OEM seal from Freightliner.
__________________
Fugitive861 is offline   Reply With Quote
Old 10-28-2015, 07:04 AM   #6
Senior Member
 
Join Date: Feb 2013
Posts: 138
I would stick with OIL, IMO its better than grease there's a reason why most HDT now have oil bath hubs.
Why not call freight liner and see if your seal is rated for oil?

My 1997 allegro bus has had oil filled hubs since new, so you may be good to go. (its on a 1996 Freightliner chassis) If I remember correctly sometime in the mid 1990s OSHKOSH RV chassis were absorbed by Freightliner.


Mike
__________________
aboatguy is offline   Reply With Quote
Old 10-28-2015, 07:17 AM   #7
Senior Member
 
Coma's Avatar
 
Monaco Owners Club
Join Date: Nov 2010
Location: The Emerald Coast
Posts: 1,757
If you want to fiddle with them then put in oil. If you want to do them once and forget for 120,000 miles put in grease. 120,000 being the Mileage interval recommended by the axle manufacturer. Yes, the grease will go bad in 10 years or so. Or you can change it yearly as the MH manufacturer likely recommends.

IMHO
__________________
Jim and Jennie, Cats=Bittles and Potter, 2000 Dynasty 350 ISC
2013 Silverado 4x4 Towed with R1200GS in bed.
PROV23:4 Do not wear yourself out to get rich; have the wisdom to show restraint.
Coma is offline   Reply With Quote
Old 10-29-2015, 07:44 AM   #8
Senior Member
 
Join Date: Feb 2013
Posts: 138
Quote:
Originally Posted by Coma View Post
If you want to fiddle with them then put in oil. If you want to do them once and forget for 120,000 miles put in grease. 120,000 being the Mileage interval recommended by the axle manufacturer. Yes, the grease will go bad in 10 years or so. Or you can change it yearly as the MH manufacturer likely recommends.

IMHO
What fiddling? Oil filled hubs never need to be repacked, unlike grease filled hubs. If the OP changes to clear covers he won't even need to pull the plugs to check the oil levels.
__________________
aboatguy is offline   Reply With Quote
Old 10-29-2015, 11:47 AM   #9
Member
 
Hurricane1's Avatar
 
Thor Owners Club
Ford Super Duty Owner
Join Date: Jan 2009
Location: Sault Ste. Marie, ON Canada
Posts: 41
Send a message via AIM to Hurricane1 Send a message via MSN to Hurricane1 Send a message via Yahoo to Hurricane1
I agree with the oil filled hubs. Just make sure you install the correct inner seals. Your dealer can cross the numbers from the grease seals to the oil seals.
__________________
Jim & Mara Gray
Bandit our cat
2004 34' Hurricane, 2010 GMC SLE
Hurricane1 is offline   Reply With Quote
Old 10-29-2015, 12:26 PM   #10
Senior Member
 
Tiffin Owners Club
Freightliner Owners Club
Join Date: Aug 2014
Posts: 1,845
Agree with Mr. D....

FYI...this is from their product description:

Lower Maintenance Cost and Improve Performance

Sentinel® hub caps provide a tamper-proof system for maximum protection and maintenance-free performance, improving performance and lowering overall maintenance costs. Sentinel® oil hub caps are series 348 and grease hub caps are 349 series.

Check around their site for more details.

Dan
__________________
2014 40QBH Phaeton DP Cummins 380HP ISL, Freightliner XC, 2014 Jeep Trailhawk TOAD
Blue Ox Aventa tow bar, SMI Air Force One -South Orange County Ca.
dpinvidic is offline   Reply With Quote
Old 10-29-2015, 12:35 PM   #11
Senior Member
 
DMTTRANSPORT's Avatar
 
Join Date: May 2014
Location: Henderson, Nevada
Posts: 1,225
70-140wt fish oil
__________________
2005 Newmar DS 4023, Spartan Chassis, ISL 370 Cumapart, 2008 Jeep Rubicon 4dr, 2015 Kia Soul, 1969 Italian & 2004 Akita
DMTTRANSPORT is offline   Reply With Quote
Old 10-29-2015, 02:24 PM   #12
CVO
Member
 
CVO's Avatar
 
Join Date: Oct 2015
Location: up north, Wisconsin
Posts: 84
If your going to service the bearings change over to oil. Grease is for a squeaky wagon wheel. If you are doing it yourself, be careful putting the hub back on. Seal integrity is always critical, even more so with oil.
__________________
CVO is offline   Reply With Quote
Old 10-30-2015, 08:59 AM   #13
Senior Member
 
wa8yxm's Avatar
 
Damon Owners Club
Workhorse Chassis Owner
Join Date: Mar 2009
Posts: 22,829
Ok I think there is some confusion in this thread.

The O/P says he believes the prior owner converted from hand packed greased to oil filled (And as someone pointed out did a poor job of cleaning out the old grease)

The O/P wishes to knwo which is better, Greast packed or oil bath.

I'd stay with the oil bath. I believe that is the better lubrication, also I note that in days of old I never saw an oil bath.. Today I see them all the time,, Thus the manufacturers seem to feel this is an improvement as well.. Else they would have stuck with Grease pack.

DO check the level from time to time though.
__________________
Home is where I park it!
wa8yxm is offline   Reply With Quote
Old 10-30-2015, 09:25 AM   #14
Senior Member
 
Coma's Avatar
 
Monaco Owners Club
Join Date: Nov 2010
Location: The Emerald Coast
Posts: 1,757
Quote:
Originally Posted by aboatguy View Post
What fiddling? Oil filled hubs never need to be repacked, unlike grease filled hubs. If the OP changes to clear covers he won't even need to pull the plugs to check the oil levels.
I wondered in after thought if someone might take offense to the term "fiddle", another persons choice is their own business.

That said, there is no interval advantage to oiled hubs that I am aware of. Neither miles or time. With greased hubs most will never accumulate enough miles to have them packed. The chassis recommendation for Roadmaster is yearly, I know of no one who does that. The Axle manufacturers recommendation is yearly or 120,000 miles whichever comes first. With oiled hubs you do have to check them, with greased hubs you don't even do that. I had mine repacked at ~70k miles and 13 years just to satisfy my OCD. They were reported to be like new, so in 13 more years or 70k miles I'll have them repacked again. If your MH came with greased hubs I wouldn't change them as that's the same cost as a repack. If you don't know the maintenance history then a repack should be done to establish a base line. If not then why change? I do occasionally check the hub temperatures with a non contact temperature gauge.

I see it as pure personal preference with no cost or maintenance advantage, like one who prefers potatoes vs potătoes.

IMHO
__________________

__________________
Jim and Jennie, Cats=Bittles and Potter, 2000 Dynasty 350 ISC
2013 Silverado 4x4 Towed with R1200GS in bed.
PROV23:4 Do not wear yourself out to get rich; have the wisdom to show restraint.
Coma is offline   Reply With Quote
Reply



Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
American Coach: Projects on my 1997 American Dream GlennLever Fleetwood Products Owner's Forum 1604 Yesterday 12:48 PM
Hubs-Grease packed vs. oil bath S-n-L Class A Motorhome Discussions 27 12-19-2016 11:05 AM
Help- where is the oil fill for a Generac NP66g generator? Inthe70s RV Systems & Appliances 3 01-26-2015 02:10 PM
Low oil pressure | erratic oil pressure | inconsistant oil pressure GlennLever Cummins Engines 45 08-28-2014 09:24 AM
Mixing weights of gear oil ok? 89fltioga Ford Motorhome Chassis Forum 18 03-13-2014 06:17 PM

» Virginia Campgrounds

Reviews provided by


Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -6. The time now is 09:31 PM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.