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11-13-2017, 04:42 PM
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#1
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Senior Member
Join Date: Jun 2016
Posts: 611
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Wheel bearing oil
Are there any recomenditions on wheel bearing oil for my frieightliner steer bearings ? I would like to use a synthetic oil if posssible .
I am thinking of using Lucas Oil 10047 SAE 75W90 Synthetic Racing Gear Oil
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11-13-2017, 08:26 PM
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#2
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Member
Newmar Owners Club
Join Date: May 2017
Posts: 34
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I have wondered the same thing. Let's see if anyone has switched....
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Eric Merrell, Whittier, CA
2017 Newmar, Mountain Aire
2016 Jeep wrangler unlimited, hard Rock.
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11-13-2017, 08:43 PM
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#3
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Senior Member
Join Date: Nov 2005
Posts: 7,383
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Don't have a recommendation on hub oil--most RV owners don't travel enough miles for the type of oil to make a big difference--IMHO. Was curious what technique you plan to use to remove the old oil. From my experience, there is a lot of oil in the hollow of the hub that is pretty hard to remove, unless you remove the outside bearing to reach the hollow??????
__________________
Old Scout
2015 IH45 Foretravel
2003 Alpine 40' MDTS [Sold]
New Braunfels, Texas
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11-13-2017, 09:28 PM
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#4
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Senior Member
Join Date: Jun 2016
Posts: 611
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Quote:
Originally Posted by Old Scout
Don't have a recommendation on hub oil--most RV owners don't travel enough miles for the type of oil to make a big difference--IMHO. Was curious what technique you plan to use to remove the old oil. From my experience, there is a lot of oil in the hollow of the hub that is pretty hard to remove, unless you remove the outside bearing to reach the hollow??????
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Being the first time for me . That is good to know . Would you think anything serious would happen if it were not all removed . From past experiences in the auto world , I would not think so .
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11-13-2017, 10:03 PM
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#5
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Senior Member
Join Date: Nov 2005
Posts: 7,383
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Yes and no--my experience with replacing the inner hub seal on my 40ft DP, was that the majority of the hub oil is held in the hub hollow. Even if you take off the outside hub cover, mine is a 6-bolt Stemco hub cover, the majority of the oil remains in the hub hollow. I had to remove the entire hub when I replaced the seal--that is when I discovered the hollow. Didn't need to try it but don't see any way to get a suction hose into the hollow without removing the outside bearing. Bottom-line: any new fluid you put in will mix with the existing oil but you won't get much of a change of fresh oil.
__________________
Old Scout
2015 IH45 Foretravel
2003 Alpine 40' MDTS [Sold]
New Braunfels, Texas
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11-13-2017, 10:58 PM
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#6
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Senior Member
Monaco Owners Club Workhorse Chassis Owner
Join Date: Aug 2002
Location: Clovis, CA, USA
Posts: 13,090
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I'm curious...are you changing the oil, and, if so, why?
Or are you just topping off?
__________________
2004 Monaco La Palma 36DBD, W22, 8.1, 7.1 MPG
2000 LEXUS RX300 FWD 22MPG 4020 LBS
Criticism is easier than Craftsmanship
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11-14-2017, 02:24 PM
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#7
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Senior Member
Join Date: Jun 2016
Posts: 611
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Quote:
Originally Posted by Arch Hoagland
I'm curious...are you changing the oil, and, if so, why?
Or are you just topping off?
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To answer your question . Yes I thought I would make a change .
I purchased the coach a year ago . And just thought I would change it . So I have a baseline of my own to follow . Not knowing the recommended intervals .
It is an 05 Journey I purchased from the original 84 yo owner .
Should I not ? As the level is where it should be . And I like synthetic oil .
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11-14-2017, 02:38 PM
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#8
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Senior Member
Monaco Owners Club Workhorse Chassis Owner
Join Date: Aug 2002
Location: Clovis, CA, USA
Posts: 13,090
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I've not heard of any maintenance needing to be done on oil filled bearings.
My are 13 years old with 87,000 miles on them and I've never had to do anything to them other than check the level.
__________________
2004 Monaco La Palma 36DBD, W22, 8.1, 7.1 MPG
2000 LEXUS RX300 FWD 22MPG 4020 LBS
Criticism is easier than Craftsmanship
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11-14-2017, 02:41 PM
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#9
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Senior Member
Join Date: Jun 2016
Posts: 611
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Quote:
Originally Posted by Old Scout
Yes and no--my experience with replacing the inner hub seal on my 40ft DP, was that the majority of the hub oil is held in the hub hollow. Even if you take off the outside hub cover, mine is a 6-bolt Stemco hub cover, the majority of the oil remains in the hub hollow. I had to remove the entire hub when I replaced the seal--that is when I discovered the hollow. Didn't need to try it but don't see any way to get a suction hose into the hollow without removing the outside bearing. Bottom-line: any new fluid you put in will mix with the existing oil but you won't get much of a change of fresh oil.
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Thank you for that information . I do believe in what you say !
Once again I purchased this coach a year ago from the original owner .
I have found this tread http://www.irv2.com/forums/f104/how-...als-84704.html
If I decide to do a change I will take your advise . I can do this task
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11-14-2017, 02:43 PM
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#10
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Senior Member
Join Date: Jun 2016
Posts: 611
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Quote:
Originally Posted by Arch Hoagland
I've not heard of any maintenance needing to be done on oil filled bearings.
My are 13 years old with 87,000 miles on them and I've never had to do anything to them other than check the level.
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That is very valuable to know ! As mine just turned 40K
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11-14-2017, 02:49 PM
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#11
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Senior Member
Join Date: Jun 2012
Location: AB
Posts: 7,587
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Unless the oil has turned milky in color indicating water contamination, there is no reason to change the oil. OTR trucks go for hundreds of thousands of miles.
__________________
2019 Unity LTV CB, pushed by a 2013 Honda CRV, BlueOx Baseplate, Aventa Bar & Patriot Brake
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11-14-2017, 03:19 PM
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#12
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Senior Member
Join Date: Aug 2013
Location: Northeastern Nebraska
Posts: 969
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I have driven trucks hundreds of thousands of miles. I have never heard of changing the oil. The only time oil gets changes if is the seal or bearing goes out. Usually the seal will start to leak. Then you take it all apart. Inspect bearing and refill with new 80-90w.
__________________
06 forest river Cardinal 34 TS towed by 03 freightliner Columbia HDT 435 hp 60 series Detroit, 10 speed, 3:55 gears with full locker. 260 inch wheel base. I am a Father, Farmer, and A Trucker.
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11-14-2017, 08:18 PM
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#13
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Senior Member
Join Date: Mar 2007
Location: Baton Rouge, La
Posts: 838
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My coach is 10 year old, 2007 Model, I changed the oil last month, i installed Lucas oil as per above post.
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11-14-2017, 08:51 PM
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#14
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Senior Member
Join Date: Nov 2005
Posts: 7,383
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Probably be good to check the bearing preload on front hubs, like every 50k miles or so. Loose/sloppy bearings probably wont lead to bearing failure anytime soon but could cause the inner hub seals to fail. Replacing the seal is a pretty intense DIY effort but can be done--just need to hitch up your "big-boy" pants....
__________________
Old Scout
2015 IH45 Foretravel
2003 Alpine 40' MDTS [Sold]
New Braunfels, Texas
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