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05-27-2017, 09:59 AM
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#1
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Senior Member
National RV Owners Club
Join Date: Sep 2016
Location: Sharpsville, IN
Posts: 204
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Another caterpillar oil capacity question
My Freightliner chassis book says if you have steel oil pan it takes 21 quarts.
I have a steel pan. I have read and have been told that Caterpiller change the capacity due to excessive blow-by, it was suggested to drain oil and change filter add 17 quart, run the engine let it set and mark the dipstick as "Add", the add 2 more quarts (total of 19) and mark the dipstick as "Full".
I changed the oil added 17 quarts ran the engine let it set and the dip stick shows full? Do I run it with 17 quarts or add 2 more and put way over full on the dipstick?
__________________
Jay Wolf
2000 National Tradewinds 7373
Sharpsville, In
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05-27-2017, 10:39 AM
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#2
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Senior Member
Join Date: Dec 2009
Location: Out there, somewhere
Posts: 9,867
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Quote:
Originally Posted by jaywolf
My Freightliner chassis book says if you have steel oil pan it takes 21 quarts.
I have a steel pan. I have read and have been told that Caterpiller change the capacity due to excessive blow-by, it was suggested to drain oil and change filter add 17 quart, run the engine let it set and mark the dipstick as "Add", the add 2 more quarts (total of 19) and mark the dipstick as "Full".
I changed the oil added 17 quarts ran the engine let it set and the dip stick shows full? Do I run it with 17 quarts or add 2 more and put way over full on the dipstick?
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Well Sir,
The procedure you've outlined IS the correct procedure. You don't say what year or, specifically what CAT engine you have. Much of the procedure pertains to the C-7 but, is also applicable to the 3126, if I'm not mistaken. This oil capacity dilemma has been around for a few years now. I did that very procedure several years ago when we first purchased our present coach, an '04 Itasca Horizon, 36GD with the CAT C-7 330HP. Once the procedure was completed, I took my die grinder with a metal prep scotch pad on it and erased all the previous marks. Then, I put the correct "add" and "full" marks where they needed to be.
Scott
__________________
2004 ITASCA HORIZON 36GD, 2011 GMC Sierra 1500 4x4 Toad '20 Honda NC750X DCT
Retired-29.5 yrs, SDFD, Ham - KI6OND
Me, Karla and the Heidi character, (mini Schnauzer)!
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05-27-2017, 10:48 AM
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#3
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Senior Member
Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 31,266
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Is the coach sitting level ?
Was the engine off for an hour or more when you checked the oil level. ?
__________________
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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05-27-2017, 11:28 AM
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#4
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Senior Member
National RV Owners Club
Join Date: Sep 2016
Location: Sharpsville, IN
Posts: 204
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Quote:
Originally Posted by FIRE UP
Well Sir,
The procedure you've outlined IS the correct procedure. You don't say what year or, specifically what CAT engine you have. Much of the procedure pertains to the C-7 but, is also applicable to the 3126, if I'm not mistaken. This oil capacity dilemma has been around for a few years now. I did that very procedure several years ago when we first purchased our present coach, an '04 Itasca Horizon, 36GD with the CAT C-7 330HP. Once the procedure was completed, I took my die grinder with a metal prep scotch pad on it and erased all the previous marks. Then, I put the correct "add" and "full" marks where they needed to be.
Scott
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It's 3126B, But oddly enough, I went back after over 2 hours and checked it and it was at the add mark? I added 2 quarts and it brought it up to full with 19 quarts in it. it looks like the factory dipstick and marking do not look home added.
Note is say check cold or after an hour.
Note it say check it cold or after an hour.
at 19 quarts
__________________
Jay Wolf
2000 National Tradewinds 7373
Sharpsville, In
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05-27-2017, 12:21 PM
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#5
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Senior Member
National RV Owners Club Solo Rvers Club Freightliner Owners Club
Join Date: Mar 2011
Location: FT for 6 years, NW in the summer, S in winter.
Posts: 1,173
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Thought.....see if the tube that holds the dip-stick is slipping in and out (moving) when you remove and replace the dip-stick. Mine does. And also my oil fill tube. Rook
__________________
When you get a chance to dance, or sit this one out......I hope you DANCE!
98 National Tradewinds 7370, powered by a 3126B 300HP CAT Turbo, Freightliner XC chassis
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05-30-2017, 08:03 PM
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#6
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Senior Member
Tiffin Owners Club
Join Date: Aug 2016
Location: Bastrop Texas
Posts: 1,343
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I agree you were correct. Google You Tube and search "adept ape" and watch his video on C7 oil change.
__________________
2000 Allegro Bus 35R 3126 Cat 300 Allison 3060MD 6 speed
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06-03-2017, 11:21 AM
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#7
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Senior Member
American Coach Owners Club
Join Date: Jul 2007
Location: SW Florida
Posts: 2,971
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Quote:
Originally Posted by jaywolf
My Freightliner chassis book says if you have steel oil pan it takes 21 quarts.
I have a steel pan. I have read and have been told that Caterpiller change the capacity due to excessive blow-by, it was suggested to drain oil and change filter add 17 quart, run the engine let it set and mark the dipstick as "Add", the add 2 more quarts (total of 19) and mark the dipstick as "Full".
I changed the oil added 17 quarts ran the engine let it set and the dip stick shows full? Do I run it with 17 quarts or add 2 more and put way over full on the dipstick?
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One thing is for sure and that you can't depend of the dipstick which was installed by the chassis manufacture. Best to be right and just mark your stick accordingly or cut off some of the tube for making it right, if that's the case and wouldn't try adding to it.
My CAT book says 34qts. but things change and with a call to CAT with my serial number, they say 33qts with a 2.5qt filter.
Also mine has a habit of reading differently at times and depending on how long it sits and how long you leave the stick in, before pulling it out again to check it. Pretty frustrating so will be really paying attention at the next oil change with where 33qts puts it and have no idea where it is now.
I say this because of the way you must install a Spartan fluid tube on the CAT oil pan and Spartan is kind of iffy about it, as well.
__________________
07 Revolution LE 40E_1 1/2 Baths_Spartan MM Chassis_06 400HP C9 CAT_ Allison 3000
Dinghy_2010 Jeep Wrangler JKU ISLANDER
1998 36ft. National Tropi-Cal Chevy Model 6350 (SOLD)
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06-05-2017, 10:57 AM
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#8
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Senior Member
Join Date: May 2013
Posts: 962
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I have the same engine and called CAT, they said 34.5 quarts. I did that. Boy did I "lubricate" the paint on my toad pickup!!! That was with a slobber tube catch can. A quart or so of oil in "mist" form covers a large surface area of a toad (and back of coach!!).
I have learned that anything over 33 leads to excess slobber and shows on my rig as near the bottom of the full range. I also agree that I get very different results if I do not wait 4 hours or so to check oil. Shouldn't take that long to get the oil back in the pan I know, just what I experience.
Chris
Quote:
Originally Posted by tropical36
One thing is for sure and that you can't depend of the dipstick which was installed by the chassis manufacture. Best to be right and just mark your stick accordingly or cut off some of the tube for making it right, if that's the case and wouldn't try adding to it.
My CAT book says 34qts. but things change and with a call to CAT with my serial number, they say 33qts with a 2.5qt filter.
Also mine has a habit of reading differently at times and depending on how long it sits and how long you leave the stick in, before pulling it out again to check it. Pretty frustrating so will be really paying attention at the next oil change with where 33qts puts it and have no idea where it is now.
I say this because of the way you must install a Spartan fluid tube on the CAT oil pan and Spartan is kind of iffy about it, as well.
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__________________
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American Revolution 40L CAT C9
Samsung 197, TireMinder, Ready Brute Elite with Wrangler
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06-05-2017, 01:43 PM
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#9
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Senior Member
American Coach Owners Club
Join Date: Jul 2007
Location: SW Florida
Posts: 2,971
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Quote:
Originally Posted by akeyzoo
I have the same engine and called CAT, they said 34.5 quarts. I did that. Boy did I "lubricate" the paint on my toad pickup!!! That was with a slobber tube catch can. A quart or so of oil in "mist" form covers a large surface area of a toad (and back of coach!!).
I have learned that anything over 33 leads to excess slobber and shows on my rig as near the bottom of the full range. I also agree that I get very different results if I do not wait 4 hours or so to check oil. Shouldn't take that long to get the oil back in the pan I know, just what I experience.
Chris
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My experience also and don't get it with all these different level readings and what got me adding probably too much oil in the first place. Although I do have a little leakage, yet to be found positively, but evidently the oil pan and even though the gasket has been changed once, already. Nothing to speak of from the slobber tube and do have a Gatorade bottle hanging on it, as well.
Not really bad on the toad and maybe just some drops on the right front fender and bumper.
I personally replaced the fluid tube after a melt down from the turbo and wrapped the new one with glass insulation, that I got from a speed shop, while in RI. Spartan sells this add-on also, but it's not very long and I usually overkill everything. Long story with the way I connected it to the oil pan, but if my calculations are correct, along with trying to second guess Spartan, being full should be below the add mark a bit. I'm about on the add mark now and wouldn't dare add another qt.
__________________
07 Revolution LE 40E_1 1/2 Baths_Spartan MM Chassis_06 400HP C9 CAT_ Allison 3000
Dinghy_2010 Jeep Wrangler JKU ISLANDER
1998 36ft. National Tropi-Cal Chevy Model 6350 (SOLD)
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