Sprinter-Forum    
 

Go Back   Sprinter-Forum > NCV3 Sprinters > NCV3 Talk

NCV3 Talk General Discussions related to NCV3 Sprinters.


 
Thread Tools Display Modes
Old 12-21-2009, 11:57 PM   #1
jdcaples
Not Suitable w/220v Gen
 
jdcaples's Avatar
 
Join Date: Mar 2007
Location: Seattle, WA - USA
Posts: 9,122
Thanks: 1,309
Thanked 3,608 Times in 1,934 Posts
Default NAFTA NCV3 rear axle fluid, MPG impact, going multi-weight synthetic

Every once in a while I'll come across a forum posting - not necessarily Sprinter-Source (maybe, I forget), but some other auto-enthusiast site - talking about an increase in MPGs after changing axle fluid.

I noticed that Dodge is providing SAE 90 gear oil, marked with the word "Sprinter" on the label.

The 2007 owners manual lists several lubes which are appropriate for 2007 Sprinters
OwnersManual-2007-Axle-Fluid-Spec.JPG

The Mobil Delvac Synthetic Gear Oil 75w-90 seems like a better fit to me. I'm not sure why; it just feels like it.

Here's the spec sheet: naxxencvlmomobil_delvac_synthetic_gear_oil_75w-90_80w-140.pdf

Is it still an "approved" fluid? Yes.

http://bevo.mercedes-benz.com/bevoli...hbegriff=235.8

The capacity of the rear axle is 1.8 litres. Dodge wants something like $30 per litre.

This site sells Mobil Delvac Synthetic Gear Oil 75w90 for USD $10.00 or so per litre.

The weather sucks right now for me to experiment, and probably for everyone looking at snow or temperatures in the 40s F.

Anyone wanna give it a shot and report back?

-Jon
__________________
2007 F/Liner 2500 Cargo Van, 144" WB, 3.92 Rear Axle Ratio, Buttons on the Steering Wheel, Contractor Package, Heated glass and seats, no spark plugs or windows in the cargo bay.

US Tech info: http://www.sprintertekinfo.com
US Parts info: http://epc.startekinfo.com (Subscribe to world passenger car and light transport)

Americans may learn to use MB technical resources and parts information here:
http://www.sprintertekinfo.com/epcdemo/start.swf
jdcaples is offline   Reply With Quote
The Following User Says Thank You to jdcaples For This Useful Post:
BBlessing (12-22-2009)
Old 12-22-2009, 01:48 AM   #2
BBlessing
61k happy miles
 
BBlessing's Avatar
 
Join Date: Apr 2008
Location: timbuck two
Posts: 1,373
Thanks: 637
Thanked 390 Times in 215 Posts
Default Re: NAFTA NCV3 rear axle fluid, MPG impact, going multi-weight synthetic

Quote:
Originally Posted by jdcaples View Post
Every once in a while I'll come across a forum posting - not necessarily Sprinter-Source (maybe, I forget), but some other auto-enthusiast site - talking about an increase in MPGs after changing axle fluid.

I noticed that Dodge is providing SAE 90 gear oil, marked with the word "Sprinter" on the label.

The 2007 owners manual lists several lubes which are appropriate for 2007 Sprinters
Attachment 19753

The Mobil Delvac Synthetic Gear Oil 75w-90 seems like a better fit to me. I'm not sure why; it just feels like it.

Here's the spec sheet: Attachment 19754

Is it still an "approved" fluid? Yes.

http://bevo.mercedes-benz.com/bevoli...hbegriff=235.8

The capacity of the rear axle is 1.8 litres. Dodge wants something like $30 per litre.

This site sells Mobil Delvac Synthetic Gear Oil 75w90 for USD $10.00 or so per litre.

The weather sucks right now for me to experiment, and probably for everyone looking at snow or temperatures in the 40s F.

Anyone wanna give it a shot and report back?

-Jon
jon, you never fail to amaze me. one third the price! wow! if you want to wait till it is warmer, i will buy the oil and we can change our axle grease and see what kind of changes in mileage we each get.

bb
BBlessing is offline   Reply With Quote
Old 12-22-2009, 02:01 AM   #3
jdcaples
Not Suitable w/220v Gen
 
jdcaples's Avatar
 
Join Date: Mar 2007
Location: Seattle, WA - USA
Posts: 9,122
Thanks: 1,309
Thanked 3,608 Times in 1,934 Posts
Default Re: NAFTA NCV3 rear axle fluid, MPG impact, going multi-weight synthetic

I'll buy the oil, dude. Just loan me a few dozen square feet on your concrete drive way for a few minutes to do the deed and we'll call it even. :)

-Jon
__________________
2007 F/Liner 2500 Cargo Van, 144" WB, 3.92 Rear Axle Ratio, Buttons on the Steering Wheel, Contractor Package, Heated glass and seats, no spark plugs or windows in the cargo bay.

US Tech info: http://www.sprintertekinfo.com
US Parts info: http://epc.startekinfo.com (Subscribe to world passenger car and light transport)

Americans may learn to use MB technical resources and parts information here:
http://www.sprintertekinfo.com/epcdemo/start.swf
jdcaples is offline   Reply With Quote
Old 12-22-2009, 04:28 AM   #4
cedarsanctum
re: Member
 
cedarsanctum's Avatar
 
Join Date: Jun 2007
Location: Portland, OR
Posts: 1,421
Thanks: 220
Thanked 476 Times in 275 Posts
Default Re: NAFTA NCV3 rear axle fluid, MPG impact, going multi-weight synthetic

I dunno, draining that much gear oil onto someone's driveway doesn't seem like such a good deal to me. ;-)
__________________
2008 Freightliner 2500/170"/High Roof, VandaBlue
cedarsanctum is offline   Reply With Quote
Old 12-22-2009, 04:36 AM   #5
jdcaples
Not Suitable w/220v Gen
 
jdcaples's Avatar
 
Join Date: Mar 2007
Location: Seattle, WA - USA
Posts: 9,122
Thanks: 1,309
Thanked 3,608 Times in 1,934 Posts
Default Re: NAFTA NCV3 rear axle fluid, MPG impact, going multi-weight synthetic

I have a fluid evac system to remove the lion's share of differential fluid w/o a spill.

For the fill, a drain pan on the ground and some cat litter in case I overwhelm the funnel during filling, should result in minimal environmental impact.

I'm not taking my cover plate off. It's not necessary.


-Jon
__________________
2007 F/Liner 2500 Cargo Van, 144" WB, 3.92 Rear Axle Ratio, Buttons on the Steering Wheel, Contractor Package, Heated glass and seats, no spark plugs or windows in the cargo bay.

US Tech info: http://www.sprintertekinfo.com
US Parts info: http://epc.startekinfo.com (Subscribe to world passenger car and light transport)

Americans may learn to use MB technical resources and parts information here:
http://www.sprintertekinfo.com/epcdemo/start.swf
jdcaples is offline   Reply With Quote
Old 12-22-2009, 06:49 PM   #6
sikwan
06 T1N Can
 
sikwan's Avatar
 
Join Date: Sep 2006
Location: San Jose, CA
Posts: 7,691
Thanks: 924
Thanked 1,809 Times in 832 Posts
Default Re: NAFTA NCV3 rear axle fluid, MPG impact, going multi-weight synthetic

Quote:
Originally Posted by jdcaples View Post
I have a fluid evac system to remove the lion's share of differential fluid w/o a spill.
Do you NCV3 guys have the drain plug?
sikwan is offline   Reply With Quote
Old 12-22-2009, 07:32 PM   #7
jdcaples
Not Suitable w/220v Gen
 
jdcaples's Avatar
 
Join Date: Mar 2007
Location: Seattle, WA - USA
Posts: 9,122
Thanks: 1,309
Thanked 3,608 Times in 1,934 Posts
Default Re: NAFTA NCV3 rear axle fluid, MPG impact, going multi-weight synthetic

Yeah.

The back plate has the same pry-out plug as your T1N and a threaded drain plug/bolt that uses a 14mm hex driver bit to turn.

I was just going to use a fluid evac system similar to this to pull out most of the fluid through the fill hole, then open the hex bolt to drain the rest without making a huge oil spill.

Then I was going to put the bolt back in and fill through the plug.

-Jon
__________________
2007 F/Liner 2500 Cargo Van, 144" WB, 3.92 Rear Axle Ratio, Buttons on the Steering Wheel, Contractor Package, Heated glass and seats, no spark plugs or windows in the cargo bay.

US Tech info: http://www.sprintertekinfo.com
US Parts info: http://epc.startekinfo.com (Subscribe to world passenger car and light transport)

Americans may learn to use MB technical resources and parts information here:
http://www.sprintertekinfo.com/epcdemo/start.swf
jdcaples is offline   Reply With Quote
Old 12-23-2009, 02:26 PM   #8
BBlessing
61k happy miles
 
BBlessing's Avatar
 
Join Date: Apr 2008
Location: timbuck two
Posts: 1,373
Thanks: 637
Thanked 390 Times in 215 Posts
Default Re: NAFTA NCV3 rear axle fluid, MPG impact, going multi-weight synthetic

Quote:
Originally Posted by jdcaples View Post
I'll buy the oil, dude. Just loan me a few dozen square feet on your concrete drive way for a few minutes to do the deed and we'll call it even. :)

-Jon
you got it!

bb
BBlessing is offline   Reply With Quote
Old 07-15-2010, 04:30 PM   #9
glas1700
 
glas1700's Avatar
 
Join Date: Oct 2006
Location: Woodside, CA
Posts: 810
Thanks: 66
Thanked 329 Times in 250 Posts
Default Re: NAFTA NCV3 rear axle fluid, MPG impact, going multi-weight synthetic

Quote:
Originally Posted by jdcaples View Post
Every once in a while I'll come across a forum posting - not necessarily Sprinter-Source (maybe, I forget), but some other auto-enthusiast site - talking about an increase in MPGs after changing axle fluid.

I noticed that Dodge is providing SAE 90 gear oil, marked with the word "Sprinter" on the label.

The Mobil Delvac Synthetic Gear Oil 75w-90 seems like a better fit to me. I'm not sure why; it just feels like it.

Here's the spec sheet: Attachment 19754

Is it still an "approved" fluid? Yes.

http://bevo.mercedes-benz.com/bevoli...hbegriff=235.8

The capacity of the rear axle is 1.8 litres. Dodge wants something like $30 per litre.

This site sells Mobil Delvac Synthetic Gear Oil 75w90 for USD $10.00 or so per litre.

The weather sucks right now for me to experiment, and probably for everyone looking at snow or temperatures in the 40s F.

Anyone wanna give it a shot and report back?

-Jon
I've been searching for Mobil Delvac 75W90 recently. The only thing I can find is large quantities (gallon bottles, four per case for $130) from a local Mobil oil distributor, so when I found this link I thought it was the answer until I discovered that the gear oil on the listed website (hrpworld.com) is Mobil 1, not Mobil Delvac. Mobil 1 gear oil is designed for limited slip differentials and doesn't meet the MB 235.8 spec, so consider this before you buy it.

Byron
glas1700 is offline   Reply With Quote

Thread Tools
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

Forum Jump



All times are GMT. The time now is 01:11 AM.


Powered by vBulletin® Version 3.8.9
Copyright ©2000 - 2019, vBulletin Solutions, Inc.