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#4675427 - 02/23/18 11:54 AM Honda DW-1 UOA 35k miles w/Pics
GemStater Offline


Registered: 10/27/14
Posts: 284
Loc: Pacific NW USA
For what it's worth, here is an ATF Used Oil Analysis report from my recently purchased 2006 Accord.

This oil was confirmed to the best of my ability with the Honda dealer who installed it confirming it to be Genuine Honda DW-1.

This DW-1 was installed by Manly Honda of Santa Rosa CA on June 19th 2015 at 80,685 miles. I beleive this was the first transsmission service.

The customer was charged for 12 quarts of ATF on the service invoice.

Manly Honda also use/installed the following additives at the time of this transmission service:

- PN 106 BG Quick Clean for Transmissoins

- PN 310 BG ATC Automatic Transmission Conditioner

I am aware and fully understand that the Honda Dealer's use of aftermarket oil additives has somewhat skewed results of this UOA.

I got the UOA done because I was curious what the Viscosity of the ATF looked like after 35k miles and what the wear numbers looked like. The only thing Polaris flagged as abnormal is the viscosity being "Moderately Low". The only data I can seem to find on Honda DW-1 is an MSDS sheet which puts the viscosity at 6.83 @ 100C. Don't know if the lower viscosity condition on this UOA is from the DW-1 fluid shearing and or the aftermarket additives diluting the formulation?

Since purchasing this car, I've personally performed a 3/3 fluid drain and fill, ATF filter change and replaced both pressure switches.

Transmission BAYA UOA #1

Vehicle----------2006 Honda Accord EX-L,
Engine-----------J30A5 3.0L VTEC, 6 cyl
Trans------------BAYA Five Speed Automatic
OIL--------------Honda (Idemitsu) DW-1
Oil additive----- PN 310 BG ATC Automatic Transmission Conditioner
Make-up oil----N/A
Oil filter---------Honda OEM #25450-RAY-003
Miles on oil------34,868
Miles on vehicle—---115,553

UOA by Polaris Labs private label program, Oil Analyzers Inc:

WEAR METALS (PPM)
iron-------------------77
chromium-------------0
nickel------------------0
aluminum-------------85
copper----------------15
lead-------------------3
tin---------------------0
cadmium--------------0
silver------------------0
vanadium-------------0

Contaminant Metals (PPM)
silicon------------------16
sodium----------------4
potassium-------------2

Multi-Source Metals (PPM)
titanium-----------------0
molybdenum-------------1
antimony-----------------0
manganese--------------1
lithium-------------------0
boron---------------------261

Additive Metals (PPM)
magnesium----------216
calcium---------------374
barium-----------------1
phosphorus--------127
zinc-----------------344

fuel-----------------N/A
visc40---------------N/A
visc100--------------5.4 (rated at 6.83 as per Honda DW-1/IDEMITSU MSDS)
water----------------<.1
soot/solids----------N/A
change---------------YES
oxida-----------------35
nitr------------------8
TBN------------------N/A


Visual condition of Honda DW-1 at time of sample:


Pic of my newly Purchased 2006 Honda Accord EX-L 3.0L w/Navigation - 115k mi.
_________________________
06 Honda Accord EX-L 3.0L – Mobil 0W-20 AFE | Fram XG7313
02 Dodge Grand Caravan 3.3L - PP 5W-30 | Fram Ultra XG8A
69 Plymouth Road Runner 383 - Restoration

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#4675435 - 02/23/18 12:02 PM Re: Honda DW-1 UOA 35k miles w/Pics [Re: GemStater]
GemStater Offline


Registered: 10/27/14
Posts: 284
Loc: Pacific NW USA
For comparison, this recent 2012 Honda Pilot 32k DW-1 UOA had a viscosity of 4.83 @ 100C ->

https://www.bobistheoilguy.com/forums/ub...ion#Post4597568

Questions:

1) Is there a VOA of DW-1 anywhere?
2) Any other DW-1 UOAs?

Curious if DW-1 is prone to shearing?
_________________________
06 Honda Accord EX-L 3.0L – Mobil 0W-20 AFE | Fram XG7313
02 Dodge Grand Caravan 3.3L - PP 5W-30 | Fram Ultra XG8A
69 Plymouth Road Runner 383 - Restoration

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#4675446 - 02/23/18 12:14 PM Re: Honda DW-1 UOA 35k miles w/Pics [Re: GemStater]
zorobabel Offline


Registered: 01/27/11
Posts: 477
Loc: Anaheim, CA
Thanks for posting this.
I'll raise a glass of ATF with you, cheers!
_________________________
1997 Maxima 175k, Delvac 15w40, Wix 51315
2004 Corolla 189k, VWB 5w20 + SSS 10w40, MGL4967

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#4675453 - 02/23/18 12:20 PM Re: Honda DW-1 UOA 35k miles w/Pics [Re: zorobabel]
GemStater Offline


Registered: 10/27/14
Posts: 284
Loc: Pacific NW USA
Originally Posted By: zorobabel
Thanks for posting this.
I'll raise a glass of ATF with you, cheers!


You're welcome. Just don't tell the wife what I do with her glass wear grin
_________________________
06 Honda Accord EX-L 3.0L – Mobil 0W-20 AFE | Fram XG7313
02 Dodge Grand Caravan 3.3L - PP 5W-30 | Fram Ultra XG8A
69 Plymouth Road Runner 383 - Restoration

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#4675577 - 02/23/18 02:08 PM Re: Honda DW-1 UOA 35k miles w/Pics [Re: GemStater]
GemStater Offline


Registered: 10/27/14
Posts: 284
Loc: Pacific NW USA
Just found this...

The BG ATC Transmission Conditioner has a viscosity of 6.29 @ 100C – > http://www.lubri-care.com/msds/downloads/310.pdf

BG ATC link: https://www.bgprod.com/catalog/transmiss...r/#bg-product-3
_________________________
06 Honda Accord EX-L 3.0L – Mobil 0W-20 AFE | Fram XG7313
02 Dodge Grand Caravan 3.3L - PP 5W-30 | Fram Ultra XG8A
69 Plymouth Road Runner 383 - Restoration

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#4675592 - 02/23/18 02:28 PM Re: Honda DW-1 UOA 35k miles w/Pics [Re: GemStater]
ARB1977 Offline


Registered: 06/12/05
Posts: 5167
Loc: North Texas
Valvoline maxlife is DW1 approved. Although no uoa I change the fluid every 30K. Going on 175K on the same transmission. Shifts like butter.
_________________________
2015 Tacoma 4.0L 60K (as of 02/23/18)
Amsoil SS 0W30 / Toyota filter

2018 CRV 1.5L (as of 05/11/18)
Factory fill / Factory filter

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#4675613 - 02/23/18 02:56 PM Re: Honda DW-1 UOA 35k miles w/Pics [Re: ARB1977]
GemStater Offline


Registered: 10/27/14
Posts: 284
Loc: Pacific NW USA
Originally Posted By: ARB1977
Valvoline maxlife is DW1 approved. Although no uoa I change the fluid every 30K. Going on 175K on the same transmission. Shifts like butter.


Yeah, I see quite a few people using Maxlife in their Honda transmissions with good results. I prefer Amsoil Signature Series ATF in all my transmissions and that's what went back into this Honda. The Amsoil (ATF) is Honda Z1 rated having the slightly thicker viscosity my car came from the factory with. Figured a transmission with 115k, probably error on the side of thicker.
_________________________
06 Honda Accord EX-L 3.0L – Mobil 0W-20 AFE | Fram XG7313
02 Dodge Grand Caravan 3.3L - PP 5W-30 | Fram Ultra XG8A
69 Plymouth Road Runner 383 - Restoration

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#4675719 - 02/23/18 05:38 PM Re: Honda DW-1 UOA 35k miles w/Pics [Re: GemStater]
Trav Offline


Registered: 11/20/06
Posts: 18848
Loc: MA, Mittelfranken.de
Amsoil ATF is all I use in these and most others. Line off exchange only I don't waste my time or money with almost useless drain and fills.


Edited by Trav (02/23/18 05:39 PM)
_________________________
ASE L1, Master. Deutsch Meisterbrief.

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#4675861 - 02/23/18 08:00 PM Re: Honda DW-1 UOA 35k miles w/Pics [Re: GemStater]
Balrog006 Offline


Registered: 08/09/16
Posts: 465
Loc: West Michigan
I did a ATF UOA for my DW-1 drain @30,735m in my ‘08 CRV K24 with the 5 speed auto-though I’m not completely sure the trans is the same as your V-6 accord, my results were fairly similar, aside from the additives in yours

Highlights:

AL-51
FE-40
Boron-125

Calcium-189
Mag-38
Pho-201
Zinc-94

cST vis @100c was 5.3
Flashpoint 420F

FWIW Blackstone flagged the AL as “a little higher than average, but not worrisome”
_________________________
06 MDX 211K+ P Plat 0w20, A01
08 CRV 271K+ VSyn w/ML, A01
04 JD L130 720H, Mobil S 5w30
13 JD 2032r 300H, JD Plus 50 ii 15w40
M1Delvac 5w40 in OPE

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#4675905 - 02/23/18 08:45 PM Re: Honda DW-1 UOA 35k miles w/Pics [Re: GemStater]
bulwnkl Offline


Registered: 02/09/05
Posts: 1741
Loc: Arizona
Originally Posted By: GemStater

2) Any other DW-1 UOAs?

Curious if DW-1 is prone to shearing?




2013 Ridgeline DW-1 UOA

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#4677183 - 02/25/18 01:50 AM Re: Honda DW-1 UOA 35k miles w/Pics [Re: Trav]
The Critic Offline


Registered: 08/30/04
Posts: 19795
Loc: CA
Originally Posted By: Trav
Amsoil ATF is all I use in these and most others. Line off exchange only I don't waste my time or money with almost useless drain and fills.


A lot of the newer Honda units no longer run atf to the radiator. Which cooler lines are you using? I suppose I could tap into the line for the external filter, but that is a bit annoying and messy.
_________________________
2011 Toyota Prius - 168k - ServicePro Dexos 0W-20
2007 Honda Accord 2.4 - 128K - Idemitsu 5W-20

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#4677402 - 02/25/18 09:22 AM Re: Honda DW-1 UOA 35k miles w/Pics [Re: The Critic]
GemStater Offline


Registered: 10/27/14
Posts: 284
Loc: Pacific NW USA
Originally Posted By: The Critic
Originally Posted By: Trav
Amsoil ATF is all I use in these and most others. Line off exchange only I don't waste my time or money with almost useless drain and fills.


A lot of the newer Honda units no longer run atf to the radiator. Which cooler lines are you using? I suppose I could tap into the line for the external filter, but that is a bit annoying and messy.


Correct! My application has a standalone external heat exchanger, not on the radiator, and internal, replaceable filter. I suppose a guy could try and do fluid exchange at the external exchanger, but what a pain. I opted for the costly, wasteful, Honda approved drain and fill method.

Upper left = Heat Exchanger. Lower right = filter housing
_________________________
06 Honda Accord EX-L 3.0L – Mobil 0W-20 AFE | Fram XG7313
02 Dodge Grand Caravan 3.3L - PP 5W-30 | Fram Ultra XG8A
69 Plymouth Road Runner 383 - Restoration

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