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Old August 30th, 2011, 15:07   #1666
Thunderstruck
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A no additives clause from VW would imply you must use untreated fuel. If the terminal puts additive in, there goes the warranty.
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Old August 30th, 2011, 15:09   #1667
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Quote:
Originally Posted by Softrockrenegade View Post
Derrel, thanks for the recommendation! When you say you add a liter of bio,
is that B100 or a lower blend?
And also in my owners manual, it recomends no additives.
Will using one such as your recommendation void the factory warrenty? [No!]

Thanks, Ryan


You are most welcome.

All comments be everyone above are good, and are to be taken seriously!

I use one (1) liter of B99 (Biodiesel available from Downs, a local fuel distributor
in Corona CA about 32 miles away from where I live in Murrieta.
Besides their B99 pump, they also have two other pumps, B10 and B20.
I have a good friend who is regularly pumping full tanks of B10 and his sedan is running
rather well to be sure. He says that Indiana is mxing their D2 to produce B11 at
all stations.

Study that Spicer report and draw your own conclusions.
But be sure to use some additive, any additive for good insurance.
Try Opti-Lube XPD and see if your mileage doesn't improve just a little bit,
and see if you don't think your motor runs better and smoother?
In your area, you'll most likely have to send away for Opti-Lube.



D
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Old August 30th, 2011, 15:10   #1668
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Somewhere back in this thread was an additive supplier that listed a VW TSB stating that they had an improved additve. Perhaps if I have time, I'll find it.

Found it - Stanadyne lists this:
VW Service bulletin recommendation.
VW p/n ZVW 340 001 is SAC 32938
Lubricity Formula
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Last edited by kjclow; August 30th, 2011 at 15:19.
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Old August 30th, 2011, 16:43   #1669
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Quote:
Originally Posted by kjclow View Post
Somewhere back in this thread was an additive supplier that listed a VW TSB stating that they had an improved additve. Perhaps if I have time, I'll find it.

Found it - Stanadyne lists this:
VW Service bulletin recommendation.
VW p/n ZVW 340 001 is SAC 32938
Lubricity Formula
Applies only to PDs. I think.

Quote:
Originally Posted by Softrockrenegade View Post
Thanks for the reassurance I'm loving it soo far !!!
Your poor front bumper! Now it's got four holes in it!
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Old August 30th, 2011, 17:16   #1670
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Quote:
Originally Posted by ZiggyTheHamster View Post
Your poor front bumper! Now it's got four holes in it!
Damn New Jersey and our stupid front plates !!!
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Old August 30th, 2011, 17:47   #1671
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Quote:
Originally Posted by Thunderstruck View Post
A no additives clause from VW would imply you must use untreated fuel. If the terminal puts additive in, there goes the warranty.
It's easy enough to write it so that it only applies to additives added by users, rather than additives in fuel from pumps. If it exists in reality, it can be written in.

How can they tell? I don't know, but it may be possible in certain circumstances. For instance, they may not be able to tell if it's user-added bio, but it may be possible if it's PS or Opti.
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Old August 30th, 2011, 19:22   #1672
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Quote:
Originally Posted by oxford_guy View Post
It's easy enough to write it so that it only applies to additives added by users, rather than additives in fuel from pumps. If it exists in reality, it can be written in.

How can they tell? I don't know, but it may be possible in certain circumstances. For instance, they may not be able to tell if it's user-added bio, but it may be possible if it's PS or Opti.

Any fuel additive is considered an additive only when it is added after the fuel is sold at retail.
If it was added before the retail sale it is just part of the fuel we purchased as far as any of us can be concerned.

Come back to reality, folks. THINK.

Bill
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Old August 30th, 2011, 20:12   #1673
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Quote:
Originally Posted by ZiggyTheHamster View Post
Applies only to PDs. I think.
You're probably right but I haven't been able to find anyone that has a copy of it. I guess I can ask the dealer when I pick up my new TDI this next week Then I'll have two in the garage.
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Old August 30th, 2011, 20:38   #1674
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Quote:
Originally Posted by kjclow View Post
You're probably right but I haven't been able to find anyone that has a copy of it. I guess I can ask the dealer when I pick up my new TDI this next week Then I'll have two in the garage.
The Stanadyne Lubricity Formula is for any diesel. GM also recommends it.
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Old August 31st, 2011, 05:14   #1675
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Right, but the TSB is only for PDs and older, I believe. That is, VW recommends it for VEs and PDs, but not CRs.
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Old August 31st, 2011, 09:40   #1676
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And we all know VW can go flick themselves regarding the use of lubricity additives with the CR engines.
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Old August 31st, 2011, 10:52   #1677
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I think if more people understood the difference between diesel fuels sold in Canada vs US, less people would be just blaming VW for HPFP failures. They designed the car expecting certain level of fuel. Seeing how people from different states write about non-existing policies or measures to guarantee a quality of diesel makes me think ....


Having said that, one question mark is why would VW sold a diesel car in a region where a required clean enough fuel is not readily available (I presume they knew it ...)? One way to deal with it would be using more robust/expensive pump which could take dirtier fuel without significantly changing pump lifespan expectancy.... Maybe they knew it, but someone was trying to save a dollar or two ... in the short term. Sounds like hard to believe logic, but who knows anything is possible nowadays.

Is there any other diesel car sold in US which runs the same pump. I believe there's only one or two HPFP pump manufacturers in the whole world (Bosch is one ...). Should not be that hard to crack ...

Last edited by mxs; August 31st, 2011 at 11:01.
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Old August 31st, 2011, 11:05   #1678
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That point about VW not designing a product fit for purpose has been brought up many, many times.

In any case, as far as pumps go, the only vehicles in the US using the Bosch CP4 family pumps are:

VW Golf/Jetta/Audi A3 2.0 TDI
VW Touareg/Audi Q7 3.0 TDI
Ford F-250/350 6.7 PowerStroke
2011 Chevy Silverado/Express/GMC Sierra/Savana Duramax

AFAICT, they're not blowing up in Ford or GM applications.
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Old September 1st, 2011, 17:18   #1679
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Default Verrry Interesting....

"....they're not blowing up in Ford or GM applications."

If this is true, this puts a whole new spin on things, I would imagine.
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Old September 1st, 2011, 19:21   #1680
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The HPFP seems to be fine in the CR M-B diesels, too.
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