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Old 02-22-2011, 10:32 AM   #1
josephmech
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Power steering fluid Pentosin

Hydraulic System Fluid CHF 11S Synthetic Oil for Power Steering and Hydraulic System (1 Liter)

Quantity in Stock: 225
Part Number: 82-11-1-468-041 / 82111468041
Manufacturer: PENTOSIN
Applications: BMW

Is this ok to use in my 2001 325i power steering system on the cap it says ATF I am wondering if this would make my PS system function or last longer or do the oposite
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Old 02-22-2011, 10:34 AM   #2
nk_zhp
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NO! Use exactly what's on your label. ATF damages seals for racks meant to operate with Pentosin and vice versa.
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Old 02-22-2011, 10:44 AM   #3
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Cap says it for a reason, stick with ATF!
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Old 02-22-2011, 10:45 AM   #4
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Is redline D4ATF OK? Anyone using it for PS?
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Old 02-22-2011, 10:55 AM   #5
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Redline D4ATF is perfect, as is their PS fluid. I have used both, they seem very similar.
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Old 02-22-2011, 12:42 PM   #6
genuity
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How does the first two pics (starting from the left) relate to the third one? How do they even relate to the post topic?
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Old 02-22-2011, 12:44 PM   #7
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How does the first two pics (starting from the left) relate to the third one? How do they even relate to the post topic?
Those are his private fantasy pics he posted up by mistake.
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Old 02-22-2011, 12:56 PM   #8
dmax
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Read manual, read many ps fluid threads. I use dex3...later years, I think dex6...if changing what was in there, guess you'll drain it entirely?

Study all your fluids...trust no one. Trust me!

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Old 02-23-2011, 09:01 PM   #9
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I've used M1 Synthetic ATF and all continues to work well.
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Old 02-24-2011, 07:57 AM   #10
vintagegz
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Note that Dexron VI is not to be used in power steering applications, must stick with Dexron III such as Mobil 1 version.
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Old 02-24-2011, 08:52 AM   #11
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Vintagegz, whats your proof for that?

How is dex 3 different from dex 4? 5? 6? They are all non synthetic which is bs. Higher should be better? No?

Use mobil 1 synthetic atf.
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Old 02-24-2011, 09:09 AM   #12
Elwin
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Quote:
Originally Posted by josephmech View Post
Hydraulic System Fluid CHF 11S Synthetic Oil for Power Steering and Hydraulic System (1 Liter)

Quantity in Stock: 225
Part Number: 82-11-1-468-041 / 82111468041
Manufacturer: PENTOSIN
Applications: BMW

Is this ok to use in my 2001 325i power steering system on the cap it says ATF I am wondering if this would make my PS system function or last longer or do the oposite
Your car requires "ATF Dexron II-D" into power steering. "D" is very important.
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Old 02-24-2011, 09:10 AM   #13
GA-e46
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Originally Posted by MindFK View Post
Vintagegz, whats your proof for that?

How is dex 3 different from dex 4? 5? 6? They are all non synthetic which is bs. Higher should be better? No?

Use mobil 1 synthetic atf.
I thought youl go up from Dex 3 to 6 because it covers the requirements for 3, 4, and 5. But you can't do the reverse and go from 6 to 3 if 6 is required?
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Old 02-24-2011, 10:58 AM   #14
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I thought youl go up from Dex 3 to 6 because it covers the requirements for 3, 4, and 5. But you can't do the reverse and go from 6 to 3 if 6 is required?
Uh, no. Dex III and VI have different physical properties for different applications. Dex VI is a newer fluid designed for newer trannies to meet very stringent efficiency ratings. Just because its newer does not make it "better".

You can use any decent Dex III ATF.
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Old 02-24-2011, 12:15 PM   #15
vintagegz
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I bought some GM dex VI last year when I was flushing my ps fluid, as I remember the bottle said not to be used in ps systems, so I flushed and went back to Mobil 1 Dex III, check the label surprised me also as usually these fluids are backward compatible
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Old 02-24-2011, 12:24 PM   #16
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Originally Posted by GA-e46 View Post
I thought youl go up from Dex 3 to 6 because it covers the requirements for 3, 4, and 5. But you can't do the reverse and go from 6 to 3 if 6 is required?
No such thing as Dexron 4 or 5.

As mentioned, Dexron VI is newer but isn't necessarily better (Like DOT 5 brake fluid, GL-5 Gear oil etc).
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Old 02-24-2011, 12:26 PM   #17
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no Dex VI in power steering systems

here you go, long but interesting

General Motors DEXRONŽ-VI Global Service-Fill Specification

During early 2005 General Motors released a newly developed automatic transmission fluid (ATF) for the factory fill of all GM Powertrain stepped gear automatic transmissions. The new fluid provides significantly improved performance in terms of friction durability, viscosity stability, aeration and foam control and oxidation resistance. In addition, the fluid has the potential to enable improved fuel economy and extended drain intervals. Since the performance of the new fluid far exceeded that of the DEXRONŽ-III service-fill fluids available at the time it became necessary to upgrade the DEXRONŽ service-fill specification in order to ensure that similar fluids were available in the market for service situations. This latest upgrade to the service- fill specification is designated DEXRONŽ-VI.
Since General Motors introduced the first ATF service-fill specification in 1949 it has been periodically necessary to upgrade the specification. This upgrading process ensures that available service fill fluids are of an appropriate quality for use in transmissions that have been designed around the factory fill fluid performance. It should be noted that, as with previous upgrades, DEXRONŽ-VI fluids are designed to be backward compatible with earlier transmission hardware. More importantly, earlier type fluids are not forward compatible with transmission hardware that was designed to use DEXRONŽ-VI fluid, i.e. DEXRONŽ-III is not compatible with the most recently designed transmissions, and the use of these earlier type fluids could result in transmission damage. All current calibrations and certification tests are now conducted with DEXRONŽ-VI ATF. DEXRONŽ-III fluids should not be used for these applications where the owners manual recommends the use of DEXRONŽ-VI. GM does not license or support obsolete ATF specifications or the use of fluids that are being marketed against cancelled specifications.
All DEXRONŽ-III licenses expire at the end of 2006 and will not be renewed. Beyond that date GM will only support the use of DEXRONŽ-VI fluids for use in Hydra-Matic transmissions. Fluids sold in the market after that date bearing claims such as “suitable for use in DEXRONŽ-III applications” or similar wording should be avoided. DEXRONŽ-VI licensed fluids are fully backward compatible and can be used in all applications covered by earlier GM ATF specifications.

and from GM Tech Link at

http://www.sandyblogs.com/techlink/2...dexron-vi.html

Although DEXRON-VI (fig. 1) was introduced into production starting with 2006 model year vehicles (see bulletin 04-07-30-037D), there are still some misunderstandings about it. Here are some facts to help clear up these misunderstandings.
Since GM introduced the first service-fill specification for automatic transmission fluid (ATF) in 1949, it has been necessary periodically to upgrade the specification as part of a continuous improvement strategy. The upgrading process ensures that available service fill fluids are of an appropriate quality for use in transmissions that have been designed around the improved factory fill fluid performance.

IMPORTANT: As with previous upgrades, DEXRON-VI fluids are designed to be backward compatible with earlier transmission hardware. But more important, earlier type fluids are NOT FORWARD COMPATIBLE with transmissions that were designed to use DEXRON-VI.
DEXRON-VI can be used in any proportion in past model vehicles equipped with an automatic transmission, in place of DEXRON-III (for instance, topping off the fluid in the event of a repair or fluid change). DEXRON-VI is also compatible with any former version of DEXRON for use in automatic transmissions.

TIP: Simply topping off the fluid is adequate, but a full drain and replacement is preferred, to obtain the full benefit.

IMPORTANT: DEXRON-VI Automatic Transmission Fluid (ATF) is the only approved fluid for warranty repairs for GM transmissions requiring DEXRON-III or prior DEXRON transmission fluids.

TIP: Any vehicle that previously used DEXRON-III for a manual transmission or transfer case should now use p/n 88861800 (88861801 in Canada) Manual Transmission and Transfer Case Fluid. And power steering systems should now use p/n 89020661 (89021183 in Canada) Power Steering Fluid.
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Old 02-24-2011, 01:00 PM   #18
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Originally Posted by vintagegz View Post
TIP: Any vehicle that previously used DEXRON-III for a manual transmission or transfer case should now use p/n 88861800 (88861801 in Canada) Manual Transmission and Transfer Case Fluid. And power steering systems should now use p/n 89020661 (89021183 in Canada) Power Steering Fluid.
This only relates to GM vehicles and not other makes such as BMW that use Dexron III in PS systems. Most BMW PS systems are not compatible with 'Power Steering Fluid'.

Do not follow this recommendation unless you have a GM vehicle.
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Old 02-24-2011, 04:53 PM   #19
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your vehicle, your choice, your pump
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Old 02-24-2011, 05:48 PM   #20
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Redline D4ATF in mine and still as new after 50,000 kms. I checked the spec for fluid with Dave at Redline.
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