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#3256192 - 01/22/14 12:19 PM CHF 11S or 202 in GM R&P system?
Falcon_LS Offline


Registered: 10/03/08
Posts: 3951
Loc: Kuwait
I'm looking to run synthetic PSF in my Envoy and don't have much choice in my neck of the woods. I'm wondering how compatible Pentosin's CHF 11S or 202 fluid would be with my rack and pinion set up? Thanks!
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#3256197 - 01/22/14 12:22 PM Re: CHF 11S or 202 in GM R&P system? [Re: Falcon_LS]
dparm Offline


Registered: 04/19/10
Posts: 13101
Loc: Chicago, IL
What is spec'd for that vehicle? CHF11S and the newer 202 are general-purpose hydrualic fluids, and are very stout.
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#3256282 - 01/22/14 01:17 PM Re: CHF 11S or 202 in GM R&P system? [Re: dparm]
BISCUT Offline


Registered: 12/28/11
Posts: 1858
Loc: NewYorkistan
Originally Posted By: dparm
What is spec'd for that vehicle? CHF11S and the newer 202 are general-purpose hydrualic fluids, and are very stout.


And pricey 2! Get what you pay for. I recently did a power steering flush and reservoir swap (filter in-bedded) with CHF11S.
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#3256308 - 01/22/14 01:36 PM Re: CHF 11S or 202 in GM R&P system? [Re: Falcon_LS]
EricF Offline


Registered: 07/14/09
Posts: 1640
Loc: SF Bay Area
Maybe an addtive would be easier to find? like LubeGard's p/s protectant, or maybe ATP's p/s protectant?
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#3256408 - 01/22/14 02:54 PM Re: CHF 11S or 202 in GM R&P system? [Re: BISCUT]
dparm Offline


Registered: 04/19/10
Posts: 13101
Loc: Chicago, IL
Originally Posted By: BISCUT
Originally Posted By: dparm
What is spec'd for that vehicle? CHF11S and the newer 202 are general-purpose hydrualic fluids, and are very stout.


And pricey 2! Get what you pay for. I recently did a power steering flush and reservoir swap (filter in-bedded) with CHF11S.



Yeah, but it's a great fluid. You can get it at Pep Boys, O'Reilly, etc with coupons.
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#3256523 - 01/22/14 05:03 PM Re: CHF 11S or 202 in GM R&P system? [Re: Falcon_LS]
SHOZ Offline


Registered: 06/28/03
Posts: 4542
Loc: Illinois
Synthetic ATF? It's easy to get.
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#3256593 - 01/22/14 06:20 PM Re: CHF 11S or 202 in GM R&P system? [Re: dparm]
BISCUT Offline


Registered: 12/28/11
Posts: 1858
Loc: NewYorkistan
Originally Posted By: dparm
Originally Posted By: BISCUT
Originally Posted By: dparm
What is spec'd for that vehicle? CHF11S and the newer 202 are general-purpose hydrualic fluids, and are very stout.


And pricey 2! Get what you pay for. I recently did a power steering flush and reservoir swap (filter in-bedded) with CHF11S.



Yeah, but it's a great fluid. You can get it at Pep Boys, O'Reilly, etc with coupons.


I didn't notice it around me...I had to go Amazon route. I'l keep this in mind next time. Thanks for the heads up.
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#3257858 - 01/23/14 07:24 PM Re: CHF 11S or 202 in GM R&P system? [Re: dparm]
dailydriver Offline


Registered: 03/14/06
Posts: 8752
Loc: Bucks County, Pa.
Originally Posted By: dparm
Originally Posted By: BISCUT
Originally Posted By: dparm
What is spec'd for that vehicle? CHF11S and the newer 202 are general-purpose hydrualic fluids, and are very stout.


And pricey 2! Get what you pay for. I recently did a power steering flush and reservoir swap (filter in-bedded) with CHF11S.



Yeah, but it's a great fluid. You can get it at Pep Boys, O'Reilly, etc with coupons.


NAPA as well.
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#3257862 - 01/23/14 07:26 PM Re: CHF 11S or 202 in GM R&P system? [Re: dparm]
dailydriver Offline


Registered: 03/14/06
Posts: 8752
Loc: Bucks County, Pa.
Originally Posted By: dparm
What is spec'd for that vehicle? CHF11S and the newer 202 are general-purpose hydrualic fluids, and are very stout.


I thought that the 11s was the better/newer/updated fluid.

It has better specs on paper according to their site's PDSes on both?? ???

BTW; I also would like to know if it is compatible/usable in a DOMESTIC GM (vs. euro Opel/Vauxhall) power steering system (seal compatibility/etc.).
_________________________
2000 Z28 1SC 6 speed 180K miles
4L Motul 300V 0W-40, 2L Motul 300V 0W-20
M1-206 oil filter
Motul Gear 300 75W-90
Red Line D4/MTL in the T56

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#3259219 - 01/25/14 02:49 AM Re: CHF 11S or 202 in GM R&P system? [Re: Falcon_LS]
Falcon_LS Offline


Registered: 10/03/08
Posts: 3951
Loc: Kuwait
The unit is spec'd for GM Power Steering Fluid, and the part number listed in the manual is 89021184.

I won't run ATF in a modern GM steering system. After researching this quite a bit, it was actually on BITOG that I found out GM's PSF is a mineral fluid with a boron and phosphorous additives.

The last time I flushed out the system in February '13, and I've put about ~16,250 miles on it since. The steering started feeling a bit numb, so I thought I might as well change the fluid. When I disconnected the return hose going to the cooler and saw the stuff coming out, I wasn't happy to say the least. I went through 2 quart bottles of GM's PSF, but I'm going to be repeating it later on today to flush out the old stuff.

Given the condition of the fluid, I would like to switch to synthetic. I have little to no choice of product for an alternative, however. You get the OE fluids, like Honda's and GM's and so forth, but nothing in the aftermarket.

Pentosin and Febi-Bilstein have CHF 11S, 202 and 7.1 available in German parts stores and last I checked, 11S was a superior fluid to 202. I haven't looked into 7.1 though.
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00 Pajero: MD352626
01 Grand Marquis: XG2
03 Expedition SSV: XG2
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07 SRX: XG8765

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#3259661 - 01/25/14 01:18 PM Re: CHF 11S or 202 in GM R&P system? [Re: Falcon_LS]
Falcon_LS Offline


Registered: 10/03/08
Posts: 3951
Loc: Kuwait
Alright, so I took the plunge and made the switch. Went through 3 liters - 2 to flush and 1 to fill.

Nothing much to write home about, other than the steering feels slightly firmer. Feels like there's less “drag” on the engine, but that could just be my imagination. Let's see how it holds up.
_________________________
GC 0W-40
99 Explorer EB: XG8A
00 Pajero: MD352626
01 Grand Marquis: XG2
03 Expedition SSV: XG2
05 Envoy: 51522XP
07 SRX: XG8765

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#3260249 - 01/26/14 04:57 AM Re: CHF 11S or 202 in GM R&P system? [Re: Falcon_LS]
Garak Offline


Registered: 12/05/09
Posts: 21466
Loc: Regina, Saskatchewan, Canada
I believe the 202 is the newer stuff. 7.1 should be older, mineral based. The Pentosin site (or Beck Arnley site, which has a bunch of Pentosin information) might have some idea as to compatibility.
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2008 Infiniti G37 coupe - Mobil Delvac 1 ESP 5w-40, Baldwin B1402
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#3260342 - 01/26/14 08:14 AM Re: CHF 11S or 202 in GM R&P system? [Re: Falcon_LS]
SHOZ Offline


Registered: 06/28/03
Posts: 4542
Loc: Illinois
202 is synthetic.

Pentosin CHF 202 Long-Life Synthetic Hydraulic Fluid For Modern Vehicles



Approvals/Specifications
Organization Name Specification Met
DIN 51 524 T3
Ford Ford approved
GM/Opel B 040 2012
Hyundai 00232-19017
ISO 7308
Porsche 000 043 206 56
Volkswagen TL 52 146.01
Volvo 30741424
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2008 Hyundai Accent 1.6L 5 sp manual hatchback
2010 Hyundai Genesis Coupe Track 2L Turbo 6sp manual

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#3260786 - 01/26/14 05:23 PM Re: CHF 11S or 202 in GM R&P system? [Re: Falcon_LS]
dailydriver Offline


Registered: 03/14/06
Posts: 8752
Loc: Bucks County, Pa.
Originally Posted By: Falcon_LS
and last I checked, 11S was a superior fluid to 202.


^^^THIS is what I thought as well, at least according to their own spec sheets (and looking at those specs it HAS TO BE a full synthetic wink ). ???

My local semi-indie store in Lambertville has this stuff (the 11S) right on the shelf for $21.35
_________________________
2000 Z28 1SC 6 speed 180K miles
4L Motul 300V 0W-40, 2L Motul 300V 0W-20
M1-206 oil filter
Motul Gear 300 75W-90
Red Line D4/MTL in the T56

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#3261281 - 01/27/14 07:35 AM Re: CHF 11S or 202 in GM R&P system? [Re: SHOZ]
Whitewolf Offline


Registered: 10/05/06
Posts: 2840
Loc: MI, USA
CHF 202 is PAO/HC
CHF 11S is PAO
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