How many miles for power steering fluid flush and engine coolant flush? - Hyundai Genesis Forum
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post #1 of 36 Old 11-13-2013, 12:28 PM Thread Starter
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How many miles for power steering fluid flush and engine coolant flush?

Mine is 50,000 miles and I am considering both, however I have not noticed any issues with leakage or engine overheating.
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post #2 of 36 Old 11-13-2013, 12:36 PM
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Coolant really depends on the environment that you live in but typical and good practice is to do it yearly. I do mine right before the winter months...

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post #3 of 36 Old 11-13-2013, 01:05 PM
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Yearly is total over kill for most modern vehicles.

2010 3.8
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post #4 of 36 Old 11-13-2013, 01:18 PM
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2 years is what I do.

That PS fluid is liquid gold too.....

I see O'Reilys carries it if one is near you at $17 a Liter. It's the shipping that is expensive.

Pentosin - Hydraulic System Fluid CHF202

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post #5 of 36 Old 11-13-2013, 01:32 PM
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Hyundai's official coolant interval is in the manual.

At first, replace at 60,000 miles (96,000 km) or 60 months
After that, replace every 25,000 miles (40,000 km) or 24 months

This is in-line with other Asian manufacturers using first generation HOAT-type "long life" coolant.

They don't call for a replacement of power steering fluid. Pentosin also calls the CHF202 fluid a "lifetime fluid"...http://www.pentosin.net/specsheets/Pentosin_CHF_202.pdf Still, there's no harm in changing it if done properly.

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post #6 of 36 Old 11-13-2013, 01:51 PM
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Originally Posted by 2.0TGT View Post
Yearly is total over kill for most modern vehicles.
Tell someone that lives in Alaska that, or someone that tracks a vehicle on a weekly basis.

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post #7 of 36 Old 11-13-2013, 02:25 PM
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I did mine at 30k... Fk it why not?

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post #8 of 36 Old 11-13-2013, 04:38 PM
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I don't think it's been done for mine yet. I don't want to pay $100 to get it done though and I have no idea what I'm doing so I'm kind of in a conundrum. But at 100k miles I do it regardless unless I come up with a solution before then.

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post #9 of 36 Old 11-13-2013, 04:42 PM
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-Flush the OEM coolant at 30,000-40,000 kms then a yearly drain and fill after that.
-P/S fluid I would recommend every 2 years
-Brake Fluid every 2 years
-tranny/diff every 2 years

Duro

2013 Genesis Coupe 2.0t R-Spec, White Satin Pearl
-Modified OEM intake, SK1 intake w/K&N drop in filter
-OEM Front Strut Brace
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-Ultra Racing Room Bar
-6pc Chassis Underbrace kit
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post #10 of 36 Old 11-13-2013, 05:54 PM
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The easiest way with the PS fluid is to just use a turkey baster to suck out the fluid in the PS reservoir. Then add new fluid every year.

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If the Pharaohs had duct tape, the Sphinx would still have a nose...."
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post #11 of 36 Old 11-14-2013, 05:04 AM
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Quote:
Originally Posted by SeRious12 View Post
Tell someone that lives in Alaska that, or someone that tracks a vehicle on a weekly basis.

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I still stand by my statement(for coolant). Yearly still not required if you are using correct spec coolant and the car/cooling system is in good shape.

I used to track mine all the time the first 2 yrs of ownership.

I'm still on original coolant. I will change this year.

2010 3.8
Bilstein PSS Coilovers
Eibach sways bars
Braelin BR02 19"
Solo Performance exhaust
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post #12 of 36 Old 11-14-2013, 06:37 AM
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My recommendation for coolant is to drain and fill every 50k miles. Make sure if you do not get a diluted gallon coolant that you purchase a gallon of distilled water to mix with the coolant. As far power steering fluid goes I would also do it every 50k miles. At my work we have a flush machine where it sucks the old fluid out and returns with new fluid while the vehicle is running.

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post #13 of 36 Old 11-14-2013, 08:37 AM
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I do mine every 60,000 miles (96,000km)
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post #14 of 36 Old 11-14-2013, 01:09 PM Thread Starter
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Thanks all for responses. I think I will leave the power steering fluid alone for now. I will keep an eye on it periodically to detect any changes in color/leaks, and will change my coolant next oil change.
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post #15 of 36 Old 12-01-2014, 05:35 AM
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Prestone has a synthetic power steering fluid that is specifically for ALL Asian cars. Anyone try it?
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post #16 of 36 Old 12-01-2014, 10:11 AM
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Why?

Pentosin already makes the chf202 which the oem fluid.

It's already synthetic, and if you change it ONCE in the vehicles lifetime your doing well.

Besides how can it be for all asian vehicles when Honda has specific additives pack which will distroy Toyota and Hyundai hydraulic pumps in a few short weeks.

Global fluids are always a compremise and often do more harm than good.

Stick with your oem fluid specs and you'll be laughing all the way to the bank.

Duro

2013 Genesis Coupe 2.0t R-Spec, White Satin Pearl
-Modified OEM intake, SK1 intake w/K&N drop in filter
-OEM Front Strut Brace
-Ultra Racing Rear Strut Brace
-Ultra Racing Room Bar
-6pc Chassis Underbrace kit
-22mm OEM Rear swaybar
-Front 19x8.5 et15, 245/35R19
-Rear 19x9.5 et20, 275/35R19
-Flyryde Headlights, 6000k HID

Last edited by Duro5341; 12-01-2014 at 10:16 AM.
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post #17 of 36 Old 12-02-2014, 04:13 PM
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I've got 52,000 miles on my car, it's never been changed. I figured maybe at 60,000 miles it'd change out the coolant. I don't track my car, and generally don't drive very hard.

Last edited by Jpc647; 12-02-2014 at 04:18 PM.
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post #18 of 36 Old 12-03-2014, 04:06 AM
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The Pentosin CHF11S is a fully synthetic fluid, the CHF202 is a semi synthetic and being phased out I hear.

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If the Pharaohs had duct tape, the Sphinx would still have a nose...."
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post #19 of 36 Old 12-03-2014, 07:05 AM
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Both 11s and 202 are synthetic fluids with slightly different viscosity ratings.

The 11s is better in extreme cold flow conditions and 202 is better in the hottest sheer conditions.

Depends on manufacturer lubrication clearences and normal operating tempreture of the fluid. Size of oil coolers, piping, oil capacity, etc all change the warm up time and normal operating tempreture of the oil

Hyundai has chosen 202 to meet its hydraulic requirements, and their engineers are generally smarter than us as they have more information than we do to compare.

From what i have heard 11s is being phased out and 202 is its replacement as BMW'S now spec both fluids and states that 202 van be used as a replacement for 11s

Duro

2013 Genesis Coupe 2.0t R-Spec, White Satin Pearl
-Modified OEM intake, SK1 intake w/K&N drop in filter
-OEM Front Strut Brace
-Ultra Racing Rear Strut Brace
-Ultra Racing Room Bar
-6pc Chassis Underbrace kit
-22mm OEM Rear swaybar
-Front 19x8.5 et15, 245/35R19
-Rear 19x9.5 et20, 275/35R19
-Flyryde Headlights, 6000k HID

Last edited by Duro5341; 12-03-2014 at 09:02 AM.
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post #20 of 36 Old 12-03-2014, 08:02 AM
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Yes you're right. I though one was semi synthetic. And it looks like the 202 is the newer fluid.

Here's the data sheets.

CHF11S technical datasheet:
http://www.pentosin.net/pressrelease..._CHF11S_V3.pdf

CHF202 technical datasheet:
http://www.pentosin.net/specsheets/Pentosin_CHF_202.pdf

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