Power Steering Fluid Question
06-25-2010, 03:42 PM
#1
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Power Steering Fluid Question
I need to know which P.S. Fluid(s) we can use to meet our GM Spec. 9985835.? I believe the GM fluid is no longer produced. 12345866 & 12345867.I do know the Valvoline is no longer a Synthetic which might not mean much.
Thanx
Thanx
06-25-2010, 03:52 PM
#2
Le Mans Master
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2023 C5 of the Year Finalist - Modified
2022 C5 of the Year Finalist - Modified
St. Jude Donor '09-'10-'11
I use Valvoline but I thought it said synthetic on the side.... Are they lying?
Might want to try this:
Might want to try this:
06-25-2010, 04:01 PM
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I use Valvoline but I thought it said synthetic on the side.... Are they lying?
Might want to try this:
Might want to try this:
Does Amsoil meet the Spec.(9985835)? I couldn't find it on their Web Site.
06-25-2010, 04:05 PM
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2023 C5 of the Year Finalist - Modified
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I dont know what spec specifically but I run all their other oils and it is great stuff.
06-25-2010, 04:08 PM
#5
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"AMSOIL Synthetic Universal Power Steering Fluid meets or exceeds motor vehicle specifications for use in GM, Chrysler, Honda, Ford, Volkswagen, Mercedes, Saab, Subaru and Audi applications."
I dont know what spec specifically but I run all their other oils and it is great stuff.
I dont know what spec specifically but I run all their other oils and it is great stuff.
see http://www.amsoil.com/storefront/psf.aspx
06-25-2010, 04:24 PM
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2023 C5 of the Year Finalist - Modified
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St. Jude Donor '09-'10-'11
The Spec. Stated is 9985010, Saginaw Units
see http://www.amsoil.com/storefront/psf.aspx
see http://www.amsoil.com/storefront/psf.aspx
How does it compare to the 9985835 spec?
06-25-2010, 04:26 PM
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06-25-2010, 06:14 PM
#8
GM still has the power steering fluid for the Corvette. You can get it at your local GM dealer.
http://paceperformance.com/index.asp...&ProdID=189832
You have to watch out for that Amsoil. I've read about them putting up a fake API symbol on some of their bottles.
http://paceperformance.com/index.asp...&ProdID=189832
You have to watch out for that Amsoil. I've read about them putting up a fake API symbol on some of their bottles.
06-25-2010, 07:01 PM
#9
Burning Brakes
P/s
06-25-2010, 07:24 PM
#10
Team Owner
I also use Red Line in my 87. Track days can heat up fluid if you don't have a cooler and that can eventually hurt the pump.
The pump on my car is the original and it started to howl some after a track day. I had to replaced the rack and I used Red Line synthetic for refiling the system. The pump is now quiet and there is no real indication of aeration of the fluid as there had been.
Summit Racing and JEG's carry it at reasonable prices.
The pump on my car is the original and it started to howl some after a track day. I had to replaced the rack and I used Red Line synthetic for refiling the system. The pump is now quiet and there is no real indication of aeration of the fluid as there had been.
Summit Racing and JEG's carry it at reasonable prices.
06-26-2010, 12:04 AM
#11
Race Director
Son of a buck. Redid my steering pump recently and bought a quart of regular old O'Reilly's power steering fluid. But, I haven't dumped it in yet.
Do I need to go with different stuff...like the GM?
Do I need to go with different stuff...like the GM?
06-26-2010, 01:16 AM
#12
Safety Car
Wow Dennis, I never imagined there would be a specific PS oil for the vette. I too have put regular PS oil in mine. Is the spec yer talking about a synthetic oil?
06-26-2010, 01:50 AM
#13
Race Director
A partially synthetic power steering fluid with exceptional low-temperature properties and increased oxidation stability.
This product is reccomended for extreme cold climate conditions with temperatures below -20 F. Excellent low temperature fluidity.
- Minimizes pump squeel
- Inhibits corrosion
- Non foaming
- Improves power steerin responce in cold weather
- Required for Corvettes 1985 and up
Mostly sounds like a cold-weather solution that would be particularly effective/necessary with the vette's big-azz front tires. If in warm weather, I wonder if this really does anything over the aftermarket over-the-counter stuff.
06-26-2010, 09:50 AM
#14
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I changed over to Valvoline High Millage PS fluid about 4 years ago and it has worked great. I was more concerned about age of the seals rather than miles. I also now use Valvoline High Millage 5w-30 synthetic blend oil for the same reason.
06-26-2010, 10:02 AM
#15
Safety Car
Per the Pace link provided in JoshWilson's post above....
A partially synthetic power steering fluid with exceptional low-temperature properties and increased oxidation stability.
This product is reccomended for extreme cold climate conditions with temperatures below -20 F. Excellent low temperature fluidity.
Mostly sounds like a cold-weather solution that would be particularly effective/necessary with the vette's big-azz front tires. If in warm weather, I wonder if this really does anything over the aftermarket over-the-counter stuff.
A partially synthetic power steering fluid with exceptional low-temperature properties and increased oxidation stability.
This product is reccomended for extreme cold climate conditions with temperatures below -20 F. Excellent low temperature fluidity.
- Minimizes pump squeel
- Inhibits corrosion
- Non foaming
- Improves power steerin responce in cold weather
- Required for Corvettes 1985 and up
Mostly sounds like a cold-weather solution that would be particularly effective/necessary with the vette's big-azz front tires. If in warm weather, I wonder if this really does anything over the aftermarket over-the-counter stuff.
aaahhhh........climate change brings cooler weather to the deep south. Since its in the mid 90's today, that would be a good thing. 
06-26-2010, 10:21 AM
#16
Race Director
No you don't need anything special. It's a simple pump! There are guys that just use ATF forever and that even works fine. I switched mine to Redline synthetic because of track use. If you'd like more advice give Turn One a call.
06-26-2010, 11:18 AM
#18
Slingshot
If you switch over to Redline or some other synthetic steering fluid, do you have to completely flush out the old fluid? If so, what is the best way to do this without removing all the hoses to assure that the old fluid is gone (or does it even matter) ?
06-26-2010, 11:28 AM
#19
Take loose at least one fitting on the rack, let it drain for a while. Reattach fitting, find the low pressure hose that goes to the reservoir, this will go into a catch pan using a long hose, cap the reservoir nipple, fill w/ new fluid. Have some one start it up briefly while adding new fluid. Thats the best way to do it w/ out a fancy flushing machine. Just be quick when adding fluid b/c it flows fast.
06-26-2010, 11:34 AM
#20
Slingshot
Take loose at least one fitting on the rack, let it drain for a while. Reattach fitting, find the low pressure hose that goes to the reservoir, this will go into a catch pan using a long hose, cap the reservoir nipple, fill w/ new fluid. Have some one start it up briefly while adding new fluid. Thats the best way to do it w/ out a fancy flushing machine. Just be quick when adding fluid b/c it flows fast.
