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Power Steering Fluid - Porsche or Other?

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Old 01-08-2017 | 07:35 PM
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Default Power Steering Fluid - Porsche or Other?

I need to top off the power steering fluid.

What's the consensus here, Porsche brand or anything from the local auto parts store?

If Porsche, do I have to get it from a dealer or is available from any other source?

Thanks.
Old 01-08-2017 | 08:00 PM
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Just get the Pentosin CHF11s from any auto parts store and you're good to go.

Last edited by Ahsai; 01-08-2017 at 08:17 PM.
Old 01-08-2017 | 09:47 PM
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Originally Posted by Ahsai
Just get the Pentosin CHF11s from any auto parts store and you're good to go.
202 is also acceptable and mixable if they dont have 11s.

http://pentosin.net/pressreleases/Pe...luid_Guide.pdf

Last edited by EMBPilot; 01-08-2017 at 10:51 PM.
Old 01-08-2017 | 10:50 PM
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LN say Redline is acceptable - check their website.Much easier to find & cheaper.
Old 01-08-2017 | 11:38 PM
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I use Pentosin CHF 11s ... like a lot of other stuff (e.g. Motul oil and Wix filters), I get it from Amazon.
Old 01-09-2017 | 12:56 AM
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You're right. I totally forgot about that.

Originally Posted by EMBPilot
202 is also acceptable and mixable if they dont have 11s.

http://pentosin.net/pressreleases/Pe...luid_Guide.pdf
Old 01-09-2017 | 12:43 PM
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I get mine from the local VW dealer.
Old 01-09-2017 | 01:21 PM
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Originally Posted by Spork
I need to top off the power steering fluid.

What's the consensus here, Porsche brand or anything from the local auto parts store?

If Porsche, do I have to get it from a dealer or is available from any other source?

Thanks.
Where is the fluid going? You need to check for a leak.

There is a failure mode that has a high pressure relief valve in a line fail and as a result the power steering system is over pressurized. This can force fluid past the rack seals. Early on there will likely will be no leak sign as the rack seal dust boots catch this fluid.

(I was at the dealer when a tech was working on a Boxster with this problem. He had the steering rack out of the car and on his bench and covered a boot with a shop rag and removed it. It came off with a "pop" and the rag caught the fluid.)

What usually happens is the power steering fluid level gets low to the point the pump gets noisy.

Usually by this time the damage is done and the pump, lines, and rack have to be replaced.

If you are having to top up the fluid you probably want to check for a leak and give the rack dust boots a grope. If they feel like cheap breast implants well, there you go.
Old 01-09-2017 | 01:45 PM
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Originally Posted by Macster
Where is the fluid going? You need to check for a leak.

There is a failure mode that has a high pressure relief valve in a line fail and as a result the power steering system is over pressurized. This can force fluid past the rack seals. Early on there will likely will be no leak sign as the rack seal dust boots catch this fluid.

(I was at the dealer when a tech was working on a Boxster with this problem. He had the steering rack out of the car and on his bench and covered a boot with a shop rag and removed it. It came off with a "pop" and the rag caught the fluid.)

What usually happens is the power steering fluid level gets low to the point the pump gets noisy.

Usually by this time the damage is done and the pump, lines, and rack have to be replaced.

If you are having to top up the fluid you probably want to check for a leak and give the rack dust boots a grope. If they feel like cheap breast implants well, there you go.
I was wondering that myself. Kind of unusual for the fluid to be that low without a leak but I didn't see any signs of a leak. I'll check the boots.

Thanks.
Old 01-09-2017 | 01:57 PM
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Macster, I'm not the OP but I groped anyway. Then I realized I did not know the difference between cheap breast implants and expensive ones. Can you help?
Old 01-09-2017 | 04:13 PM
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Originally Posted by Spork
I didn't see any signs of a leak. I'll check the boots.

Thanks.
Spoke my friend, if you're getting fluid in your boots, you don't need a mechanic, you need a good urologist.
Old 01-10-2017 | 02:20 PM
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Originally Posted by Macster
Where is the fluid going? You need to check for a leak.

There is a failure mode that has a high pressure relief valve in a line fail and as a result the power steering system is over pressurized. This can force fluid past the rack seals. Early on there will likely will be no leak sign as the rack seal dust boots catch this fluid.

(I was at the dealer when a tech was working on a Boxster with this problem. He had the steering rack out of the car and on his bench and covered a boot with a shop rag and removed it. It came off with a "pop" and the rag caught the fluid.)

What usually happens is the power steering fluid level gets low to the point the pump gets noisy.

Usually by this time the damage is done and the pump, lines, and rack have to be replaced.

If you are having to top up the fluid you probably want to check for a leak and give the rack dust boots a grope. If they feel like cheap breast implants well, there you go.
If this is the case, how do you fix this problem? Replace the relief valve?

Thanks.
Old 01-10-2017 | 02:21 PM
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Originally Posted by b3freak
Spoke my friend, if you're getting fluid in your boots, you don't need a mechanic, you need a good urologist.
Ha Ha! At my age, there are a lot of things I need!
Old 01-10-2017 | 03:54 PM
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Use a flash light and an inspection mirror to look very closely at the top of the engine right below the a/c compressor, fluid could form a puddle there.




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