A-U-D-I 23

what fluid should i put into the system

krolls

But apparently there is a big difference between the synthetic and the real mineral oil and you DONT want to mix them.

Bmthorn

Pentosin 11s

A-U-D-I 23

iam guessing i can get that at local car part store right?

A6Gary

Local import parts store, not a Schucks, Auto Zone, Pep Boys, etc. On-line suppliers also carry it.

krolls

had to call my uncle up (who speaks german, and drives VW) to verify it was correct.

beep-beep

Anything but the PEntosin 11S will damage power rack and this part is really expencive to fix.

IDUA ORTTAUQ 6A

Don't listen to the above, The power steering reservoir clearly states (MINERAL OIL ONLY)as is Pentosin CHF 7.1, the mineral oil you should use.

If you use Pentosin 11, which is a synthetic based power steering fluid, intended for newer model AUDI, 1998 up, you WILL compromise the (sensitive to power steering fluid type), AUDI power steering system. (It has to do with viscosity)

I got this info from a certified Audi tech.

LGSalmon

They are compatible according to this Audi Service Bulletin:

Nov: 89 Bulletin # 48-89-T07 Hydraulic System Fluid New Type Hydraulic Fluid has been improved as of MY 1990 NEW: Hydraulic Fluid: Part number is Unchanged (G 002 000) This Fluid is more temperature resistant Color: Olive


OLD: Hydraulic Fluid P/N G 002 000 Color: Green


The new hydraulic fluid can be identified by the "red" cap on the container.

NOTE: New and Old fluid can be mixed if necessary

rmccomiskie

<a href="http://www.blauparts.com/audi/audi_fluid/audi_hydraulic_fluid.shtml#mixaudipowersteeringflu id">As stated on this page</a>
Can You Mix CHF 7.1 Non-Synthetic Mineral Base Hydraulic Fluid With CHF 11S Synthetic Mineral Base Audi Hydraulic Fluid?

There has been a good measure of controversy over this question. Here is what our own experience shows. Over the last decade we've had no compatibility problems mixing the CHF 7.1 non-synthetic mineral base fluid and the CHF 11S synthetic based Audi hydraulic fluid. No problems with our own vehicles and no problems with our customers vehicles. Our success in mixing the 2 Audi hydraulic fluids coincides with the Audi tech bulletin 48-89-T07 issued in November 1989. It states "The new [synthetic Pentosin 11S] and old hydraulic fluid [non-synthetic Pentosin 7.1] can be mixed if necessary ... the part number [remains] unchanged." So according to Audi, you can mix the 2 Audi hydraulic fluids. Even though the composition of the fluid changed (CHF 11S synthetic mineral oil vs CHF 7.1 non-synthetic mineral oil), Audi didn't even change the part number. All 1990 - on Audi models have come filled from the factory with the synthetic CHF 11S Audi hydraulic fluid (G002000). Please Note: Never mix generic hydraulic fluid or other fluid with the CHF 7.1 or CHF 11S Audi hydraulic fluid (G002000). If you or someone else did, flush the Audi hydraulic fluid as described below.