What's your ATF color?

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astroboy

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Pardon me the title. It should read "What's your Power Steering fluid color?"Red, Brown, Green?Those with active steering, you will be using the Pentosin CHF 11s
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Those without active steering like my 320i, what do you use? Mine is now brownish in color and I plan to replace it but dunno what fluid to use. The cap does mention "ATF" but what ATF to be precised? My ATF is ZF Lifeguard 6 which is brownish while the generic ATF would be the Dextron III or the now Dextron VI.Please share your experience.Thanks.AB
 
Thanks for the confirmation.. i guess mine is brown Lifeguard 6 too. so mine is not that dirty.. :4:

The manage to find the following but yet it doesn't say what fluid type..

http://zf-steering.us/manual_files/Flushing Power Steering System.pdf

WWW.zf-group.com Telephone: 1 800 660-9631

e-mail: steeringinfo@zf.com Address: 777 Hickory Hills Drive, Vernon Hills Il 60061

PPINS250 Rev 00 05/12/03

A steering system is an important safety component in a vehicle and must be properly maintained. With this in mind, a steering system must be flushed EVERY TIME a component of the system gets replaced, no matter if the components are new or remanufactured.

ZF Recommended Steering Systems Flushing Procedure

Equipment Needed:
- Safety Glasses
- Empty Bottle for contaminated oil
- Screwdriver
- Manufacturers’ Recommended Power Steering Fluid

1- Clean the outside of the oil reservoir and the surrounding area to ensure no dirt or foreign particles get into the oil reservoir.

2- With a screwdriver, loosen the clamp holding the return line connection between the steering gear and the oil reservoir. Disconnect the oil line from the oil reservoir.

3- Insert the end of the return line into an empty bottle and cap the oil reservoir return connection with a plug.

4- While wearing safety glasses, start the engine and fill the oil reservoir with fresh power steering fluid while turning the steering from side to side to purge all oil out of the system. (Use recommended fresh fluid to flush the system.)

5- Turn off the engine and remove oil reservoir from bracket. Flush out debris or particles from reservoir into container. Check oil contamination for metal or foreign particles by filtering the contaminated oil with a coffee filter.

- Fine metal shaving means a normal wear and tear of the power steering pump.
- If metal chips are present, replace power steering pump.
- If black rubber particles are present, the pressure/return line inner lining is disintegrated. Replace the pressure/return line.

6- Check the oil reservoir condition for cracks. If the oil reservoir is cracked, replace the oil reservoir. If reservoir has no cracks, just replace the oil filter. If filter is integrated inside the oil reservoir and cannot be removed for oil filter change, replace entire reservoir.

7- Check the condition of the pressure/return oil line for cracks, soft or sweat spots. If any of these conditions exist, replace lines.

8- Check all banjo bolt connections for blockage. If blocked, clear connections by appropriate method (air hose, fluid, etc.)

9- Reconnect oil reservoir into bracket.

10- Connect return line to oil reservoir.

11- Top off oil reservoir with manufacturers’ recommended fluid.

12- Start engine and turn steering from lock to lock to purge air out of the system.


Caution: Do not hold steering gear from lock to lock for more than 30 second. This could cause the steering system to overheat.

12- Check for oil leakage and top off power steering fluid to recommended level.

The smallest particle can cause the system to leak or even fail. A clean system is a REQUIREMENT for acceptable service life.
 
Brown colour is already dirty. Open up bottle of ZF Lifeguard 6 and see for yourself the original colour. I used 2 bottle of ZF Lifeguard 6 to flush the power steering system and highy recommended to also replace the reservior + filter.
 
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