testing fluids - Mercedes-Benz Forum

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post #1 of 3 (permalink) Old 04-10-2010, 03:47 PM Thread Starter
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testing fluids

How do I test transmission, brake and steering fluids? The transmission is my main concern.
I bought the car not too long ago and don't know its history...if I were employed, I would just change the fluids and not ask so please no suggestions in that direction.

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post #2 of 3 (permalink) Old 04-10-2010, 03:57 PM
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Some companies make test strips for that purpose (BG comes to mind) but you'll probably have a buy more than you need. A reasonable analysis is to smell them and look at the color. If any are dark and/or smell burned replace them.

For about $20 + shipping each you can send them to Blackstone in Indiana for chemical analysis. I'm not sure about brake and steering fluids, but I sent my ATF to them, and also send motor oil every so often.

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post #3 of 3 (permalink) Old 04-12-2010, 07:55 AM
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Blackstone used to do the first one for free to get you hooked. That would take care of one of your fluids. It is very hard to tell what condition a fluid is by just looking at it. Brake fluid needs to be at least every two years, so that's one that is probably needed. Power steering can probably wait, but it will only cost you about ten bucks to do it, so if it makes you feel better, knock that one out.

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