How difficult is it to remove and replace the abs controller on a 98 ML 320? Mine is acting up with a sticky right front brake. Phil gave me a price quote of $525 for the unit. Is it the unit that sits under the windshield washer reservoir with the six brakes lines and an electrical connector going to it. It says ETS on the top of it...does that make sense?

So do I disconnect the electric connector, disconnect the brake lines and switch out the unit, reconnect everything and then bleed the brakes? That sounds pretty simple. Am I missing something? Thanks.

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99 E300 133K
98 ML320 99K
87 Saab 900 Turbo Conv 123K

Have you definately ruled out a bad front caliper? I had a 'hot wheel' once this summer and, fearing the worst, initially suspected the ABS system itself. However, by working the pads back and forth a few times by prying them away from the disk just a little, then pushing on the brake pedal, the problem was temporarily eliminated. Then, when it was convenient, I swapped out both front calipers.

If it turns out that you also need to change the rotors, be sure to get new seals for the brake line banjo fittings. It is difficult to reinstall the old seals in such a way that they don't leak. Can you hear Gilly saying "Duhhhh"?

I found the leak doing my customary 2/3 day check after any brake job.

Also, for your information, I purchased OEM calipers and learned that there is no 'castings rebate'.

I hope your problem is of a caliper nature -- it would be much cheaper than an ABS pump or controller.

The dealer already replaced the calipers, discs and pads under warranty. That did not solve the problem. The only thing left after getting advice from the techs here is the abs controller. It looks like an easy install but I want to make sure before I go tearing into it. Thanks....

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99 E300 133K
98 ML320 99K
87 Saab 900 Turbo Conv 123K