Right car is a 2007 2.0 tdi. It's dad's car and he called me up to say that the rear drivers caliper was stuck on. Smoke was bellowing from it when he got home. He said that the auto release did not work so he kept driving so no surprises why it was smoking. It was only smoking on one caliper though. I plugged in the video and no fault codes present so I did a function test and both calipers rewound wound back in and worked as they should. Took the caliper off just to check the caliper pins were not siezed.

Few days pass and the fault reoccured when he was trying to reverse out a spot. The brake eventually released and he drove on. He reports an intermittent grinding noise along with smoke suggesting sticking caliper.

I did a Vcds scan and there were errors on the abs and epb. Notably was rear right caliper error. I cleared all of the errors and went for a drive and I can't get it to replicate the error. If you release manually it works fine and even tried the auto release but this is fine to.

I know the signs point to a sticking caliper but I want to be sure first. Especially as it does not stick all the time. Additionally he did not try a manual release when it does not auto release. Is there any other issues that could cause this problem? Some posts suggest the switch can be faulty. Is there a way to test this with vcds? Are there any lateral sensors that need adaption or the clutch pedal?

Thanks Mike


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