No visible leaks. -D
> On Jun 28, 2020, at 6:04 PM, Kaleb Striplin via Mercedes > <mercedes@okiebenz.com> wrote: > > I guess it could be low if the caliper is leaking and not building enough > pressure. I guess maybe the pump sends pressure individually rather than an > all or nothing situation. > > On 6/28/2020 4:53 PM, Dan Penoff via Mercedes wrote: >> The error was specifically low pressure to that wheel and it gave me the >> option to disable SBC. I’m not sure how you would have low pressure to a >> caliper and the caliper be at fault - the SBC system went through all of the >> diagnostics and flagged the system as being bad. Max pressure on the left >> front was 64 bar, and the minimum was 69 bar, so it failed the pump. >> >> He’s still got brakes, but he said the left front definitely feels weird if >> he gets on the brakes. Even if the caliper was stuck the pressure should >> still be at or above spec, correct? >> >> This is my first run in with SBC, so I’m not that familiar with it as far as >> failure mode. >> >> -D >> >> >> >>> On Jun 28, 2020, at 5:47 PM, Kaleb Striplin via Mercedes >>> <mercedes@okiebenz.com> wrote: >>> >>> That almost sounds like a caliper issue to me, I am not sure if that is >>> covered under the SBC warranty or not. >>> >>> On 6/28/2020 3:22 PM, Dan Penoff via Mercedes wrote: >>>> Worked on the oldest boy’s E320 CDI today. He said the left front brake >>>> has been making noise, but it works and the pads aren’t worn down. Hmm. >>>> >>>> Put the car on the DAS and ran a full set of diagnostics. A few bangs, >>>> some we expected, like EGR which is disabled, but a couple for the SBC. >>>> Ran the SBC diagnostics and sure enough, left front pressure is below >>>> spec. Explained the 25 year warranty to son, had him do a screen grab of >>>> the DAS errors, and wrapped things up. He’s calling the stealership >>>> tomorrow to get the car in for the SBC to be replaced under warranty. >>>> >>>> He decided after many months of it sitting on the shelf to install the >>>> glow plug controller to replace the one on the car that has failed. It’s >>>> bolted to the bottom of the intake manifold and has to be removed from >>>> below. He wasn’t able to get to the fasteners on the old one, so he >>>> unplugged it, plugged in the new one and zip tied it to some components in >>>> the general vicinity. Not ideal and certainly not what I would have done, >>>> but you know, he’s a grown ass man so he can make his own decisions and >>>> suffer the consequences, if any. >>>> >>>> So he fires the car up and it’s running much better. I would add that I >>>> also replaced some really sketchy wiring on one of the injectors that >>>> looked like it was the old self-destructing stuff. But - he get an alarm >>>> in the dash saying that the battery is low and the battery monitor is >>>> cutting off power to “convenience systems”. Whatever. It sort of freaked >>>> me out a little, so we threw it back on the DAS to run another set of >>>> diagnostics while we went inside and cooled off a bit (nearly 100F heat >>>> index here today.) >>>> >>>> While inside, I did some research on this battery nanny to find that there >>>> are two levels of alert based on how low the battery voltage gets. I >>>> immediately figured it fired off because we had the car sitting on the DAS >>>> with no charger on it for a good 45 minutes, after which he fires it up >>>> with full glow plugs with the new controller, I’m sure. Dogged the battery >>>> down considerably, I’m sure. >>>> >>>> So we look at the results of the diagnostics and find a bang in it about >>>> low battery voltage. I’m sure that’s it. >>>> >>>> He takes the car for a short spin and gets it again. Grrr. >>>> >>>> I told him to take the car out for a decent drive. He does. Comes back, >>>> battery nanny has retreated and no more alarms. >>>> >>>> The W211s are nice cars, but sometimes they make a W123 look attractive. >>>> >>>> -D >>>> _______________________________________ >>>> http://www.okiebenz.com >>>> >>>> To search list archives http://www.okiebenz.com/archive/ >>>> >>>> To Unsubscribe or change delivery options go to: >>>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >>>> >>> _______________________________________ >>> http://www.okiebenz.com >>> >>> To search list archives http://www.okiebenz.com/archive/ >>> >>> To Unsubscribe or change delivery options go to: >>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >>> >> >> _______________________________________ >> http://www.okiebenz.com >> >> To search list archives http://www.okiebenz.com/archive/ >> >> To Unsubscribe or change delivery options go to: >> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >> > > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
