BrianP Posted December 19, 2013 Share Posted December 19, 2013 Hi all, I have a 2007 ES 350. In the past couple of weeks, I've had a problem where the brake pedal is very hard to depress when starting the car. It only happens when the car has been sitting for several hours and once the car is started, it is OK. I've brought it to the dealership and they can't find anything wrong. Has anyone ever heard of this? Thanks. Brian Quote Link to comment Share on other sites More sharing options...
bearone Posted December 20, 2013 Share Posted December 20, 2013 Sounds like it could be a vaccum leak. Quote Link to comment Share on other sites More sharing options...
BrianP Posted January 13, 2014 Author Share Posted January 13, 2014 Thanks. Lexus changed the vacuum assembly, and it seemed to be better, but still had the problem occasionally. Today they changed the vacuum booster. Hopefully that does it ... (and thankfully it was covered by the extended warranty!). Brian Quote Link to comment Share on other sites More sharing options...
KBRX330 Posted February 18, 2014 Share Posted February 18, 2014 All of my Toyotas do it. Normal. Quote Link to comment Share on other sites More sharing options...
staj14 Posted May 30, 2014 Share Posted May 30, 2014 My 2007 es 350 had the exact same issue. Stiff brake pedal. Most times it would start however it began to worsen and take 3 or 4 times before it would turn over. I just purchased a 2014 es 350 and after a week of driving it I have the experienced this again. On the tenth day of driving it wouldn't start! Its back in the dealership for a week now and they haven't duplicated the problem. By the way, they finally replaced the brake booster in my 2007. If anyone else has information, I would appreciate it. I am not happy to be dealing with this again Quote Link to comment Share on other sites More sharing options...
KBRX330 Posted May 30, 2014 Share Posted May 30, 2014 Try this: Don't depress the pedal very far just rest your foot on it until the light on the igniion button turns green. Then push the button. You might also try replacing the battery in your key fob. Quote Link to comment Share on other sites More sharing options...
BrianP Posted May 30, 2014 Author Share Posted May 30, 2014 They first replaced my vaccuum assembly (didn't work) and then replaced the booster and that did it. I haven't had the problem since. FWIW, one thing that they did mention is that if you depress the brake pedal when the car is off and don't start it, you may have this problem the next time you start it. I doubt you're doing that, but I mention it just in case. Quote Link to comment Share on other sites More sharing options...
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