The parking brake does not hold the truck. Right from the day I drove it off the dealer lot it was weak. On steep hills it was questionable when pointing up the hill and would not hold pointing down. Had dealer look at it and dealer said it was fine. Since then (multiple times) it has gotten to the point that it is completely ineffectual. After adjustment it will hold on a slight hill but not a steep hill and never when in gear. At 32000 miles would not hold at all even after adjustment. So new parking brake shoes etc and it won't hold. Mechanic adjusted the brakes the most possible (so it won't drag and overheat) and does not hold. Note that pedal has been adjusted so that the parking brake pedal does not hit the floor. Only goes about 1/2 way down which is correct. I see this problem reported all over the internet but only one complaint in the NHTSA data base?

- Austin, TX, USA

I own a 2007 Toyota Tundra crewmax SR5 with the 5.7L V8. I have found that when Y applying the parking brake there was not enough force to hold the truck in place on its own when on a hill. I first noticed this when I applied the parking brake with the truck in drive, but not applying any pressure to the gas pedal, and the truck began to drive forward with very little resistance. I took the truck to the dealership, and they informed me that this was how the engineers designed it. They did agree to tighten it down further at my request, and when they tried to show me that it was fixed, it again began to drive forward and the only way to stop it was to apply the normal brake. I was then again told that it was only for assistance, and that I should not expect the parking brake to hold the truck in place on its own. I asked how it could assist when it couldn't even handle it on its own, and was then informed that the truck has 381 hp and that's a lot of hp for the truck to stop, and when I said that it didn't have 381 hp at 600 rpms I was laughed at and told again that it wa sonly for assistance.

- Orangevale, CA, USA