How to correctly park your bus, 5.9L cummins alison transmission

[-cycosis-]

I have a 2000 Bluebird TC2000 and there is no P (parking) on the shifter!

Do you just engage the parking break lever or is there another step I am missing?

[somewhereinusa]

Do you have air brakes. You have a parking brake lever? Anyway, you are correct, shift to neutral and engage parking brake.

[cadillackid]

heck yeah and its fun too!! nothing says "I have arrived!!" like that SHHHHHH!!!! sound of hitting the air parking brakes!! its BadAss!

shift to N and pull the park brake handle.(good idea to let your bus idle a couple minutes if you have just run it on the highway..) before you shut it down..

-Christopher

[-cycosis-]

I do not have air brakes....

One thing Ive noticed is if the ignition is turned off and then I depress the brake peddle, there seem to be some type of mechanism that is driving the brakes clamped. makes a loud "rrrrrrrrrrrrrrr" noise, What is that?

[Brad_SwiftFur]

It is an electric hydraulic brake booster. Otherwise the brakes would require more pedal effort than most folks could provide.

[jazty]

It's was probably very much on purpose that there is no 'P' position on the shift lever. North Americans tend to abuse the transmission by using it as a parking brake. I could see a bus company ordering the shifter like that (or Allison building it like that) to keep drivers from relying on the transmission parking pawls (though it is a good backup).

Ever hear of someone unable to shift out of park because they parked on a hill and only used the transmission? Or ever hear that awful clunk when people force it out?