Brake lever jumps out of high gear

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Model T Ford Forum: Forum 2016: Brake lever jumps out of high gear
Top of pagePrevious messageNext messageBottom of page Link to this message  By Rfbuff on Sunday, June 19, 2016 - 08:48 am:

Question, after coming to a stop at a light and starting off again when going from low to high speed the brake/ high speed lever will jump back a little putting car between speeds. Where and what do I adjust, thanks.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Mark Strange - Hillsboro, MO on Sunday, June 19, 2016 - 09:58 am:

If the parking brake rods are adjusted too long, they can push on the lever, forcing it rearward and partially disengaging high gear.

With the car on its wheels and chocked, disconnect the brake rods at the front where they attach to the lever, then put the lever fully forward and block it forward with a piece of wood in the floorboard slot.

Next, pull each brake rod forward and back to get a feel for where the fully relaxed position is (the emergency brake cam in the wheel is horizontal). If you can't find the relaxed position by feel, a sure way to find it is to pull the wheel and look at the brake cam position.

Then, adjust the clevises on the brake levers so that the holes line up with the arms of the brake lever arms when the parking brake cam in the wheel is in its fully relaxed position.

This method of adjustment is different than the one in the Ford manual, but it ensures that the brake rods don't push on the parking brake lever when the lever is fully forward.

I have not had this condition, but some have reported that their floorboard slot was too short, preventing the brake lever from moving forward enough for full engagement of the high clutch.

Good luck! :-)


Top of pagePrevious messageNext messageBottom of page Link to this message  By Norman T. Kling on Sunday, June 19, 2016 - 10:05 am:

I agree with Mark.
Norm


Top of pagePrevious messageNext messageBottom of page Link to this message  By Royce in Dallas TX on Sunday, June 19, 2016 - 10:09 am:

Mark has it right. I have had to cut off the brake rods and use a die to thread them a bit more to allow more adjustment to fix this problem.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Mark Strange - Hillsboro, MO on Sunday, June 19, 2016 - 10:11 am:

One other thing - after you adjust the length of the parking brake rods, test the operation of the brake lever and parking brakes to make sure that you can fully engage the parking brakes when the lever is pulled back! :-)


Top of pagePrevious messageNext messageBottom of page Link to this message  By bob middleton on Sunday, June 19, 2016 - 09:31 pm:

Sound like the driver using the hand brake to find neutral
This wears out the paw and or rack
Replace the paw and or the rack


Top of pagePrevious messageNext messageBottom of page Link to this message  By Mark Gregush Portland Oregon on Sunday, June 19, 2016 - 10:47 pm:

The lever would have to jump back quite a ways to put in neutral all most all the way to vertical. The parking brakes should be adjusted one side at a time with the wheels off the ground. Do one side then disconnect the rod from that side and do the other. With the lever straight up and down it should be in neutral no brakes applied. Adjust the rods so 4 to 5 click back from there fully locks up the parking brakes.
Use the low pedal to hold the car in neutral when in normal driving situations. Save the use of using the lever when backing up, starting the car or driving for long distances in low like parades.


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