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Unread 04-03-2014, 08:00 AM   #1
ColdCase
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Brake Pedal Click

Tried search and didn't find anything, but our 2009 seems to have developed a click every time the brake pedal is pressed as if there is something loose up under the dash. Before I try to get into that tight space I thought I'd check here to see if anyone had this and perhaps what to look for. Seems to be coming from under the dash.

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Unread 04-03-2014, 11:18 AM   #2
mrbeal
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Shift interlock... or whatever Jeep calls it. There is a click (switch) that allows you to put the transmission in gear. If you don't hit the brakes you can't move from park.
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Unread 04-03-2014, 11:55 AM   #3
ColdCase
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Thanks, didn't think of that. Would you think the Brake Transmission Shift Interlock also be clicking when driving down the highway and applying the brake? The service manual is not too clear on this.
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Unread 04-03-2014, 12:38 PM   #4
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No not the brake/transmission interlock thing, I can hear that in the console when in park. The sound may actually be coming from the booster but I need to wait for another pair of ears to be sure.

The click happens when driving as well as standing sill in neutral or D. Engine off or on. Brakes work fine otherwise.
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Unread 04-04-2014, 01:50 AM   #5
josworth
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It really sounds like one of the switches if everything feels and performs OK. I have not really heard of a booster issue causing a "click".

I would get some light grease and poke around under there. Check any switch connected to the brake pedal. Put a little grease on the linkage and any switch plunger and see if it quiets down.
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Unread 04-04-2014, 09:39 AM   #6
TomV1
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Quote:
Originally Posted by ColdCase View Post
No not the brake/transmission interlock thing, I can hear that in the console when in park. The sound may actually be coming from the booster but I need to wait for another pair of ears to be sure.

The click happens when driving as well as standing sill in neutral or D. Engine off or on. Brakes work fine otherwise.
I had the same issue with a Ford Taurus. I always thought it was a sticky brake caliper. I replaced the booster because the plunger was squeaking when depressing the pedal and the click magically disappeared.

When replacing the booster you see a small pin that presses against the master cylinder when depressing the brake pedal. I think that is where the clicking was coming from. I think it is adjustable (it was for the Taurus). A slight increase in the pin's length may stop the clicking. You should read up on that to see how the Jeep's booster is replaced and if such an adjustment is available.
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Unread 04-06-2014, 12:32 PM   #7
ColdCase
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It just stopped clicking on its own...... I don't see anything obvious.
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