Rolling Backwards
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Senior User
Joined: May 2007
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From: Everett, WA
Rolling Backwards
Alright, my truck ain't runnin at the moment so we've had to push it in and outta the driveway, but anyway, every now and then we'll push it forward into the driveway and I'll put it in park, put the parking brake on, and as soon as I take my foot off the brake pedal it starts rolling backwards...could it be a combination of a bad parking brake and a slipping transmission? or wut else?
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Joined: Sep 2004
Posts: 3,166
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From: wi
your park brake might not be engaging fully or not adjusted -up enuff.when you put it in park it shouldnt move more than an inch or 2. so id look at the drive shaft when it wants to roll and see if its turning also.if it is then check to make shure your linkage is ajusted rite.if the d-shaft doesnt turn then theres issues with the rear axle
Ford Parts Specialist
Joined: Nov 2006
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From: Simi Valley, CA
Originally Posted by sleep_deprived129
Alright, my truck ain't runnin at the moment so we've had to push it in and outta the driveway, but anyway, every now and then we'll push it forward into the driveway and I'll put it in park, put the parking brake on, and as soon as I take my foot off the brake pedal it starts rolling backwards...could it be a combination of a bad parking brake and a slipping transmission? or wut else?
Detent (also called a shift gate) on upper flange is worn. This is where the end of the shift lever fits. If worn, this causes the shift lever to not properly stay in place. The shift lever might be in the park position, but with a worn detent, there's nothing left to hold it there.
Broken parking pawl in transmission.
If the vehicle is in park and rolls, what does that have to do with the parking brake? Whatever is causing the truck to roll when in park, is in the steering column (a worn detent) or is transmission related.
Last edited by NumberDummy; Jul 10, 2007 at 05:57 AM.
Thread Starter
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Senior User
Joined: May 2007
Posts: 218
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From: Everett, WA
thanks for the info everyone, I'll take a lokk at all these things when I get back home to where the truck is
btw...it has to do with the parking brake because theoretically shouldn't that stop the truck?
btw...it has to do with the parking brake because theoretically shouldn't that stop the truck?
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
Originally Posted by sleep_deprived129
btw...it has to do with the parking brake because theoretically shouldn't that stop the truck?
Thread Starter
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Senior User
Joined: May 2007
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From: Everett, WA
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Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 783
From: Simi Valley, CA
Originally Posted by sleep_deprived129
well I know that, but does this mean I also have a problem in my parking brake too?
The adjustment for the park brake is underneath the cab. This is where the front park brake cable meets the two rear cables. There is an equalizer arm with an adjustable rod and nut.
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