pickup rolls while in park
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Joined: Jul 2007
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pickup rolls while in park
My 16 year old son and I are restoring a 1968 F100. Someone already swapped engines in it, putting in a 302. It currently does not run, but we hope to have it running soon. We have discovered that when it is in park, the vehicle will still roll. Does this sound like a linkage issue? I am not sure if this is the original tranny or the one that came with the '79 302.
Thanks. Ken
Thanks. Ken
Last edited by IB Tim; Jul 5, 2007 at 09:33 AM.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
Look at the bottom of the steering column under the hood...this is where the rod from the transmission attaches. If everything is correctly hooked up, you prolly have a broken parking pawl inside the transmission. They can and do break = here's how. Someone while parked on an incline puts the gearshift in Park, before engaging the parking brake. The vehicle will roll slightly, snapping off the pawl, or the pawl will snap when you try and get the lever out of Park.
Another cause: Worn shift linkage bushings will allow too much play in the transmission rods, so the rod might not be engaging park, even tho the lever is in park.
Another cause: Worn shift linkage bushings will allow too much play in the transmission rods, so the rod might not be engaging park, even tho the lever is in park.
Last edited by NumberDummy; Jul 5, 2007 at 07:36 AM.
Fleet Mechanic
Joined: Dec 2006
Posts: 1,338
Likes: 6
From: UPSTATE NY
yeah i always engage the parking brake first. but one time when i got back in and started it back up i forgot to toss it in nuetral first and then release the parking brake, and it rolled forward hardcore and pushed that pawl to its limits, didnt snap though
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