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I have a 1985 ford f-150 that has a 351w, c6 tranny, 9" rear end with 4.11 gears. I was driving down the road and it was like you threw the tranny into neutral, i checked the fluid and the linkage, and the transfer case and no problem there. so i was wondering if there is a valve or something causing this, or if this has happened to annyone else before. anny feedback would be great, thanks
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Joined: Jan 2001
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From: Virginia
Pull the tranny dipstick and look at the fluid. It should be pink(new fluid), or dark red(older fluid). If it's a light brown and stinks like it's burnt, you should pull the pan and change the fluid and the filter.
After you pull the pan, see how much junk is in the bottom of the pan. A fine metal dust in the bottom of the pan is normal. Large chunks are not normal, and you may need a rebuild.
After you pull the pan, see how much junk is in the bottom of the pan. A fine metal dust in the bottom of the pan is normal. Large chunks are not normal, and you may need a rebuild.
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Joined: Dec 2009
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From: Orange County, Va
If its a Automatic then Check the Linkage cabel could have loosened i had the same problem with my c6. got stuck in 1st gear. Hope it helps!
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Freshman User
Joined: Dec 2009
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From: Orange County, Va
If its a Automatic then Check the Linkage cable could have loosened i had the same problem with my c6. got stuck in 1st gear. Hope it helps!
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i did that also, but thanks for the help
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Joined: Nov 2007
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From: Denver Metro Area, CO
Put the rear end up on jack stands, have somebody "drive" it, crawl under there and see
what you can see while they do that. Although it's unlikely given your description, there's
always the possibility of the rear end having a problem.
what you can see while they do that. Although it's unlikely given your description, there's
always the possibility of the rear end having a problem.
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Joined: Apr 2004
Posts: 92
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From: west michigan
My first thought was 'broken axle'
When my axle broke, it was just like the truck went into neutral.