01 scab NO GEARS!!!
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Senior User
Joined: Apr 2004
Posts: 165
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From: PA
01 scab NO GEARS!!!
I was on my way to work and tranny started slipping like it was in neutral. OT OH! I shifted different gears while I was moving - D 2 1. I took it out of OD and it seemed to like 2nd. It would not shift up or down after that. I pulled into a parking space at work. Put it in Park. Tried all gears and nothing happens. Engine speeds up like it is going to go in gear but nothing. I will check the fluid in a few minutes but might have to have wife come pick me up. 01 F150 5.4 4R70W trans. 39k miles. Any clue what's up?
Logistics Pro
Joined: Jul 2002
Posts: 4,821
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From: South Dakota
IMO, sounds like one of 2 things.
1. massive loss of fluid from a bad line or something.
2. the tranny pump went out.
Either case it's not good.
Before you decide to have it towed, check out the local tranny shops, find a reputable one, and then ask them if they will tow the truck.
Most tranny shops will tow for free if you let them do the work, which could save you some money on the tow bill.
1. massive loss of fluid from a bad line or something.
2. the tranny pump went out.
Either case it's not good.
Before you decide to have it towed, check out the local tranny shops, find a reputable one, and then ask them if they will tow the truck.
Most tranny shops will tow for free if you let them do the work, which could save you some money on the tow bill.
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Senior User
Joined: Apr 2004
Posts: 165
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From: PA
I made it home ok. No reverse at all. It will stay in first until 20 then shift to second. Then go to third around 30. If I have it in OD, it will act like it goes to neutral at 50. It is not downshifting if I accelerate hard. Could it be a switch? Fluid is ok and no leaks.
Hotshot
Joined: Aug 2002
Posts: 12,679
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From: BC, Canada
It sounds like an internal mechanical problem 
There is nothing electronic that can prevent it from going into reverse.
With all I hear about transmission shops I'd be inclined to have it checked at your dealer if you have a good dealer there. Your dealer has the tools to diagnose it properly and should have trained transmission techs.
There is nothing electronic that can prevent it from going into reverse.
With all I hear about transmission shops I'd be inclined to have it checked at your dealer if you have a good dealer there. Your dealer has the tools to diagnose it properly and should have trained transmission techs.
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Senior User
Joined: Apr 2004
Posts: 165
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From: PA
Just a hunch, I tried a new transmission range sensor (TRS) but that wasn't it. The dealer said it would be anywhere from $70-$140 for them to diag it. I've never cracked open an auto trans so I'm sure it's over my head. I'll go as far as having the dealer determine it is a bad tranny and then I could buy a rebuilt one and swap it myself. I'll let you know the results. Thanks for your help.
