Cuts off when in gear

Tiny
GOGETTX4
  • MEMBER
  • 2001 FORD F-150
  • V8
  • 2WD
  • AUTOMATIC
  • 198,000 MILES
Hello, every time I put into gear drive or reverse it cuts of.F I got new air idle control valve same thing. So I dropped a pan of the transmission to see if there was any metal flaking everything was good. So I refilled transmission fluid and put new pan gasket. I am stuck do not know what else to do. Please somebody help me. Thank you. Some people say could be a locked up torque converter not sure though.
Thursday, March 8th, 2018 AT 12:50 AM

9 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,796 POSTS
Good morning.

Yes, a locked torque converter is a common issue and could be the problem.

Can you two foot the truck and get it to move or will it not allow you even move the truck?

Roy
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Thursday, March 8th, 2018 AT 3:45 AM
Tiny
GOGETTX4
  • MEMBER
  • 4 POSTS
No will not move at all. What are the next steps I should possibly be taking? Thank you for the help. Oh, one more thing. Can I try to scan it even though there is not a check engine light on to see if a code comes up?
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Thursday, March 8th, 2018 AT 12:53 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,796 POSTS
Yes, you can scan it for codes but without a light, you would need a scan tool that will read history codes.
Also, if there is no light or codes, it is a mechanical failure which means there would be no codes.

As far as testing, you would need a set of pressure gauges to attach to the transmission and check main line pressures and application pressures.

Roy
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Thursday, March 8th, 2018 AT 4:17 PM
Tiny
GOGETTX4
  • MEMBER
  • 4 POSTS
Is that even worth doing or should I had down to pick and pull and get another torque converter
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Thursday, March 8th, 2018 AT 5:26 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,796 POSTS
At this point, I would consider replacing the transmission. If the converter locked up, it may have spread metal throughout the transmission and contaminated the valve body and clutches.

I would hate to see you just replace the converter and then find you have continuing issues.

Roy
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Thursday, March 8th, 2018 AT 5:34 PM
Tiny
GOGETTX4
  • MEMBER
  • 4 POSTS
Is there a relay for the TCC? Or a fuse.
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Thursday, March 8th, 2018 AT 5:38 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,796 POSTS
No, there is a solenoid. If it was bad, it would code.

Roy
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Thursday, March 8th, 2018 AT 5:40 PM
Tiny
GOGETTX4
  • MEMBER
  • 4 POSTS
Okay then, I cannot thank you enough for your help and time. I will replace it then let you know how it goes.
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Thursday, March 8th, 2018 AT 5:46 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,796 POSTS
You are welcome.
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Thursday, March 8th, 2018 AT 5:56 PM

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