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| E Series Forum covers questions and discussions regarding Ford E-150, Ford E-250, Ford E-350, and Ford E-450. |
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04-28-2004, 05:06 PM
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#1 | |
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AF Newbie
Join Date: Apr 2004
Location: austin, Texas
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transmission not working right
i have an 88 e350 c-6 i just put a junkyard tranny in it. it will not go over 60 mph. does any one have any ideas.
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05-09-2004, 09:41 AM
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#2 | |
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Banned
Join Date: May 2004
Location: Memphis, Tennessee
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Re: transmission not working right
Does this happen when driving on a flat surface highway or on a little steep highway?
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05-09-2004, 11:17 PM
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#3 | |
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AF Newbie
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Join Date: Apr 2004
Location: austin, Texas
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All the time. It will not go over about 60 mph. The engine is screaming.
I have changed torque converter with same results. |
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05-10-2004, 12:24 PM
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#4 | |
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AF Enthusiast
 
Join Date: Jan 2004
Location: Under a Truck
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Re: transmission not working right
The vacuum line to the moduator is either plugged, not connected, or there is a cap on the modulator nipple. The modulator *thinks* you are wide open all the time (no vac signal) therefore it will NOT upshift to 3rd.
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05-10-2004, 10:29 PM
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#5 | |
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AF Newbie
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It is shifting into all the gears, just as it should.
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05-11-2004, 09:53 AM
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#6 | |
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AF Enthusiast
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Re: transmission not working right
You said: "It will not go over about 60 mph. The engine is screaming."
That would indicate it's not getting into 3rd. Try a "D" to "2" downshift when it's doing this. If the RPMs do not increase you were NOT in 3rd, but in second. |
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05-11-2004, 08:33 PM
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#7 | |
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AF Newbie
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Thank you for the info. I will check the vac. line in the a.m. I did try the downshift and it did exactly what you said. Thank you very much for taking the time to respond.
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