TRANNY GAUGE/SHIFT BAD

[laynlow transport]

ok this is my friends truck with the problem but same as my ride 2008 f350
he said the truck runs good when tranny temp gauge is working as soon as he drives for a bit the gauge stops working and he said it seems like the eng fan comes on then the truck will not shift or shifts bad .......last i saw a E450 not shift and ford said it was the temp sencer in the tranny they said the tranny thinks its cold so it stays in 1 gear ???? could this be the same problem ????

[Daigle_Trucking]

im on here cause my truck is doing same damn thing.. brought it to ford dealer changed temp sensor along with fluid. the bill ran me just south of $250 drove bout 20 mins to my house and same thing happens. hoping someone knows a solution to this prob please help..

[laynlow transport]

Originally Posted by Daigle_Trucking

im on here cause my truck is doing same damn thing.. brought it to ford dealer changed temp sensor along with fluid. the bill ran me just south of $250 drove bout 20 mins to my house and same thing happens. hoping someone knows a solution to this prob please help..

It fixed his ......but after that my truck was acting up and fan would come on and it would shift like sh-t ...it was the 3 plugs on the left inner fender they sit on top of your spring ....they are bad for messing up...I could move the plug and make tranny go crazy ....clean all plugs and fixed the problem

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[Daigle_Trucking]

dealer had the issue fixed, after 3 temp sensors. it lasted me 6 months and low and behold doing same thing. went to the dealer to pick up new sensor to do it myself and was informed that the bulkhead harness thats inside the tranny may be bad. got all that good stuff and went to changing it. wire harness looked good before i pulled some wires out and ruined it trying to get it out, and when i went to unbolt main horness from bulkhead harness outside of tranny it was a little loose, which may have been my whole problem all along. all in all i have all new parts and its working like it should now.