Transmission 1st gear issue - Ford Powerstroke Diesel Forum

 
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post #1 of 3 Old 04-28-2014, 10:23 AM Thread Starter
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Transmission 1st gear issue

Been searching the threads but cant find my problem. When starting out from a stop in 1st gear there is a thunk like sound. Sort of like a sudden high pressure type of thing. It is only in first gear and and it is not all the time. Almost always from a stop but not when rolling. If you put the shifter in 2nd gear it will not do it when starting out. Tranny fluid is not burnt, does not smell and is a normal red color. Could this be a throttle body or solenoid issue? Close to going to the transmission shop but if it is a simple fix I would do it myself. Truck is a 04 f250.

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post #2 of 3 Old 04-28-2014, 06:55 PM
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It sounds like the slip yoke on the drive line is dry. Slip joint regreasing Hope it helps.

Joe

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post #3 of 3 Old 04-28-2014, 07:06 PM Thread Starter
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I will read up on that and check it out. Would not have thought of something like that. Thanks.

Sold the 6.0 for a 2015 6.7

MBRP 4" turbo back,
Accufab intake elbow,
SCT w/DP Tuner tunes,
RCD EGR delete,
EGT, boost, trans temp, fuel pressure gauges and scan gauge II
ARP studs,
Black Onyx head gaskets - they are gone and back to stock
6.4 banjo bolts
Crossover line
Dieselsite coolant filter
upgraded fuel regulator and other ford upgrades
Western MVP Plus plow
Snow ex salter
Jeckstine is offline  
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