Hard shutdown? - Ford Powerstroke Diesel Forum
 
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post #1 of 7 Old 01-01-2012, 10:04 PM Thread Starter
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Hard shutdown?

hey guys my truck has always shook a bit when shutting it off since i have had it but it has seemed to get alot worse?

any ideas
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post #2 of 7 Old 01-01-2012, 10:06 PM
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Stick shift? Could be your dual mass flywheel going bad


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post #3 of 7 Old 01-01-2012, 10:47 PM Thread Starter
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Auto, but I had my trans fluid and fliter changed and flushed and now my truck is making really loud vibrating and humming sounds around 35-45mph and 70-80mph , and just today when it down shifts it makes a sqeeking noise for a sec not sure if these issues are related though? Thanks for the quick reply
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post #4 of 7 Old 01-02-2012, 12:07 PM Thread Starter
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anything? where to start im lost, was told to replace cps, i did with no luck
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post #5 of 7 Old 01-02-2012, 12:40 PM
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The vibrating/humming at speed could be u-joints. Out of curiosity did you check those?

@ shut off....Have you looked at the motor mounts or trans mount? It's a suggestion.


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post #6 of 7 Old 01-02-2012, 01:17 PM Thread Starter
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i took a look at motor mounts, seemed fine, Whats the best way to tell if my u joints are bad? i know probly a dumb question but i took a peek at them a couple weeks ago looked ok but i also dont really know what they look like brand new? im a neb haha
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post #7 of 7 Old 01-10-2012, 08:40 AM
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Grab ur drive shaft at the front where it comes out of the transmission and at the rear where it bolts to the rear axle grab just slightly behind u joints wiggle up and down and side to side u shouldn't have any play if they are in good condition if u feel or see any movement then that's deffinately where ur humm and vibration is coming from. Oh yea they will also squeak some times I would put money on worn u joints
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