Thump on Take-Off - Ford Powerstroke Diesel Forum

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post #1 of 22 Old 06-29-2010, 09:12 PM Thread Starter
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Thump on Take-Off

I have a 2008 for f350 SRW. Loaded or unloaded will thump on take -off seems to be worse when trans is hot .I have had it at the dealership. They say it is not right but don't know what is causing it.Any Ideas?

Thanks in advance
Keith
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post #2 of 22 Old 07-09-2010, 12:28 PM
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Used to be on older (05-07) SD that the slip yoke on the driveshaft needed to be greased with moly paste to correct an issue that sounds similar. Hard to say as I can't sit in your truck and feel/hear it.
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post #3 of 22 Old 07-09-2010, 01:10 PM
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On my 04 it does the same thing...It kinda clunks when I come to a stop too.

2004 F-250 4x4 sc long bed
afe intake
mbrp exhaust
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post #4 of 22 Old 07-09-2010, 01:17 PM
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same thing one my dads 07 f350. dealership said nothing seems to be wrong and to keep driven it till something goes wrong. thats bull....


2008 F350 King Ranch 4X4 6.4PSD
SPARTANIZED
Studded,S&B,WOP Egr delete w/ wastegate, 5" Flo-Pro tb


Sold-2005 F250 4X4

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post #5 of 22 Old 07-09-2010, 06:32 PM Thread Starter
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I took it back to the dealership today. It has been there off and on for a total of 4 days. They are suppose to tear into the trans to check out the first and second gear clutch pack.This was suggested by the big angry hillbilly on here and am thinking he is spot on I will keep everyone posted
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post #6 of 22 Old 07-10-2010, 07:27 PM
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I'm having a similar issue. I come to a complete stop, them when I take off, it feels like the something in the tranny doesn't immediately engage. It's almost like it slips and then you feel it grab. Getting ready to take mine in as well.
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post #7 of 22 Old 07-12-2010, 04:33 PM
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Any one figure anything out on this problem yet?


2008 F350 King Ranch 4X4 6.4PSD
SPARTANIZED
Studded,S&B,WOP Egr delete w/ wastegate, 5" Flo-Pro tb


Sold-2005 F250 4X4

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post #8 of 22 Old 07-12-2010, 05:03 PM
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post #9 of 22 Old 07-12-2010, 06:28 PM Thread Starter
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Well after the dealer having my truck 2 more days doing checks that Ford wanted done, Ford is sending an engineer to drive and look at the truck they swear it is not in the trans. but what the heck else could it be? I will keep everyone posted.I am kinda disgusted.
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post #10 of 22 Old 07-14-2010, 06:28 AM
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If you guys look over on Ford Truck Enthusiasts you'll see this exact issue (sounds exactly the same) discussed to death over the last 5 years. The drive line slip yoke comes with a plastic coating on the teeth. This wears away and the fix is to pack it with grease every so often. I'd try that before I let anyone tear into a transmission. Simple fix to a simple problem.
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