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post #1 of 12 Old 02-05-2013, 08:47 AM Thread Starter
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Whole truck is bouncing

When I first start up my truck and start driving it starts bouncing up and down. I recently got Matt's SRL and think it might be my oil isn't warm enough for the injectors at that point. Once my temps get a little Warner it stops and runs great. I could be completely wrong and any input would be great.


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2004 F250 CCSB FX4
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post #2 of 12 Old 02-05-2013, 10:13 AM
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Are the rpms bouncing/fluctuateing or is the truck physicaly bounceing?


Lord I shall lead them to the water but I will not try to make them drink
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post #3 of 12 Old 02-05-2013, 10:16 AM Thread Starter
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Whole truck is bouncing

Quote:
Originally Posted by dannyboy950 View Post
Are the rpms bouncing/fluctuateing or is the truck physicaly bounceing?
The truck itself is bouncing not the rpm's.


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2004 F250 CCSB FX4
  • SCT w/ Matt's SRL
  • MBRP 4" turbo back straight pipe w/ 4" to 6" MBRP black tip
  • Edge CTS
  • Riff Raff Diesel intercooler boots
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post #4 of 12 Old 02-05-2013, 10:17 AM Thread Starter
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Whole truck is bouncing

And it's only at 50 mph and up


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2004 F250 CCSB FX4
  • SCT w/ Matt's SRL
  • MBRP 4" turbo back straight pipe w/ 4" to 6" MBRP black tip
  • Edge CTS
  • Riff Raff Diesel intercooler boots
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post #5 of 12 Old 02-05-2013, 10:23 AM
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Odd! Could be teeth broke on the pinion gear or bad u-joint but that aughata make a lot of noise. Did you check your tires for aturned belt/damage?


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post #6 of 12 Old 02-05-2013, 10:38 AM Thread Starter
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Whole truck is bouncing

When it's warmed up it runs great and doesn't bounce at all. It's only when the temps are still low.


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2004 F250 CCSB FX4
  • SCT w/ Matt's SRL
  • MBRP 4" turbo back straight pipe w/ 4" to 6" MBRP black tip
  • Edge CTS
  • Riff Raff Diesel intercooler boots
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post #7 of 12 Old 02-05-2013, 06:08 PM
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My truck is a bit bouncy when it's real cold it's worse. lol Once my 38" tires warm up and get round again it's fine, can't wait till summer

Sounds like you have a severe case of stiction, what oil are you using??
5W/40 will surely help but not so sure enough ? strange thread ??? ? ?


2006 F250 LARIAT CCSB 4X4: Edge CS2, ARP Studs, O-Ringed Heads, X4 PHP 65 HP Custom Tow Tune, Atlas40 Ficm Tune, CAT EC-1 Coolant, IPR Coolant filter, Fass-125, turbo-back SS 4" pipe, Corsa muffler, 6.4 Banjo's, 6.4 starter,DC Power 270 amp alt, 2/0 cables, Die Hard Platinum AGM, 7" lift w: Icon Progressive Coil Springs, 2008^ Carli/Deaver rear springs on fatty-daddy 38/15.50/18 Toyo's

Last edited by mhatlen; 02-06-2013 at 12:43 AM.
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post #8 of 12 Old 02-05-2013, 08:08 PM Thread Starter
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Whole truck is bouncing

I'm using Rotella T. I think it's 15w40 but not 100% sure, I'd have to check my bottles when I get home in the morning. I've thought about trying revx to help out and a fresh oil change.


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  • MBRP 4" turbo back straight pipe w/ 4" to 6" MBRP black tip
  • Edge CTS
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post #9 of 12 Old 02-06-2013, 06:54 AM
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Switch to Rotella T6 5w40 and add revx. That should help
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post #10 of 12 Old 02-06-2013, 02:07 PM
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Re: Whole truck is bouncing

Come on......so stiction will make the truck bounce down the road, lol? I'd love to see a video of this.

Sent from my phone that somebody didn't help me get.

Unfortunately had to Sell my ......2004 KR CC SWB FX4 - Edge insight cts, blue spring upgrade, updated HFCM drain plug, XDP coolant filter, CAT EC-1 rated coolant, Custom Diesel EGR delete, CAT delete, Rotella T6

SEE MY OIL COOLER REPLACEMENT AND EGR DELETE - http://www.powerstroke.org/forum/gen...tml?highlight=
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