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1998 8l v10 Shakes when cold

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  #31  
Old 11-20-2017, 05:26 PM
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alright drain prob fixed i poked a rod into the drain and then it started pissing water for a good 5 min no more wet floor......... New problem came up recently still trying to figure it out. After i set the cruse it slowly starts to decrease 55-50-45-40ect en tell it hits 35 then it sits their. Still dont know what this trucks issue is with being cold but once it reaches operating temp the cruse holds where i set it. Also the 50-55 mph shake came back......... Thinking about selling the beast before it leaves me stranded or something of the sort.
 
  #32  
Old 11-20-2017, 09:28 PM
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That's a vacuum leak.
 
  #33  
Old 12-08-2017, 05:07 PM
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Alright finally got the check engine light to shut off......was a cut cable for the left o2 sensor But the shake still remains had the truck up in the air for a tire change so i decided to check my u-joints and there is play but its not the u-joints..... Its from the transmission. If im correct the drive shaft shouldent move at all while in park right?
 
  #34  
Old 12-08-2017, 05:51 PM
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There is going to be some slop there. Probably a lot more than you expect. Rotational is ok, it's the up/down/side-to-side that will give you a vibration.
 
  #35  
Old 01-03-2018, 01:20 PM
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good god one issue after the next was driving today when without warning it started to spray anti-freeze. Driver side by my battery is covered no clue where it is comming from or what caused it so i thought i would ask. It seems like it dont hold pressure anymore and i cant get it to leak again but it still runs like ****.
 
  #36  
Old 01-03-2018, 02:10 PM
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Check the upper radiator hose, and the heater hose on that side...... If you have another vehicle, go rent a cooling system pressure tester, put some pressure on the system, and see what happens.
 
  #37  
Old 01-04-2018, 08:26 PM
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Alright figured it out getting no flow out of the bottom of the rad... Its plugged somehow ether frozen or mineral build up. Still getting flow through heater core. So i think a mix of it being -2 that day and probably having a water rich anti freeze mix more or less defeated the purpose of anti-freeze and it froze somewhere in the rad. So im currently thawing out the truck over night and going to see if i have flow in the morning. And if not im draining the system taking out the rad and running some mineral dissolve through it to clear it out Edit: Couldn't wait garage finally came up to temperature and all the snow melted off. Started the truck let it come up to temp and its flowing again.... Just a frozen rad so looks like i gotta add some full strength to prevent that again
 

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  #38  
Old 01-05-2018, 08:26 PM
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So i fairly sure i have solved this one figured it out the moment i took my radiator drain plug out and nothing came out of a full radiator so im flushing it and so far gotten a couple cups worth of crap out of it will update when i know more
 
  #39  
Old 01-16-2018, 02:06 PM
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So i figured it out and its something totally different,Surging, Loss of power, 55 shake, and all the other pops and backfires are most likely my fuel pump going..
 
  #40  
Old 01-16-2018, 06:44 PM
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Low fuel pressure would do it.... If you have a good scanner, look at what long, and short-term fuel trims are doing. If they are adding a bunch of fuel...... pressure might just be an issue.
 



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