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  #1  
Old 10-05-2010, 12:05 PM
South Ski South Ski is offline
2002 FX4 4.0 Styleside
 
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Question Whole truck Vibrations, what could it be ?

Hey,

For the past few months I have been experiencing a very low but high frequency vibration when I drive 65mph-75mph. The vibration only exists at those speeds but is very pronounced and visibly shakes mirrors etc. Any ideas what this could be ? I have had the dealership replace a UV joint they said could be causing the problem, but this did not remedy the situation. More info: happens in 2wd and 4wd although seems worse in 2wd. I know this is bad but it also happens regardless of gearing 4th or 5th. Any help is apperciated, Thanks!
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  #2  
Old 10-06-2010, 08:18 AM
Gonzos xlt Gonzos xlt is offline
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Default Re: Whole truck Vibrations, what could it be ?

Could be something as simple as tire balancing. Same happened to me and it was a rear tire that lost the weight. Check it out, it could be an easy/cheap fix.
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  #3  
Old 10-06-2010, 08:20 AM
edgeman4.0 edgeman4.0 is offline
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Default Re: Whole truck Vibrations, what could it be ?

^what he said
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  #4  
Old 10-06-2010, 08:33 AM
South Ski South Ski is offline
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Default Re: Whole truck Vibrations, what could it be ?

Yeah that was my first idea, but it has persisted and remained the same thru multiple tire balances and even tire changes. So I am suspecting another culprit any ideas ?
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  #5  
Old 10-06-2010, 11:16 AM
modelageek modelageek is offline
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Default Re: Whole truck Vibrations, what could it be ?

Quote:
Originally Posted by South Ski View Post
Yeah that was my first idea, but it has persisted and remained the same thru multiple tire balances and even tire changes. So I am suspecting another culprit any ideas ?
I think you have a super cab so that would mean you have the slip yoke. have you greased the slip yoke with the special grease?..did you check mounts?
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2004 Ext Cab, 4WD, 4.0, Auto, 154k. (4.0 engine is out of a 2009 Ranger w/96k) ( as of 7/1/2017)

2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
1999 Ford Ranger, Reg Cab, 2.5, 5 speed, 2WD, no AC, 150k (SOLD).
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  #6  
Old 10-06-2010, 01:36 PM
South Ski South Ski is offline
2002 FX4 4.0 Styleside
 
Join Date: Sep 2010
Posts: 15
Default Re: Whole truck Vibrations, what could it be ?

Quote:
Originally Posted by modelageek View Post
I think you have a super cab so that would mean you have the slip yoke. have you greased the slip yoke with the special grease?..did you check mounts?
By looking at your signature I can tell you have more knowledge than I will ever have, I do have a super cab. My only follow up question is by mounts do you mean body mounts to the frame ? and by special grease do you mean particular to ford rangers or just to slip yokes ? Thanks you for the help this has been bothering me for awhile.
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  #7  
Old 10-06-2010, 01:49 PM
modelageek modelageek is offline
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Default Re: Whole truck Vibrations, what could it be ?

I was thinking engine and tranny mounts. Have you cleaned and greased the slip yoke. They make a rrcomended grease
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2004 Ext Cab, 4WD, 4.0, Auto, 154k. (4.0 engine is out of a 2009 Ranger w/96k) ( as of 7/1/2017)

2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
1999 Ford Ranger, Reg Cab, 2.5, 5 speed, 2WD, no AC, 150k (SOLD).
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  #8  
Old 10-06-2010, 02:09 PM
01_ranger_4x4 01_ranger_4x4 is offline
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Default Re: Whole truck Vibrations, what could it be ?

if the slip yoke is sloppy enough to the point that it vibrates at speed than greasing it will not fix it, i doubt that is it anyways but it wouldnt hurt to check it out. does the vibration change frequency with engine speed or wheel speed?
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2001 Ranger 4x4 Stepside
-RCD Suspension lift
-33x12.5 BFG KM2's on Mickey Thomson classic locks
-4:56 gears
-Auburn gear LS
-James Duff traction bars
-Headers
-Flowmaster duals
-SCT X-Cal2 and some small exterior mods

http://www.cardomain.com/ride/2321189

2005 F-150 Lariat 4x4
-LED third brake light
-Weathertech floor liners
-Edge tuner
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  #9  
Old 10-06-2010, 02:47 PM
South Ski South Ski is offline
2002 FX4 4.0 Styleside
 
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Posts: 15
Default Re: Whole truck Vibrations, what could it be ?

Quote:
Originally Posted by 01_ranger_4x4 View Post
if the slip yoke is sloppy enough to the point that it vibrates at speed than greasing it will not fix it, i doubt that is it anyways but it wouldnt hurt to check it out. does the vibration change frequency with engine speed or wheel speed?
This is the thing it only happens at 65-75mph regardless of engine speed, the vibration is very consistent when present. The vibration is like a low hum but can be felt throughout the truck.
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  #10  
Old 10-06-2010, 02:49 PM
01_ranger_4x4 01_ranger_4x4 is offline
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Default Re: Whole truck Vibrations, what could it be ?

Quote:
Originally Posted by South Ski View Post
This is the thing it only happens at 65-75mph regardless of engine speed, the vibration is very consistent when present. The vibration is like a low hum but can be felt throughout the truck.
did the dealership also check the front drive shaft for a bad ujoint? what you describe sounds exactly like the bad u-joints ive had experience with.
__________________
2001 Ranger 4x4 Stepside
-RCD Suspension lift
-33x12.5 BFG KM2's on Mickey Thomson classic locks
-4:56 gears
-Auburn gear LS
-James Duff traction bars
-Headers
-Flowmaster duals
-SCT X-Cal2 and some small exterior mods

http://www.cardomain.com/ride/2321189

2005 F-150 Lariat 4x4
-LED third brake light
-Weathertech floor liners
-Edge tuner
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  #11  
Old 10-06-2010, 03:54 PM
modelageek modelageek is offline
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Default Re: Whole truck Vibrations, what could it be ?

Quote:
Originally Posted by south ski View Post
this is the thing it only happens at 65-75mph regardless of engine speed, the vibration is very consistent when present. The vibration is like a low hum but can be felt throughout the truck.
have you cleaned and greased the yoke........yes or no!!!!!!!!!!!!!!!!!!!!!!!!
__________________
2004 Ext Cab, 4WD, 4.0, Auto, 154k. (4.0 engine is out of a 2009 Ranger w/96k) ( as of 7/1/2017)

2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
1999 Ford Ranger, Reg Cab, 2.5, 5 speed, 2WD, no AC, 150k (SOLD).
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  #12  
Old 10-06-2010, 04:20 PM
edgeman4.0 edgeman4.0 is offline
THE COMPLAINT DEPARTMENT
 
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Posts: 3,962
Default Re: Whole truck Vibrations, what could it be ?

Quote:
Originally Posted by modelageek View Post
have you cleaned and greased the yoke........yes or no!!!!!!!!!!!!!!!!!!!!!!!!
i'm going take a stab in the dark here and say that he hasnt..
__________________
2001 Ford Ranger Supercab (4dr), Oxford White, 4.0 Sohc, 4x4, Manual trans (hurst equipped), 4:10's, 3" body lift.
Quote:
Originally Posted by Demon-FX4 View Post
The Edgeman sees his prey and strikes out from the darkness.
Quote:
Originally Posted by Rango88 View Post
Dont f+ck with Ch+ck
Reply With Quote
  #13  
Old 10-08-2010, 08:21 AM
South Ski South Ski is offline
2002 FX4 4.0 Styleside
 
Join Date: Sep 2010
Posts: 15
Default Re: Whole truck Vibrations, what could it be ?

Quote:
Originally Posted by edgeman4.0 View Post
i'm going take a stab in the dark here and say that he hasnt..
I think I mentioned this earlier the earliest I could do it will be this weekend I will post before and after pics of slip yoke.
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