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Drivetrain Tech General discussion of drivetrain for the Ford Ranger.

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  #1  
Old 11-29-2004
mental ambiguity
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Issue Fixed!

Okay kids.. I need someone who knows a hell of a lot more about trucks than me.

Recently, I've developed a whining. I'm assuming it's the drivetrain, since it doesn't increase with engine noise, only with the actual speed.

Problem is, I'm having trouble isolating where it's coming from. On one hand, it sounds like it's coming from the rear end (which I just had a leak fixed with), but on the other it sounds like it's coming closer to me in the cab, which leads me to believe it may be transmission.

The third possibility could be the transfer case, but I'm not sure.

So, I'm looking for theories as to what it might be. Cash is excruciatingly tight at the moment, and I can't afford to be without a vehicle either.

Thoughts?

Thanks!
sk0t

Last edited by mental ambiguity; 12-05-2004 at 04:56 PM.
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  #2  
Old 11-29-2004
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Whining

how long agowas the rear end serviced?...you have L/S.....if so there is a friction modifier that needs to be mixed with the gear oil !...that could be it...
also check you fluid level on the t-case...
hard totell if i cant hear it ..lol
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  #3  
Old 11-29-2004
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It would really suck if your gears are whining...

Means teh gears are foked, cause your saying its the tranny..

Does the sound seem like its going with the gear shifts...

Then its prob the ring and pinion grinding/whining
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  #4  
Old 11-29-2004
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Skot you want to meet up this weekend or something i could take a look at it for you. Maybe i can see what Bill is doing too and we could take a trip on over.
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  #5  
Old 11-29-2004
mental ambiguity
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I would, but I'm going to take it back to the shop first.. The more I've been talking it over with a coupel of other people, the more I'm suspecting it's the rear.. Especially after hearing TReff's suggestion too.. And, since they just worked on it, lets see if they'll fix it for nothing..
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  #6  
Old 11-29-2004
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The only noises that I have heard that were associated with a lack of friction modifier occurred while turning. I don't think it matters if you have it or not when you're going straight and the diff is inactive.
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  #7  
Old 11-29-2004
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Quote:
Originally Posted by rwenzing
The only noises that I have heard that were associated with a lack of friction modifier occurred while turning. I don't think it matters if you have it or not when you're going straight and the diff is inactive.
I was thinkin the same thing...


Thats why i posted what i did...


maybe the shims were moved around or something...
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  #8  
Old 11-29-2004
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For Sale - Westin Safari Bar and Westin Step Bars

how bad was the leak and also how long did you have it? i think it is the gears because if you had a bad leak for a while they will start whinning bescause it really gets hot in there. i don't know!!!!
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  #9  
Old 11-30-2004
mental ambiguity
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Looks like explodr4.0 (and any others who might have suggested it) is right. Looks like it's the gears. So, it's in the shop getting fixed. Hopefully they'll get it done quickly so I won't need this rental for more than a couple of days.

And, sadly, this definitely means no more wheeling for me. Not until I'm more financially stabile. I know for a fact that the abuse I put it through has had something to do with it. Like, the abuse I put it through in Centralia turning the truck into a snow plow. And the countless other times I've beat the hell out of it wheeling.

I'll let you guys know for sure what exactly it was when I find out, but they definitely confirmed it's something in the rear-end.
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  #10  
Old 12-01-2004
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Did all the oil drain out of the diff. when u had that leak?? Maybe that caused the problem. I don't think the wheeling was the main reason. The 8.8 rear is pretty strong. And the ranger isn't that heavy or torquey to cuz big problems.
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  #11  
Old 12-01-2004
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Heh.. I've dealt out a ton of abuse to that truck.. I don't think all the oil drained out though.. But, I know I've beat the hell out of that rear..
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  #12  
Old 12-02-2004
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Skot, I forgot what year your truck is, but if you solved the problem by re-filling the diff oil, disregard this.

Some Mid-00+ trucks have had problems with half-shaft excluder seals (dust seals) going bad and causing some whining, more commonly in colder weather. The whining can be noticed more prevalently from speeds from 10mph to 45mph, then wind noise generally mutes the sound. There is a TSB out on this, and if you have a remaining warranty it should be fixed for free.
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  #13  
Old 12-02-2004
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skot, what did you have done to the rear end?? if the messed with the pinion nut at all and didnt retorque it just right, you will get a whine that means the lash is not set correctly on the gears, does it whine when you slow down up to a light? does the whine change pitch with speed??
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  #14  
Old 12-05-2004
mental ambiguity
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Sorry it has taken me so long to get back to this.

Bob, the first time for the rear-end work, it was just fixing a leak. They shouldn't have messed with anything, since the leak was only on the diff cover anyway.

This time, it was a completely different ballgame. Here's right from the paperwork:

Quote:
TEST DRIVE DIAG NOISE COMING FROM REAR AXLE TARE DOWN & INSPECKED FOUND METAL IN FLUID RING & PINION VERY ROUGH TURNING OVER IN AXLE FOUND BEARING DISCOLORED & STARTING TO PIT IN SPOTS ALSO CLUTCH PACK LOSSE OVERHAUL REAR AXLE REPLACE RING & PINION. PINION BEARINGS & CUP. CARRIER BEARINGS & CUP. AXLE BEARINGS & SEALS
Needless to say, it wasn't cheap, but I have no one to blame but myself for it all.
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  #15  
Old 12-05-2004
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Damn bro...sorry to hear that. Glad you got it fixed, though...hmm...I was gonna say something..
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  #16  
Old 06-18-2005
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Is the noise gone now? My truck started doing something similar recently. It howls when coasting at some speeds between 35 MPH and 55 MPH. Hitting the gas makes it go away and it is most noticeable at just under 55 MPH. Above 55, below 35 and some in between it is quiet. I have heard that it could just be a chipped gear. The dealer filled the diff up last and they put 75W-140 synthetic in it. It seemed a little low when I got it back, so I topped it off with more, but that didn't change the noise. For the time being I am just leaving it alone since I can't afford new gears anyway. I am a little hard on the truck, but not abusive. The previous owners were worse than I am.

BTW - there is no play in the pinion on my truck and I don't think anything back there aside from the fluid has ever been messed with.
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  #17  
Old 06-20-2005
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hmmm mine is doin the same changes pitch at each shift..its only a 4x2
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  #18  
Old 06-20-2005
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Quote:
Originally Posted by chukzie
hmmm mine is doin the same changes pitch at each shift..its only a 4x2

If the noise changes when you shift, its coming from your engine, not the axle.
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