Please remove my address from this list
Beth :)
On Jan 4, 2009, at 0:00, owner-dakota-truck@bent.twistedbits.net (DML
Digest) wrote:
>
> DML Digest Sunday, January 4 2009 Volume 05 :
> Number 3612
>
>
>
> The subjects discussed in this digest are:
> ==========
> DML: RE: 5.2 vibration/rumble/groan or something like that...
> DML: RE: RE: 5.2 vibration/rumble/groan or something like that...
> DML: RE: RE: 5.2 vibration/rumble/groan or something like that...
> RE: DML: RE: RE: 5.2 vibration/rumble/groan or something like that...
>
> ----------------------------------------------------------------------
>
> Date: Sat, 3 Jan 2009 10:01:45 -0500
> From: "Rick Suter" <rick.suteriii@gmail.com>
> Subject: DML: RE: 5.2 vibration/rumble/groan or something like that...
>
> Date: Fri, 2 Jan 2009 21:02:10 -0500
> From: "Mike Sykes" <mikesykes@cox.net>
> Subject: DML: RE: 5.2 vibration/rumble/groan or something like that...
>
>>> but I still have a nagging groan/vibration. It seems to be around TC
>>> lockup, but I'm not convinced the two coincide. Most obvious
>>> around 60
>>> MPH on the highway with light pressure on the gas... It's sort of a
>>> groan/rumble with mild vibration. It seems to lessen as the truck
>>> warms
>>> up. Worse in colder weather. Ideas?<<
>
>>> hhmmm... time for all the questions they're not gonna' ask you at
>>> the
>>> shop: in the afore mentioned tuneup, did you change the trans
>>> fluid and
>>> diff fluids?
>
> Trans yes, fluid and filter.... Diffs, no. Hadn't thought of it for
> this issue, more as maintenance for the FLA trip. I'll try that next.
>
>> Does the vibration occur if you accelerate past 60 and are coasting
>> under no throttle?
>
> Doesn't seem to. Seems more like light throttle pressure, barely
> accelerating.
>
>> Do your differentials ratchet for make noise when you take a tight
>> turn?
> I don't think so
>
>> Stock ride height?
> No, has had 2" add-a-leafs in the rear since I've owned it at 16K
> miles.
>
>> When trying to pinpoint odd problems, I always tell people to start
>> with
>> the cheapest and easiest stuff, then move up as budget persists =)
>>
>> - - miggity
>
> thanks! Rick
>
> ------------------------------
>
> Date: Sat, 3 Jan 2009 12:00:22 -0500
> From: "Ray Block" <BPracing@wowway.com>
> Subject: DML: RE: RE: 5.2 vibration/rumble/groan or something like
> that...
>
>> -----Original Message-----
>> From: Rick Suter
>>
>>>> but I still have a nagging groan/vibration. It seems to be around
>>>> TC
>>>> lockup, but I'm not convinced the two coincide. Most obvious
>>>> around 60
>>>> MPH on the highway with light pressure on the gas... It's sort of a
>>>> groan/rumble with mild vibration. It seems to lessen as the truck
>>>> warms
>>>> up. Worse in colder weather. Ideas?<<
>>
>>> Stock ride height?
>> No, has had 2" add-a-leafs in the rear since I've owned it at 16K
>> miles.
>>
>
> Have you checked your u-joints....on both ends of the driveshaft?
>
> Ray
>
> ------------------------------
>
> Date: Sat, 3 Jan 2009 13:12:44 -0500
> From: "Mike Sykes" <mikesykes@cox.net>
> Subject: DML: RE: RE: 5.2 vibration/rumble/groan or something like
> that...
>
>>>> Stock ride height?
> No, has had 2" add-a-leafs in the rear since I've owned it at 16K
> miles.<<
>
>
> I would definitely start with changing the diff fluids, but I don't
> think that will fix the droning sound. When I had my 88 2wd, it was
> slammed. 5" drop in the rear. It would start to drone and vibrate at
> around 55-ish, stop around 60-ish only under load, only while cruising
> or accelerating. Turned out it was pinion angle from the suspension
> adjustment. Now, I don't want to say that this is what is causing your
> vibration, but the similarities are difficult to ignore. =)
>
> The way it was fixed was by adding 2 degree pinion shims between the
> axle and the leafs (the universal ones work just fine) and it got
> better, but never went away totally. Some things you just gotta' live
> with for your art =)
>
> Regardless, the shims are pretty inexpensive and really easy to
> install.
> (goes with my "start with the cheap and easy stuff" methodology).
>
> Good Luck
>
> - - miggity
>
> ------------------------------
>
> Date: Sun, 04 Jan 2009 00:12:30 +0000
> From: <knox.james@sympatico.ca>
> Subject: RE: DML: RE: RE: 5.2 vibration/rumble/groan or something
> like that...
>
> Reminds me of the flex plate breaking up on my 91.
>
> Jim, 91 Dak 318LA
>
>
>
>>
>>
>>> -----Original Message----- > From: Rick Suter > > >>but I still
>>> have a
>> nagging groan/vibration. It seems to be around TC > >>lockup, but
>> I'm not
>> convinced the two coincide. Most obvious around 60 > >>MPH on the
>> highway
>> with light pressure on the gas... It's sort of a > >>groan/rumble
>> with mild
>> vibration. It seems to lessen as the truck warms > >>up. Worse in
>> colder
>> weather. Ideas?<< > > >Stock ride height? > No, has had 2" add-a-
>> leafs in
>> the rear since I've owned it at 16K miles. >
>>
>> Have you checked your u-joints....on both ends of the driveshaft?
>>
>> Ray
>>
>
> ------------------------------
>
> End of DML Digest V5 #3612
> **************************
>
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