Rear end? My carrier bearing went out and it made lots of noise from 45mph
up.
I ended up sticking my truck on jack stands and setting the parking brake
enough to put the drivetrain in a bind and brought it up to 45. It's
dangerous to do but, i found the problem.
--Hop
----- Original Message -----
From: "Dan Kramarsky" <dkramarsky68@yahoo.com>
To: <dakota-truck@dakota-truck.net>
Sent: Sunday, February 27, 2005 4:33 PM
Subject: DML: UPDATE: Drivetrain vibration under specific conditions
>
>
> Hi DMLers,
>
> In addition to the conditions below that I mentioned. I found another
seperate condition
> where the vibration occurs. If the truck is going 50 to 75 or so and you
put it in
> neutral then the vibration occurs. You put it back in drive and give it
gas and the
> vibration goes away after a sec or two.
>
> original conditions:
>
> 1. ) Cruising at any speeds between 50 and 80 mph.
> 2. ) Ease up on the gas so that the drivetrain and engine are NOT loading
each other.
> 3. ) The gas is not reduced to the point that we are coasting. Because
thats torque
> right. Its the vehicle being "braked" the the engine resistance.
> 4. ) Seems to happen with shifter in "Drive" position and not so much in
"2" or "1".
> 5. ) So basically what we have here is the driveshaft freely spinning at
high rpm and no
> load.
>
>
> Does anyone one want to play "guess that problem"?
>
> We have so far: a. transfer case ( i dont have one :-) )
> b. U-Joints ( U-Joints were replaced when the tranny
was rebuilt )
> c. ( put your hunch here )
>
>
> thanks DMLers.
>
>
>
>
> =====
> Dan K.
> '92 Grey Dak CC, 318, 4x2, 46RH, 3.92 rear, 235/75R15, PS, PW, PB, PL, AC.
>
> Mods: Trans-Go, APS Precision's 2400 stall, cool air induction, K&N
filter, Autolite 3924s, & re-located IAT sensor.
>
> Future: 180* stat, MP PCM, Stage 1 T.B., HER1418AL Cam, 3" Gibson
exhaust, March pullies, electric fan, and head porting.
>
>
>
> __________________________________
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This archive was generated by hypermail 2b29 : Tue Mar 01 2005 - 10:04:32 EST