Dude , every once in a while , when I get in the truck first hting in the
morning and put it in reverse to back out of the driveway ,I here a kinda
loud harmonic hummmm as well . Only in reverse , and only first hting in
the morning .
I am thinking that maybe the tranny is stressing a little from maybe the
torque (?) under aggressive driving conditions .
At 03:22 PM 10/8/1998 -0700, you wrote:
>I did a little high speed driving today to check my high speed
>vibration....got up to about 105. Vibration not bad until maybe 90
>then kindof a HUMMMMMMMMMMMMMM which changes frequency if I accel or
>decel. Well today at about 105, there was a sudden very loud HUMMMM
>which made me immediately let off. Well didn't seem to have any
>problem after I dropped back below 90, but when I got home, I just
>happened to look under it and saw I am leaking trans fluid. Looks
>like it is coming from the rear trans output seal....guess I'll take
>it in tomorrow, but do I tell them how it happened and about my HUMMMM
>problem at 90+mph or just keep my mouth shut? Anyone have any ideas
>what the HUMMM source could be? Did my trans just have a bad seal or
>are the two connected? I dread this bc I dont' have access to a good
>dealership....
>
>wish me luck
>
>
>
>
>_________________________________________________________
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>
>
>
Jack Hilton
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