Date: Thu, 28 Aug 2003 00:31:19 +0200 From: Simon Putz <simon.putznopsamline.de> Subject: Re: crack in gearbox case & vibration between 140 and 150 mph (230-240 km/h)
On Wed, 27 Aug 2003 22:46:14 +0100 Grunff <grunffnopsam.com> wrote: > Simon Putz wrote: > > > i have that 2 problems i already mentioned in the topic with my MY90 9000T, > > the biggest one of them is that i have a crack in the gearbox case rightt here > > where the two halves meet each other, at the differential. any idea on what i could do? > > welding is not really possible i guess and nothing else would stay there given the > > vibrations, heat and the oil pushing from above, but if someone has any other idea, please tell me. > > right now ill stay with refilling about 1 liter of oil every 4 weeks :( > > Either weld it up (remove, drain, cleanup, weld, refit), or get > a replacement. damn, thats exactly what i didnt want to hear, atleast i can do the clutch while im at it then, and i dont have to take out the whole engine, right i "just" have to drop out the gearbox to the bottom. > > > and the second problem is that after replacing both front wheel bearings and rotating tires front-back > > i get a strong deep vibration on the highway between 140 and 150 mph its most noticeable > > Your 9kt does 150mph??? 150mph = 240 km/h if im not mistaken and it could even reach that before i got the speedparts chip, now it just does it a bit easier, but speedos are always off a bit so maybe it is just doing 140 ? i dont know, but i had up to speeds over the last dash going on a long stretch of straight road or very slightly downhill. > > > it feels like > > the vibration you get when the car is at very low rpms and you push the gas. also i feel some strange kind > > of "play" not really play because the wheels go where i point them to, but a feeling like something is loosing contact to the ground, like lifted up inside, when i accelerate between, well 70 and maybe 100 mph. > > does this rather sound like track rod ends/balljoints, cv joint or maybe just the motor mounts? > > otherwise the car behaves just fine handles well and doesnt make any cracking sounds, just a bit of clunking sometimes in stop n go traffic, but i believe that are just slightly seized brake calipers. > > any advice greatly appreciated > > If you intend to use the car at high speeds, first you need to > check the suspension + steering thoroughly. Check for play in > the front suspension and steering, and the rear suspension. Get > the wheels balanced. ill have them balanced soon, thanks, ill check for any slack/play this weekend. bye simon
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