Tires would be prime suspect, balance and roundness. Also, rubber mount for carrier bearing? I see the bearing was replaced, but no mention of the mount.
Very respectfully, /s/ Max Dillon '87 300TD 334k miles (Off with the head!) '95 E300 281k miles (daily driving duties) '73 Balboa 20 (High & dry until the head is back on) Charleston SC ________________________________ From: Bob Rentfro <azbob...@gmail.com> To: Mercedes Discussion List <mercedes@okiebenz.com> Sent: Mon, March 28, 2011 11:47:07 AM Subject: Re: [MBZ] 1987 300SDL Driveshaft Tires? Bob R On Mar 28, 2011 8:35 AM, "Ralph Robertson" <rare...@gmail.com> wrote: > An update to my long story: I have a vibration at certain speeds in my '87 > 300SDL. The vehicle is in super condition, with about 130K miles. This is > what I have done thus far: > replace transmission output shaft bearing and seal. > replace drive shaft center carrier bearing. > replace both front and rear drive shaft flex discs. > replace differential mount. > remove and switch rear axles from left to right. > Had motor mounts and trans. mounts checked, but not replaced. Apparently > they are all still good. > Had the drive shaft removed, checked out and balanced at a specialty shop in > Atlanta, Ga. It was out of balance slightly, and they added a weight to > correct this. > The vibration still is noticeable when under acceleration at about 25-30 > MPH, then smooths out. At about 45-50 it returns until about 58 MPH, then > again smooths out and is not noticeable. At about 70-75mph, I can feel it > again returning slightly. After having all the above done, the vibration is > somewhat reduced and I assume the new rubbers are dampening the issue. > The strange thing is the weather seems to have an effect. When the temp. is > around 55F., I can feel this issue, but if it is above say 70 degrees F, it > is practically unnoticeable, except for the higher speed vibration. > Except for replacing all the mounts, I am at a standstill! Any ideas? > Thanks, Ralph - '87 300SDL > '84 300CD > On Sun, Mar 13, 2011 at 10:51 AM, Ralph Robertson <rare...@gmail.com> wrote: > >> I first replaced all the rubber mountings on the vehicle, but the vibration >> was still there. Now hoping the balancing of the shaft will do the trick. >> Thanks for all input. >> Ralph >> >> On Sat, Mar 12, 2011 at 9:54 PM, Max Dillon <meadedil...@bellsouth.net >wrote: >> >>> Have you tried replacing the rubber bits? Flex discs on front and rear, >>> and >>> carrier bearing with rubber mount; Any/all could be culprit as well. >>> >>> -Max >>> >>> -----Original Message----- >>> From: mercedes-boun...@okiebenz.com [mailto: mercedes-boun...@okiebenz.com >>> ] >>> On Behalf Of Ralph Robertson >>> Sent: Friday, March 11, 2011 8:53 AM >>> To: Mercedes Discussion List >>> Subject: Re: [MBZ] 1987 300SDL Driveshaft >>> >>> I am assuming that the driveshaft for the 300SDL would be longer due to >>> the >>> longer wheelbase vehicle, but not sure. I was able to locate a company >>> that >>> would overhaul my old driveshaft and balance it, so hoping that will >>> correct >>> my vibration issue. Thanks for the reply. >>> >>> Ralph '87 300SDL >>> '84 300CD >>> >>> On Thu, Mar 10, 2011 at 11:04 PM, Rich Thomas < >>> richthomas79td...@constructivity.net> wrote: >>> >>> > There was (is?) an SDL at the knackers nearby, don't know what year, are >>> > there differences? Maybe Max and I need to take a trip over there and >>> check >>> > various things out. >>> > >>> > --R >>> > >>> > >>> > On 3/9/2011 8:12 AM, Ralph Robertson wrote: >>> > >>> >> I am looking for a used driveshaft for my 1987 300SDL. Can anyone >>> assist >>> >> me >>> >> here? >>> >> >>> >> Thanks. Ralph '87 300SDL >>> >> '84 300CD >>> >> Brooskville, Fl, 34601 >>> >> _______________________________________ >>> >> http://www.okiebenz.com >>> >> For new and used parts go to www.okiebenz.com >>> >> To search list archives http://www.okiebenz.com/archive/ >>> >> >>> >> To Unsubscribe or change delivery options go to: >>> >> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >>> >> >>> >> >>> > _______________________________________ >>> > http://www.okiebenz.com >>> > For new and used parts go to www.okiebenz.com >>> > To search list archives http://www.okiebenz.com/archive/ >>> > >>> > To Unsubscribe or change delivery options go to: >>> > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >>> > >>> _______________________________________ >>> http://www.okiebenz.com >>> For new and used parts go to www.okiebenz.com >>> To search list archives http://www.okiebenz.com/archive/ >>> >>> To Unsubscribe or change delivery options go to: >>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >>> >>> >>> _______________________________________ >>> http://www.okiebenz.com >>> For new and used parts go to www.okiebenz.com >>> To search list archives http://www.okiebenz.com/archive/ >>> >>> To Unsubscribe or change delivery options go to: >>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >>> >> >> > _______________________________________ > http://www.okiebenz.com > For new and used parts go to www.okiebenz.com > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
