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Car Forum / Mercedes-Benz Cars / November 2005190E, not driving smoothly, please help
well, I'm not imagining this. My '93 190E has gotten very sensitive to the throttle position. Push a little bit and it takes off like a jack rabbit and when letting go of the pedal the car slows down so quickly it makes one jerk forward ...... I have no idea.... any suggestions much appreciated cheers > well, I'm not imagining this. My '93 190E has gotten very sensitive to > the throttle position. Push a little bit and it takes off like a jack [quoted text clipped - 3 lines] > > cheers i just bought one and thought they were suposed to be like that, its kind of fun but recent frosty weather=plenty of wheel spins, that said i only recently passed my car test and as a former biker drive like a bit of a thug anyway. Count how many shift the tranny made... should be two shift... What is the RPM at let's say 55 MPH? >Count how many shift the tranny made... should be two shift... What is the >RPM at let's say 55 MPH? Thanks Tiger, did that. I count up all four ... mind you at times I get a 'double thump' at shift .... when I felt the flex disk coupling I could note some play between the drive and driven shafts .... Probably shouldnt be there. (ie, I'm holding the drive shaft while wiggling the driven shaft on the other side of the coupling) could some slack there cause such a pronounced effect I wonder cheers, guenter You probably need to change your flex discs... will cause vibration at time. At 55 MPH, it should revs about 2500 RPM range Thanks, double checked gears and change-over again. Yes car and engine speeds are as you say below. Gear change overs occur just before 2000rpm, typically about 1800 rpm when accelerating 'softly' ... with the foot more heavily on accelerater the change over occurs higher..... say about 4500 to 5000 rpm ..... all seems normal...... cheers, will do the flex disk replacement as you suggest though just in case >You probably need to change your flex discs... will cause vibration at time. > >At 55 MPH, it should revs about 2500 RPM range Second to Tiger's point. It sounds like tranny is in higher gear. In other makes of cars (like GM) where the auto box has direct drive, there is a torque converter clutch (TCC). When it is engaged, engine connects to wheel directly, bypassing torque converter which is driven by ATF (i.e. hydraulic action which is convenient but not efficient). When this clutch is stuck engaged, it feels like what you have. However, I am not sure if MB has such TCC. > well, I'm not imagining this. My '93 190E has gotten very sensitive to the > throttle position. Push a little bit and it takes off like a jack rabbit and > when letting go of the pedal the car slows down so quickly it makes one > jerk forward ...... I have no idea.... any suggestions much appreciated > > cheers |
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