I recently had the front pump replaced on my '88 300E, with a new gaskets, filter, fluid... Ever since then, when shifting from 2nd to 3rd gear, the trans feels like it is slipping until the RPMs climb to 3000 and then it catches into the next gear. If I accelerate to where the 2-3 shift occurs above 3000 RPMs, there is not hesitation or slipping feel. Is there something that is out of adjustment? I don't believe the trans is going out on the car, for example, if I floor it and engage the kickdown from 1st gear, it will sometimes squwak the tires shifting from 1st to 2nd.
Any help would be appreciated.