PeachParts Mercedes-Benz Forum - View Single Post

JamesDean · #9 02-24-2012, 06:57 AM

Try disconnecting the vacuum line to the transmission and then go for a drive.

If your transmission shifts firmly through all the gears and shows no signs of slipping/flaring then you have determined the problem is vacuum related. Too much overall or too much at the wrong time.

If your transmission shifts firmly through one gear or two but not all then the problem is internal and you're next step is likely to purchase a Superior Shift Kit for 722.3/722.4 Transmissions

I believe you have either a 722.315 or 722.416 you'll have to verify that you have a .3 or .4 unit. I'm not sure if the kit works on .1 transmissions. But since your working on a 82 model 300D/SD I'd think you're in .3 or .4 territory.

The shift kit will replace other springs in the transmission that will help with slip/flaring and a host of other issues. I had similar issues with my gold SD. It was not the B2, thats been replaced already.