Check your tranny fluid, too, and do a tranny service if one hasn't been done recently.
I blew a tranny cooler line on Sat, fortunately as I was picking elderberries so I was close to home and not on the highway. After replacing the lines and doing the tranny service, I filled it back up with Mobil 1 synthetic ATF (all seven quarts!), and my shudder on acceleration was gone.
I suspect I had a leak for a while -- oil puddles at work where I park, etc, so I think the tranny was low on fluid and the torque converter wasn't full, causing the shudder.
I drove it into the garage, and it acted almost normal, but nothing came out of the pan when I pull the dipstic tube off, and there wasn't but a cup or so of fluid in it when I dropped the pan. Torque converter was nearly empty, and I was getting air out of the cooler line......
1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!