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#1
10-13-2011, 04:20 PM
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240D: Hard to describe effect, getting underway smoothly in 1st gear.
Even harder to search for.
Hello Folks, My son is now the recent new owner of a nice 1981 240D with manual gearbox. We think the car has 141,000 miles as a best guess. We notice it’s hard to start off smoothly in 1st or for that matter, backing up in reverse. As you rev up the engine and let out the clutch, some of the engine’s energy seems to go into the body or suspension as sort of a twisting or wind up motion. Sort of like the body/suspension absorbs what should be forward motion and releases it a bit later which makes for a sensation of slightly lurching or galloping forward. It makes it hard to start off smoothly and its enough of an effect that I’m thinking that if fixed, the car’s acceleration (ha –ha) off the line would be more brisk. The car has brand new motor mounts and brand new rubber donuts (guibo’s?) at the front and rear of the driveshaft. The driveshaft itself was replaced not too long ago by the previous owner though I don’t know why. The mechanic who installed the donuts for me when we first got the car a few months ago thought the center driveshaft bearing was fine, same for the transmission mount. I believe he also thought the rear diff mount and subframe mounts were OK. But I’m not absolutely certain about those last two. So what do you think? Is this a common complaint? Is it likely to be some rubber part? Could it be a weak clutch/pressure plate? Anyone heard of this before? Many thanks Curt 
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