I love a story with A HAPPY ENDING! Congratulations! On Mon, Jan 3, 2011 at 12:23 AM, David Bruckmann < bruckma...@transcontinental.ca> wrote:
> A few weeks ago I posted my suspicions re: the timing chain in my 300D. > Both before and after I installed a new chain, the cam was running about 18 > degrees (at the crank scale) late. This measurement happens to coincide with > the length of one chain link. > > While it was most likely that the chain had skipped, I was concerned that > possibly the vibration damper/timing scale had sheared or had otherwise > become inaccurate because of someone's previous wrenching. > > This afternoon I used my new (from ZDmak) timing "whistle", which is > inserted into the spark/glow plug hole, to confirm the timing of #1 piston > TDC. While helpful, the whistle obiously isn't very precise because there's > decreased movement of air as the piston nears TDC. As a double-check, I also > verified start of delivery on the injection pump. Both the whistle and the > IP suggested that the timing scale was probably reading correctly, and that > only the cam was off. > > I removed the cam sprocket and moved the chain by one tooth to advance the > cam timing and voila, everything lines up perfectly now. TDC at the > crankshaft is showing exactly TDC at the cam. > > And the verdict after a quick test drive: huge improvement. The idle is > MUCH quieter, less smoke and more power. I wish I'd done this much earlier! > > D. -- > OK Don 2001 ML320 1992 300D 2.5T 1990 300D 2.5T 1997 Plymouth Grand Voyager _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
