Stuck EGR will produce copious smoke, funky clatter (not like injector knock, softer) and lousy performance. Test by unplugging the vac line to the EGR. Usually idles OK, but falls down flat on application of pedal, goes away at speed.
Peter On Aug 12, 2007, at 9:33 AM, Kaleb C. Striplin wrote: > speaking of clatter etc. Some may remember I posted a while back I > have > a SDL that clatters louder than a 617 and has alot of black smoke. I > figured it was injectors and so did others. Ordered new injectors from > Rusty and installed them. Clatter seems to be down, smoke for the most > part seems to be down but it still has black smoke more than I would > like at times. Did/does this when under mild/heavy throttle. Now it > doesnt seem to do it all the time but some times/alot of the time. > What > else could cause black smoke like this? Air filter is new. Timing? > EGR? > > dave walton wrote: >> My experience has been that diesel clatter is caused by weakening of >> the spring in the injector. That causes it to fire at a lower >> pressure. Eventually it injects the fuel so prematurely that it >> ignites while the piston is still on the upstroke. >> >> -Dave Walton >> >> On 8/11/07, John M McIntosh <[EMAIL PROTECTED]> wrote: >>> Well since my 500SEL is busy having a rebuilt transmission installed >>> I was forced to cart four people across the rockies up the Coquihalla >>> Highway 5 to 8% grade for nearly 3000 feet of altitude in the 92 >>> wagon. For reference the OM603 will only do 75 mph flat out up the >>> 8% grade, water temp rose from 85C to 100C. That and another 500 >>> miles of mountain driving and 250 miles of flat land. >>> >>> After all this my wife noticed the clatter is *much* louder at idle, >>> much more clatter/bearings bouncing/burbling kinda noise. >>> >>> I wondering if I knocked loose lots of carbon (mind our normal >>> driving over the last 40K miles has been highway), and it's causing >>> all >>> this racket? Well that or blew a exhaust gasket (don't think so) or >>> muffler joint. >>> >>> PS Saturday night in a unnamed rednecked city, never seen so many >>> chipped dodge ram 3500s. When they stomp the throttle at the >>> intersections, billowing clouds of black diesel smoke, same on the >>> highway, mind at 80 mph it's lots of roar and smoke, not much >>> acceleration, no need to check blind spots you sure can hear them. >>> >>> John >>> 1983 300TDt 385k Kilometers (mobil 1 Delvac) >>> 1990's 300TDt 202k Kilometers (mobil 1 Delvac) >>> 1993 500SEL 194k Kilometers (mobil 1 Delvac) >>> >>> >>> >>> _______________________________________ >>> http://www.okiebenz.com >>> For new parts see official list sponsor: http://www.buymbparts.com/ >>> For used parts email [EMAIL PROTECTED] >>> >>> To Unsubscribe or change delivery options go to: >>> http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >>> >> >> _______________________________________ >> http://www.okiebenz.com >> For new parts see official list sponsor: http://www.buymbparts.com/ >> For used parts email [EMAIL PROTECTED] >> >> To Unsubscribe or change delivery options go to: >> http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >> > > -- > Kaleb C. Striplin/Claremore, OK > 94 E420, 92 300D, 92 250D Turbo, 92 300E 4Matic, (2x) 91 300D, > 90 420SEL, 89 560SEL, 89 260E, 87 300SDL, 87 300TD, 85 380SE 5.0 > Euro, > 81 240D, 81 380SLC, 80 240D, 76 240D, 76 300D, 72 250C, 69 250 > http://www.okiebenz.com > > _______________________________________ > http://www.okiebenz.com > For new parts see official list sponsor: http://www.buymbparts.com/ > For used parts email [EMAIL PROTECTED] > > To Unsubscribe or change delivery options go to: > http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > _______________________________________ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
