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#1
10-03-2006, 10:32 PM
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vacuum lines missing
On a 5cyl turbodiesel, there are some vacuum lines missing from the sensor on the top rad hose housing connection to motor (thermostat housing?) and from a vacuum connector on the top/front of the valve cover. How do these connect? There's also a loose wire which looks like it would connect to a sensor also on the upper hose housing (not sure though). Where can I get a simple vacuum line diagram, or a picture of a 5 cyl TD engine that shows how these connect.
Could this be causing my coldstart stalling/rough idle problem? Apparently it could also be the cause of why the engine won't shut down sometimes when the key is turned off. Seems like I need to do some vacuum line maintenance! 
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#2
10-03-2006, 10:44 PM
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Quote:
I believe those are the vacuum lines to the EGR (exaust gas recirculation), an emissions device that fills your engine with soot. I disconnected the lines on mine and removed the black box on the valve cover, and so have many others here.
__________________
Ich liebe meine Autos! 1991 Mercedes-Benz 560SEL | Megasquirt MS3-Pro | 722.6 transmission w/ AMG paddles | Feind Motorsports Sway Bar | Stinger VIP Radar | AntiLaser Priority | PLX Wideband O2 | 150A Alternator | Cat Delete 1981 Mercedes-Benz 300SD | Blown engine, rebuilding someday... 1981 Mercedes-Benz 300SD | Rear ended, retired in garage. 2009 Yamaha AR230HO | Das Boot Excessive speeding? It ain't excessive till I redline!
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#4
10-04-2006, 03:02 AM
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It's hard to give you advice on such things...
... if we don't know the YR / MODEL / Engine etc for your MBZ.
Yes, there are things you can/should change but first give us a more positive ID for your MBZ! I'd like to make sure you have the correct Engine Vacuum Diagram as a reference and starting point before you start removing components. Best regards, Sam
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