Question about 1984 Mercedes-Benz 190
I began to lose oil recently and last night the car started to buck and the engine began to feel strange. I pushed in the clutch because it felt like the engine was taking off and it began to rev like crazy. I pulled over and waited for the engine to pop and it just settled back down. It did this several more times over the course of an hour drive. I began to use the tranny to bring the engine revs down, which worked to get me home on Christmas eve, but there is something really wrong. The other strange thing I noticed is the brakes seem really hard and at the top of the pedal stroke. I'm going to go snoop around to see if I can see anything wrong. I'm looking forward to any help here.
The reason I brought up a vacuum problem is because you said the brakes were hard. A vacuum problem would not make the engine tach up but it could and will make your brakes hard. I don't think any kind of sealant will work on that high compression ratio diesel engine and I'd hate to see you waste 70.00. Is the car running OK now? Are you sure the oil is coming from the head gasket and not the valve cover gasket. I am very familiar with the OM616 Mercedes engines and I would like to help you out. Did you manually open the throttle linkage by hand under the hood and watch it return to its stop?? Check the linkage manually and make sure it goes stop to stop.
Posted on Dec 25, 2008
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