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08-24-2009, 05:11 PM
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W124 D200 (overheating,injection & valve timing)
W124 D200 (overheating,injection & valve timing)
Hello everyone here anyone could help me with the setting of the injection pump for W124 D200 overheating and valve timing with the injection timing ??? this car is for my close friend and I was thinking to help him but I guess I screwed up ! firstly the problem was getting overheating just after starting the let it run for about 20 minutes the gauge jumps up and if I drive soon it passes 90 so I checked the radiater ok thermostat OK belt tension OK water pump OK so I flush the engine to get rid of any blockage items and even I was thinking that there might be air blocked inside and I put water again and let the cap of the expansion tank out and I start the engine without athermostat just to check and still getting overheated very quickly I expect the trouble is the cylinder head gasket because once I start the the engine the water jumps out from the expansion tank but there is no oil in the expansion tank and no compression leak and once I accelarate no more water flashing out anyway I checked the valve timing and I find out that piston no1 was seted to 15 BTDC and when I checked the timing through the internet I found out that no1 is 15 but ATDC so I took out the radiater and took out the valve cover turn the crankshaft but couldn't get my 15 ATDC I got just 5 or 20 ATDC maybe the timing chain needs to reduce I don't know so the camshaft is alighned with the timing mark and I set it to 5 ATDC then I loosen the chain tensionerand I took out bolt of the camshaft gear sprocket and moved away the gear from the camshaft and I turn just crankshaft clockwise to 5 ATDC and and I put back everything in position and I start the engine first didn't start but shortly start and the sound of the engine is very roughly so I moved to the second step and I set to 20 ATDC also start but after I loosen the 3 mounted bolts of the injection pump and I turn the adjusting screw left to advance but again the sound of the engine vey roughly and has white smoke and I think I heard something like piston knocking so I stoped direct the engine and returned to the old valve timing which is 15 BTDC but now because I turned the adjusting screw I screwed myself and didn't get the old stable running engine even after I adjust back the adjusting screw and now I have a white exhaust smoke and the engine is running very rough . this is my story I don't have the position sesor RIV to set the start opening of the no1 outlet of the injection pump thanks for reading love to see some replies from the experts regards 
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