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#1
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Compression fluctuation on #5 280CE
I have a 1980 280CE chassis # WDV 1230531209364 that is not firing on #5 I have changed wires, plugs and blown out the gas lines. While doing compression test it hit 150 then the engine started and the compression dropped between 30 to 60. I checked the others and they all stay at or around 150 while running. What could be doing this?
Thanks for all of your input!! |
#2
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bump..
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#3
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valve sticking on that cylinder??
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#4
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screwed up the value?
Not sure what bump is, but thanks for the reply.
Is there a way to tell if the value is sticking on that cylinder without taking the head off? We found a vacuum line between 5 and 6 that was broke. Fixed it, but the problem is still there. Could that have screwed up the value? Any other suggestions would be great. Thanks again for the help |
#5
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Quote:
__________________
John Shellenberg 1998 C230 "Black Betty" 240K http://img31.exs.cx/img31/4050/tophat6.gif |
#6
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bump..
bump..
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#7
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Need to figure this out
bump..
My son is coming home from school and I wanted to send him back in the 280. Will it hurt to run it without the #5. I really do not have the funds to rebuild this motor now. The mechanics here are talking about removing the heads. |
#8
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Bad injector or seal on #5
Vacuum leak on manfold gasket around #5 Fuel distributor not "distributing" to #5 - crack fitting at injector slightly and see if it is getting fuel Valves out of adjustment? Here's a post on the Vintage Forum that may be of help: 280C Running on only 5 Cylinders....HELP!
__________________
Chuck Taylor Falls Church VA '66 200, '66 230SL, '96 SL500. Sold: '81 380SL, '86 300E, '72 250C, '95 C220, 3 '84 280SL's '90 420SEL, '72 280SE, '73 280C, '78 280SE, '70 280SL, '77 450SL, '85 380SL, '87 560SL, '85 380SL, '72 350SL, '96 S500 Coupe |
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