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#1
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White smoke in exhaust but no overheat
For a couple days, I noticed my 1993 300CE "radiator" light was illuminated on my dash. I topped up, and was fine for a couple days. Suddenly on starting up last morning, my tail pipe started spitting out white smoke and would not stop even though I drove about 15 minutes. The overflow tank was empty when I checked it, however I never ran hot. No oil in overflow tank either.
What can this be?
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Turboman 1993 300CE Garnet Red Eibach Springs 18x8.5 ADR M-Sport wheels (Hyper Silver) Metal Master brake pads Semi-gloss black front grill insert |
#2
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Sounds like a head gasket - coolant is leaking into a cylinder. Compression/leakdown test and cooling system pressure test can confirm. Suggest you stop driving it until the problem is corrected. Coolant leakage into a cylinders will eventually damage the wall, and at that point it will get A LOT more expensive.
Duke |
#3
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I think it does that when a German Pope is selected. Sorry, couldn't resist.
MP
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1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine) 1988 F150 144,000 miles (leaks all the colors of the rainbow) Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra |
#4
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Once and Done
My water pump was leaking and I added water every time the light would come on. I didn’t drive more than about 5 or 10 miles at a time until I could get the water pump fixed. My car never overheated, but I suppose it would have if the water level ever became too low.
Your car probably won’t overheat until the fluid gets to low, but I think you do have to hurry and get it fixed. It is definitely a bad idea to let you car continue to burn the radiator fluid. I think you can get all kinds of deposits around the aluminum head and then it may have to be machined to get it straightened out. I think you will just add to the expense, if you continue to drive the car. From what I have read about improvements in the gasket design, it sounds like the head gasket fix is a once and done job, so just figure it will be good for 200,000 or 300,000 more miles once you get it fixed.
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I just couldn't give up on my 1995 E320. I think it might be like always going back to that same bad relationship with an ex girlfriend. You feel you love them too much, or you are just too stupid to know any better. Flickr slideshow of my 1995 E320 http://www.flickr.com/photos/24145497@N06/sets/72157616572140057/ |
#5
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I would bet that you have a leaking head gasget. Try holding a kleenex in the exhaust stream... if it disolves > you have water vapor coming out the exhaust... which means there is coolant getting into the compustion chamber>> which means blown head gasget.
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#6
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Quote:
Quote:
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Don't wait too long to stop the leak, as the coolant in the combustion chamber is not going to do good things to rings and valve seats. It will eventually find its way into the oil lubrication system, with equally not-good results. Best Regards, Jim |
#7
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Had this problem a couple years ago and changed head gasket. That time there was oil in coolant tank, overheated but no white smoke from exhaust.
My mechanic seems to think this time may be a cracked head
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Turboman 1993 300CE Garnet Red Eibach Springs 18x8.5 ADR M-Sport wheels (Hyper Silver) Metal Master brake pads Semi-gloss black front grill insert |
#8
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Quote:
did you have to replace the water pump too? what causes blown headgasket; how can it be prevented? |
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