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  #1  
Old 01-14-2001, 05:50 AM
SteveJobs's Avatar
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Location: Hong Kong
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There are a few problems with my 92 190E recently.

- I smell some lubricate oil while I am driving. Why is that?
- The coolant lost very quickly. I fill the coolant reservoir and the coolant level warning light turn on after 100KM of driving. I cannot see any leakage immediately after driving, or after it park for a few days.
-There is a switch on the left of the gear swift. The switch has a symbol of a person when it is switch to the right. What is this switch?

Thanks




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  #2  
Old 01-14-2001, 06:14 AM
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You have an oil leak somewhere that drips on the exhaust. That's the only way you can smell it. It's either from the valve cover dripping on the manifold or your transmission fluid is leaking on the exhaust somewhere. Check both levels. Also check the rubber hose on top of the air filter housing that attaches to valve cover. Make sure it's attached properly and that there are no cracks.

Since you are loosing so much coolant, I suggest turning on the car and have it run while you observe for leaks. There must be a leak somewhere. Check all hoses and pay attention to bottom of water pump there is a small hole under the pump. If it's leaking you are going to need a new pump.
You can also see a trace of coolant from the hole if it's been leaking for a while. Also, make sure that the cap is in place.

The switch next to the shifter is for child protection. It prevents the rear windows from opening. I forgot which position is which. When you see the human figure it's suppose to be locked, I think. Try it.

Vin



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  #3  
Old 01-14-2001, 07:55 AM
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Steve,

Are you sure that you smell lubricate oil or is it possible that your heater's radiator is leaking (familiar problem with the W201) and you are smelling coolant (since your car is loosing coolant...)?
The switch is for (de)activating the power window switches in the back of the car. Switching to the dot (person visible) will deactivate the switches in the back and switching to the person (dot visible) will activate the switches in the back. When the switches in the back are deactivated the switches are (probably) not illuminated.

greetingz,

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  #4  
Old 01-14-2001, 08:08 AM
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That is another possibility. You should be able to distinguish burning oil from coolant. If not, then look for an oil leak or coolant leak without turning on the AC. Just so you wouldn't confuse condensation with coolant coming out of the AC drain. Also, check the heater hose next to brake booster. It attaches to the rear of the engine.

Vin
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Old 01-14-2001, 12:16 PM
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Location: Tribune, Kansas. I farm for a living. I fly R/C airplanes for fun.
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If you are losing coolant and can't really find it, I would think the head gasket is another possibility. We just got out Ford minivan back out of the shop for this very problem. The van never did leak that we knew of, although my wife drives it 99.9 % of the time. I always check the water level every month or so, and last time I checked, it was ok. A week or so after I checked, the wife says the heat is not working very well, so I check and it is out of water in the radiator. By the way, even though it was really low on coolant, the van never never showed that it was getting hot, must have had just enough to cool the motor, but not enough to heat the interior.

Maybe your engine is getting really hot and that is what you are smelling? Anyway, just trying to help.

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  #6  
Old 01-14-2001, 04:25 PM
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Get a read on the plugs. If you are burning oil in any substantial way, it will show. If coolant is leaking into one or more of the cylinders, that or those plugs will be cleaner than the others. Don't want to be pessimistic, but in the absence of any external leakage sounds like a head gasket. Try this..Start it up and let it idle, remove the cap from the expansion tank and when it's warmed up, punch the gas a few times. If you see bubbling or marked over flow, then you've got a leaking head gasket. Good luck..

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No matter what you fix, there will always be something else to fix..
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