Question about 1998 Saturn SL
Keeps over heating, we have changed thermostat, water pump,reserve resivoure tank and cap,both censors,all hoses,and had the radiator checked and flushed.it still leakes water from somewhere we cant see because we have to keep filling it up. now it's starting to miss out really bad,and doesnt want to start can you please help me figure out the problem.
Pull the spark plugs and look down into the cylinders with a small bright flashlight, if the top of any piston is nice and clean and shiny and the others are not, you have a head gasket leak on that cylinder, it will be very obvious it will look like a brand new piston and the others will have carbon built up and deposits otherwise is your fan operating at all? do you have any heat from the heater? after the car is fully warmed up does the lower radiator hose get hot? please look into these things and get back to me i have seen on these cars many times the fan control circuit fails and the fans do not come on. You can run a ground wire to the fan relay under the hood and put a switch in the car to manually run the fans when it gets hot, i can explain how to do this if your fans are not operating please rate -jeff
Posted on Sep 04, 2008
Head gasket needs replacing. check your coolant reservoir while the engine is running, if coolant spurts out or bubbles out then your headgasket blown or your engine head may be warped.
Posted on Jun 06, 2009
I agree with all of the above on the problem the easiest symptom of a blown head gasket is a distinctive white exhaust from the car that smells like burning antifreeze and as the head gasket leaks more the more of this white smoke you will get and that would explain the missing of the engine the water is dilluting the gas mixture causing the cylinder to missfire. Hope this helps.
Posted on Nov 26, 2011
Sounds like a head gasket
Posted on Sep 04, 2008
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