Question about 1996 Mercury Tracer

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Sudden Engine Noise

I have a 96 Mercury Tracer that ran flawlessly, with not a hint of any problems. Last night I was sitting at a light and proceeded to go when it turned green. The instant I put my foot on the gas, the engine suddenly began knocking like I have never heard before and died on the spot. I tried to start the car, with no success. I checked all fluids and all looks good, no water, metal shards or nothing out of the ordinary in any of the standard checks. I pulled the timing belt cover to see if that was the problem and timing belt is intact but a bit loose it seems. I was told that the timing belt would not cause knocking like that even if it broke or slipped. Is that true? If it's not the timing belt that would cause that, what else would it be that would cause the engine to just suddenly start knocking crazy like?

Posted by wisrite on

  • whipnzip Sep 02, 2008

    My daughter drove her car about 10 miles and parked. It ran fine. After a couple hours visiting her sister she tried to start the car to leave. The engine started knocking under the valve cover as soon as she turned the engine over. I went and checked the car. The rockers that I could rech from the fill hole felt tight but it felt dry.. I assume the oil pump quit as there is plenty of oil in the engine and I could find no leaks. I checked vacuum lines, etc. but found no other reason for the racket. I have tried to find info online on where the oil pump is located in the engine and what it would take to replace myself or even how to get a fair estimate for repair cost, but all i get is adds to buy manuals. If the oil pump was replaced would it stop the racket or is the engine done? She is on a limited budget. Can you help?

  • derekfannin Dec 25, 2008

    Drove the car fine and then stopped by to see my wifes grandfather and after an hour visit came back to find that the car starts to a loud knocking noise coming from the passaner side of the engine.  The engine will start with this noise but cuts off as soon as i take my foot of the gas.  it will move ahead breifly but doesn't sound all too well.



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Check to see if the camshaft is broken

Posted on Aug 30, 2010


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