Question about 1994 Mitsubishi Montero

2 Answers

Think my seals on my pistions are gone

Have a 1994 montero with 197k on the odometer. recently changed my oil and noticed some heavier then normal smoking coming from the exhaust. Live in ST Thomas with not one flat road around so the engine gets worked pretty hard going up the hills. Yesterday noticed that i wasnt getting full power when excelerating and when i stepped hard on the gas a huge puff of smoke and a hard metallic clanging sound came from the bottom of the car. cant really get the car above 2000 rpms with out it smoking and making the sound. any advice

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  • mikeysurfer2 Dec 28, 2008

    the oil is the same one that i always use and the filter is the correct one to. the oil level was full yesterday before this all happened. how much is the cost of an engine rebuild for this engine in this car?

  • Mike Butler
    Mike Butler May 11, 2010

    Do you use a different oil? Right filter? Double check level of oil is up to full?

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  • Mitsubishi Master
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Hate to say it but, it doesn't sound good but, being how I'm not right there to hear it, I have to advise you to take it to a shop or 2 and let them hear it & give you the news. If engine shot, get estimate for rebuild, but also shop around your area & internet for possibility of getting a used, low mileage engine too. Sorry, wish I had better news, let us know what they tell you.

Posted on Dec 28, 2008

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  • Master
  • 948 Answers

From your description it sounds like your engine needs to be rebuilt. Is it blue smoke? If so, that is burning oil and means your piston rings are allowing oil into the combustion chamber resulting in lower compression and less power. The metal clanging sound indicates a bearing has failed and as you continue to drive will do more damage, possibly rendering your remaining parts in the engine unusable.

Posted on Dec 28, 2008

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