Question about 1999 Dodge Grand Caravan

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3.3L engine jumped timing

144,000 miles and running great, the one driving vans describes hearing a mechanical sound , bang, clang something like that and since these symptoms, #1 lots of smoke from tailpipe not blue smoke and not oil burning smell, smells like normal exhaust , looks gray/whitish cloud of "smoke". (lots of unburnt fuel , also some oil being sucked from top of head when piston downstroke and valve is open)
#2 engine cranks quickly and stays running barly, running on a few cylinders, vibrates badly. (firing order wrong since out of mechanical timing"
#3 alot of crankcase pressure, through dipstick and out of crank vent hose, seems like some suction too, feels like pressure and suction, and sounds that way like an air compressor sound out of the valve cover (valves to pistons out of timming)
#4 knocking sound especialy when engine low rpm almost quits running (labour knock) ( out of time)
i want to buy the van i think if timing chain jumped and valves hit pistons then different symptoms most likely engine would have have quit running instantly

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Sound like compression ring gone pressure goes in oil if noise i dont think it worth to fix that motor a good second hand one there gone engine normally hope it FIXYA our problem thanks pierre

Posted on Jul 05, 2008

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honda quote, pasted.
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