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Q: tranny fluid mixing with oil on 1992 Pontiac Bonneville

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As I drive im gaetting a blue smoke from the tailpipe.... Is it possible that either the oil or trans cooler in the radiator leaking?? Does a 92bonneville have an oil cooler in thr radiator. Cause my oil level is going up and trans level down.
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The transmission oil cooler is in the radiator so that should not be the problem. Not sure if that transmission has a vacuum modulator if it does disconnect the hose see if it has oil in it if so the diaphragm is ripped and allowing transmission oil to be drawn into the engine. Could the piston rings or cylinder bore be damaged? Are the plugs oil fouled. A cylinder leakage test may be in order to tell the condition of the engine.
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