2005 CHEVROLET AVALANCHE Engine Problems

CLUSTER GAUGE IS NOT READ PROPERLY ALL READING ARE ALL OVER THE PLACE.

CYLINDER HEADS CRACKED DUE TO POOR CASTING (KNOWN ISSUE BY GM). THIS LED TO COOLANT IN THE ENGINE CAUSING DAMAGE TO LIFTERS. EXPECTED COST TO FIX IS APPROXIMATELY $1,500 IN PARTS UP TO $4,000 IN LABOR.

ON 12/22/12 @ 5PM- SHORTLY AFTER ENTERING ONTO THE FREEWAY, I STARTED LOSING POWER. I DIDN'T GET HIGHER THAN 50 MPH BEFORE THE RPM STARTED INCREASING & MY SPEED STARTED DECREASING. I GOT OFF THE FREEWAY, AT THE FIRST EXIT, APPROXIMATELY 2MINS AFTER THE BEGINNING OF THE LOSS OF POWER. FOUND A MECHANIC THAT WAS JUST CLOSING HIS SHOP & ASKED HIM TO GIVE A QUICK CHECK TOO SEE IF I COULD CONTINUE MY DRIVE HOME, 32MINS AWAY. THE MECHANIC CHECKED UNDER THE HOOD & UNDER THE BOTTOM & GUESSTIMATED THE PROBLEM TO BE THE FLYWHEEL. THE MECHANIC ALSO RECOMMENDED NO DRIVING TIL REPAIRED. I GOT MY AVALANCHE TOWED HOME THAT FIRST NIGHT. I TOWED IT TO MY LOCAL AUTO REPAIR SHOP ON 12/24/12, TO GET A FULL DIAGNOSTIC. I WAS ADVISED BY MY LOCAL MECHANIC THAT MY 2005 AVALANCHE W/ 96319 MIS, NEEDS A NEW TRANSMISSION. MY LOCAL MECHANIC...