Wow what a job!! replace the heater core today in the truck took 4 hours start to finish I went by the instructions in issue 59 tdr page 90 they were spot on my local dodge dealer wanted 1100+ to do the job I did for 84 dollars for the heater core from napa and 30 for the new heaters hoses already had the antifreeze ONCE AGAIN THANKS TDR AND EVERYONE WHO ANSWERED MY POST ABOUT THE JOB.