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73-87 Chevy _ GMC Trucks => Interior & Equipment => Heating, Ventilation & Air Conditioning (HVAC) => Topic started by: Dan75k20 on February 08, 2015, 02:49:43 pm

Title: heater core
Post by: Dan75k20 on February 08, 2015, 02:49:43 pm

How hard is it to replace a heater core in my 75 k20

Title: Re: heater core
Post by: Dr_Snooz on February 08, 2015, 06:38:01 pm

Well, in my '86 it took a couple hours and I tend to take a lot longer to do things than most people. It's not a hard repair.

Title: Re: heater core
Post by: Irish_Alley on February 09, 2015, 06:52:01 am

trying to find a write up but cant. if you dont mind could you take pictures

Title: Re: heater core
Post by: Irish_Alley on February 09, 2015, 06:53:05 am

https://www.youtube.com/watch?v=LBJkELB1Lz4&feature=related

Title: Re: heater core
Post by: Dan75k20 on February 15, 2015, 08:22:47 pm

Thanks irish i figured it out now i am wondering if  i can install a plastic  heater box from a 81 and up in the place of the metal one

Title: Re: heater core
Post by: Captkaos on February 19, 2015, 08:30:04 pm

Mine has pictures of the replacement here: http://forum.73-87chevytrucks.com/smforum/index.php?topic=12120.msg243103#msg243103