Dose any know how to get to the heater core on a 1986 GMC Suburban?

[blackpanther26]

My dad can't seem to get the dash apart to change a shot heater core on his 1986 Suburban. Dose any know how to get to it?

 

[Ubrales]

Try ALLDATA for detailed instructions

 

[beaverbanker]

A k5 has the same setup:

http://coloradok5.com/heatercore.shtml