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This is very difficult, it is under/behind the dash on the passenger side. You will need to remove the entire dash and still you will be swearing in sentences, I strongly suggest you let a shop do this, it will be worth it.
If you can afford to take it to a shop , then go for it . The labour cost will be brutal .If you can't afford it and you are mechanicly inclined and have the time , give it a go .I just changed the heater core on my 1993 GMC Suburban in my driveway .It took me 3 hrs and a little swearing and I did not remove the dash . You pull out the glove box completely and remove the bolt that holds the dash to right side of the cab .This will allow you to raise the dash up a few inches . Remove the screws that hold the cover in place to get at the core . The screws that are at the back against the firewall are a pain to get at . A screw holds a clip that fastens the core in place . Under the hood you will have to take the remove the two hoses from the core tubes and then gently remove the core from under the dash .Do everything in reverse to reinstall the new core .
What else can I help you with?
How do you change the heater core on a 1996 GMC half ton pickup?
The 1996 GMC half ton pickup truck heater core can be removed by removing the heater core retaining bolts. Remove the heater core water lines. Reverse the process to install the new heater core.
How do you change heater core on 2001 gmc pickup?
You should probably bring it to a mechanic because it is very difficult to replace the heater core on GMC pickups.
How do you replace the heater core on a 1993 GMC Sonoma Pickup 6 cylinder manual trans?
To replace the heater core on a 1993 GMC Sonoma Pickup with a 6-cylinder engine, start by disconnecting the battery and draining the cooling system. Remove the dashboard and the center console to access the heater core, taking care to label any wiring and components. Disconnect the heater hoses from the core, remove the mounting screws, and carefully extract the old heater core. Install the new heater core by reversing the steps, ensuring all connections are secure and the system is properly refilled with coolant.
How do you change the heater core in a 1998 GMC Sierra 1500?
You don't From, Gabe Higbee
How to replace a heater core in a 1992 GMC Jimmy?
I need to know how to replace a heater core in a 1992 GMC Jimmy?
How do you change a heater core in a 1997 gmc sonoma?
go to autozone.com. and click on the heater core part for your sonoma. then there should be an install manual button u click on on the page. i have a 98 gmc wit a heater core out also. i think the 97 models you just have to take off the dash.
How do you install a heater core in a gmc sierra 1500 4.3L v6?
how do you install a heater core for a 2003 gmc sierra 4.3l truck
How do you change a heater core in a 1997 gmc jimmy?
take dash board off the core is located driverside near floor board
How do you replace 2004 GMC sierra heater core?
I believe the heater core in that vehicle is located behind the dashboard.
Diagram of a heater core on 2001 gmc jimmy?
A diagram of the heater core of a 2001 GMC Jimmy can be found in the service manual. It outlines the location of all the components and how they are connected.
2000 gmc jimmy smoking from vents is it the heater core?
Yep and the core is a pain to replace.
Why doesn't the heater fan work on my gmc 2500 pickup?
Because it's broken...
