Question about 2004 GMC Sonoma
I am trying to get to the heater core on my sonoma but i cant get the dash out.. all of what do i need to take out of the dash for it to come out?
If the dash is removed you've saved about 9 10ths of the job endurance. Look around, what you believe to be, the perimeter of the heater box. I cannot, and no one else can, tell you exactly where the bolts and nuts that mount the heater box are. Therefore you must viually sixe the box and check outide in the engine compartment and inside under the dash for the mounting bolts.You'll want to start by removing the heater hoses. Then starting at the passenger side engine compartment look for a group of 10mm or 7/16ths nuts retaining the housing and remove them. Do the same inside. The housing is usually held together with screws or clips, it changes year to year. Keep a log or pix of the wires and cables and hoses(vacuum) that are connected to the housing for reassembly. You'll need to "roll" the box out from under the dash depending on how much of the dash has been removed. The core is easy to spot for is has two hoses sticking out, and, is encircled with clips or screws . Also make sure you remove the bracket around the two entry hoses if it has one. Thank you, Dana
Posted on Oct 04, 2009
SOURCE: 1995 gmc sonoma heater core
About the heater core, in the manuel I bought at Auto zone, it gives all the steps and bolts necessary to unloose. The dash will swing out at the bottom, don't forget to remove the bolts under the speaker covers.
Posted on Apr 20, 2011
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