Question about 1996 GMC Sonoma

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1996 GMC Sonoma heater core

How do I replace the heater core on my 1996 GMC Sonoma?

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  • Anonymous Mar 16, 2014

    Help

  • Anonymous Mar 16, 2014

    How do I get to it

  • Anonymous Mar 17, 2014

    where is the heater control vavle on 1996 gmc jimmy

  • Anonymous Mar 21, 2014

    glove box light is burnt out

  • Anonymous Mar 29, 2014

    1994 GMC Sonoma ac won't cool. Gauge said pressure too high. Feels like it wants to cool.

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The dash has to come out

Posted on Sep 11, 2008

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1 Answer

1992 GMC Sonoma has no heat, replaced thermostat and water pump


make sure all air is bleed from the system then check the heater hoses by touching them they should feel the same temperature if not then the heater core is plugged and needs replacing.

Feb 05, 2015 | 1992 GMC Sonoma

1 Answer

NO HEAT IN MY 02 GMC SONOMA top heater core hose is cool to the touch but the bottom one is hot..just replaced the intake gasket and stat and got all the air out


I would suggest jacking the front of the vehicle as high as you can to get the trapped air in heater core out through the system and thats the only way I know of doing it air will rise to highest spot (radiator) when it is jacked up higher than heater core..........Providing you hooked up your heater hoses the way they were when you took apart.

Feb 09, 2012 | 2002 GMC Sonoma Extended Cab

1 Answer

Heater and ac stopped working 1996 gmc sonoma there is a clicking noise when i turn the fan low to high and also the same sound turning switch from off to different blower settings but no air comes out...


probly the switch is burnt-it happens when the blower motor gits old and draws too many amps---so replace blower at same time or else same issue again--and while u gut dashboard all apart inspect ac evaporator and heater core-theyr aging too

Oct 19, 2011 | 1996 GMC Sonoma

1 Answer

1995 gmc sonoma heater core removal, replacement. i need help removing the DASH.


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.
R/ Randy

Apr 14, 2011 | 1995 GMC Sonoma

1 Answer

How do I get to the heater core in a 92 Sonoma so I can replace it?


Hello there,

The heater core is in the middle of the dashboard, near the floorboards. To get to it, some of the plastic fascia must be removed. The fascia is held in place with screws and wire clips. Remove the screws first, then pop the wire clips. Slide the fascia out, and locate the rectangular heater core housed beneath it.

Best regards...

Jan 22, 2011 | 1992 GMC Sonoma

1 Answer

Replace heater core on a 94 sonoma


follow your basic instinct on this one ,thats how 99% of mechanics work

Oct 23, 2009 | 1994 GMC Sonoma

4 Answers

The heater still won't work after I changed the thermostat on my


Get a female garden hose adapter from the local hardware store. Disconnect the heater hose from behind the fan pulley and attach the hose connection. Disconnect the other heater hose behind the alternator, aim it towards the ground and flush water through the heater core. This worked on my truck.

Feb 12, 2009 | 1999 GMC Sonoma

2 Answers

NEED TO REMOVE DASH TO REPLACE HEATER CORE ON 1995 GMC SONOMA


yes you have to remove the whole dash assambly to replace the heater core..have fun i had to do mine twice.my new heater core lasted about 6 months.

Aug 01, 2008 | 1997 GMC Jimmy

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