Questions & Answers for: GMC Sonoma heater core

Question about 2000 Sonoma Extended Cab

1 Answer

...heater core on a 2000 gmc sonoma, I have removed alot of pieces of the dash, how do I get it so I can move it to remove the heater core ? the entire dash assembly must be removed from the vehicle to ...

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Question about 2003 Sonoma Extended Cab

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...heater core coolant control valve and associated remote control mechanism. Chech heater coolant hoses are not kinked or crushed, Check that both inlet and return heater hose is equally warm, as this ...

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heater dont work. water pump is not leaking.heater core is not leaking.the truck heats up so the thermastat isnt stuck. The heater core is either clogged or the water inlet valve in stuck.

...heater core device. The heater core has ruptured, thus causing the coolant that flows through this device to leak out onto the cabin floor. The core is mounted under the dashboard, on the passenger ...

heater core, but lines arent plugged on a 1995 gmc sonoma. Why is the hot air not flowing through heater core loop? This is what I did to solve the exact same problem.I got a pump that you can hook to

Question about 1993 Sonoma Club

1 Answer

heater core replacement and tricks? I need to re[place my heater core. Can I access the heater core cover w/o completely dismantling the Dash? I see there is an access panel in my glove box. and most ...

Question about 2003 Sonoma Extended Cab

2 Answers

...heater core and flushing water through with a garden hose at low pressure. If the vehicle has the 4.3L engine these are quite prone to heater cores plugging up. Would try flushing the heater core ...

...heater core If it is necessary to remove the heater assembly, the cooling system must be drained before removing the heater core. When a heater core leaks, a new heater core is installed or the old ...

Question about 1992 Sonoma

1 Answer

...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 ...

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

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