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i would check under the hood at the firewall to see if somebody bypassed the heater core ( re-routed the hoses)
alot of people will do that if the heater core starts leaking since it costs a couple of bucks to bypass but hundreds to actually fix
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∙ 16y ago
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How do you change the heater core on a 1999 Chevy Blazer?
You have to completely remove the dash to get access to the heater core.
How do you fix a heater that quit on a 1999 Chevy Tracker?
When you have the heater on, does it just blow any air at all? or no air?
1999 Chevy Silverado doesnt blow and heat what is the problem?
if it doesn't heat your heater core is most likely clogged and if it doesn't blow at all then the blower is messed up.
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The heater coil is located behind the dash board. You will have to remove the dashboard to get at the heater coil
How do you change the heater core on a 1999 Chevy 4 wheel drive?
To change the heater core on a 1999 Chevy 4-wheel drive, first remove the dashboard and drain the coolant. Unbolt the core from its mounts and remove the dash panel to be able to change the heater core.
1999 ranger heater fan only runs on high setting how can you diagnose problem?
heater resister is bad
How do you replace heater core on 1999 Chevy Express van?
take your vehicle to a licensed mechanic
What would cause you to lose heat in your 1999 Chevy silverado if your thermostat and heater core are both good?
Your heater relay switch may be bad
How do you change a heater core in a 1999 Z71 Chevy Does it have an access panel?
The 1999 Chevrolet Z 71 heater core can be accessed by removing the passenger side kick panel. Remove the heater core water hoses. Remove the heater core retaining bolts. Reverse the process to install the new heater core.
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Zip tied to the passengers side battery wiring harness.
Where is the heater core in a 1999 Chevy silveraldo?
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Location of heater core for 1999 Chevy Tahoe?
Probably behind the glove box passenger side front
