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98 s10 heater core location.
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The heater core in s10s is behind the main dashboard and it must be removed to access the core.
Discussion starter 1 aug 25 2009 edited i am in the process of replacing the heater core on my 98 s10.
On vehicles with a 2 2 l engine only remove the engine wiring harness bracket located at the rear of the intake manifold.
The heater core will be accessible thru the top of the air box.
The heater core in your 1998 chevy s10 blazer is radiator style unit used to heat the interior cabin of your truck.
The blower motor forces air through the core and into the air duct system allowing temperature controls which enable defrost floor and front vent modes.
Step by step how to replace heater core on 1999 chevy s10 pickup 1999 chevrolet s10.
Posted on jun 17 2016 helpful 0.
In this video i show y all s how easy it is to replace the heater core in your first gen s10.
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Remove the hvac module mounting nut located at the lower right side of the heater core to heater connection.
1994 to 2004 c.
The front dash panel can be removed by unbolting several screws at the bottom of the panel then pulling the panel away from the dash.
Check youtube for a video on flushing.
It is major repair for a seasoned mechanic to replace that core.
I removed the dash removed the blower box took a bit to find the hidden bolt behind the head to allow.
An attached fan forces heated air through the heater core fins and into the cabin when the heater is on.
The heater core is similar to the radiator located in the vehicle s cooling system.
Remove the hvac module mounting bolt located at the lower left side of the heater core to heater hose connection.
The most common cause of heater core problems is neglect cooling systems need to be serviced on a regular.
Engine coolant flows continuously from the lower radiator hose to and through the heater core causing the unit to heat.