The core removes the condensation that is created during the air conditioning process of cooling. I must replace it because the steel nuts are seized with the aluminum threads that connect the high pressure line to the evaporator core. The line twisted in half while trying to separate them.
Truck means what Pickup or surburban
I toss coin land on PU. truck.
old post
the service manual covers al this, on all cars made , just read it?
or just youtube it see others do so. costs is zero.
first hit YT
https://www.youtube.com/watch?v=glxlxnK_4Ls
and this gem
https://youtu.be/DNL3y5-Zj3g
learn to youtube first, get lucky , and gee lots of C1500 made, zillions
and you are not the first to ask. on vast forums.
if really frisky google it.
SOURCE: Fuel Pump Replacement
Most chevrolet models have the fuel pump inside the gas tank. to replace it, you will need to drop the tank... and you should see it on the top. BTW for safety sake... don't try this with a full fuel tank.
SOURCE: Broken Door Handle on 1998 Chevrolet C1500 PU
carefully use a screwdriver or chisel to pry the interior panel off of the door...it's thin, like an upholstered piece of hard board, held on by plastic ribbed push-studs, every so often. Those studs can be pryed out and pushed in to reinstall many times if you're careful but I did manage to break one on my truck. Of course there is also a couple of screws near the door handle as I recall but they are visible. A small piece of triangular shaped plastic must also be popped / pryed off of the forward window area. I'm drinking right now, but I think you may have to drill out a rivet to remove the old handle assembly but it is really easy, just pick a drill bit about the same diameter as the rivet and drill it till it falls apart. Install the new assembly with a pop rivet of your own. good luck
SOURCE: 1999 Chev Suburban 1500 with front and rear ac -
the truck has two evaporator cores one for the front unit one for the rear unit also two expansion valves, one for the front one for the rear.
check the large a/c line going to the rear unit if the line is warm with the A/C compresser running replace the rear expansion valve.
if the line is cold then replace the rear units blend actuator motor. if the frount unit is cold then most likely the blend actuator is the problem, remove the cover from the rear unit and you will see the actuator mounted on the side of the air handler box.
the best way to indentifie the unit is to buy one so you know what your looking for.
let me know if there is any thing else you need.
SOURCE: 2004 chevy silverado z71 quad cab. will not cool
1994 chev 1500 need to know what wire goes where
The heater housing is disassembled to get to the heater core.
Heater Core
The heater housing is disassembled to get to the heater core.
Heater Core
The heater housing is disassembled to get to the heater core.
Heater Core
The heater housing is disassembled to get to the heater core.
Heater Core 
The heater housing is disassembled to get to the heater core.
Heater Core
The heater housing is disassembled to get to the heater core.
Heater Core 145 views
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