Question about Chevrolet C1500

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Bad heater core 2001 chevy c1500

Need to know the total procedure for removing the dash

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Disconnect the battery negative. Remove the radio, air conditioning control panel, measuring instruments, remove 4 bolts that attach the steering column at the bottom of the dash has a tube that is clamped by two screws to remove this tube is divided into that part of the steering column remove that section of the tube to the steering column complete fall on top of the dash carries cristalhay nearly three screws to remove and so the dash is free and can be moved. down. we have to download or pick up the 134A freon air conditioning system to remove the air filter off the liquid line to disconnect the water hoses that enter the calentador.Ahora remove the screws holding the case where the evaporator and the heater is We can get out and disassemble the box to get the heater

Posted on Aug 02, 2009

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No need to take the dash off un do the lines and take the 6-8 screws out of the caseing to get to the heater core

Posted on Aug 02, 2009

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Heater core replacement 98 chevy S10 2.2L engine


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How do you change the heater core in a 2001 chevy suburban?


You must remove the dash to get to the heater box, which also needs to be removed to get to the heater core.

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The heater system for 1994 Chevy c1500 4.3L engine: how is it hooked up?The heater system for 1994 Chevy c1500 4.3L engine: how does the reverse water pump work?


cooling_diagram.jpg
This is a general idea of how your system works, your heater core is basically a secondary system, your system needs aprox 14lbs of pressure to operate properly, if there is a blockage, your radiator cap is faulty or you are low on coolant you will not get any flow to your heater core thus will not get any heat and could damage your engine, you can get your system tested, and usually if you have a bad water pump you will leak coolant through a small hole in the bottom of the water pump. It is designed to do this so you know it is going bad before you get complete failure however it does not always happen. I hope this helps you

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1991 C1500 Sport


There is a vacuum controlled actuator under the dash that opens a door exposing the heater core to the vent system. Sounds like the door isn't opening. Check your vacuum lines under the dash..

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1 Answer

How do you change the heater core in a 2001 chevy 1500


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 one repaired.
Heater Housing
  • The heater housing is usually under the dash and must be removed to gain access to the heater core.
  • Procedures for replacing the heater core vary with the year, make, and model of car. It threfore necessary to consult the manufacturer's repair manuals for the proper procedure for replacement.
f74-01.gif The heater housing is disassembled to get to the heater core. Heater Core
  • Remove the access panels(s) or the split heater/air conditioning case to gain acess to the heater core.
  • Remove the heater coolant hoses.
  • Remove the cable and/or vacuum control lines (if equipped).
  • Remove the heater core securing brackets and/or clamps.
  • Lift the core from the case. Do not use force. Take care not to damage the fins of the heater core when removing.
  • To reinstall the heater core, reverse the removal steps.
When the heater core leaks and must be repaired or replaced, it is a very difficult and time-consuming job primarily because of the core's location deep within the firewall of the car. For this reason always leak test a replacement heater core before installation.

Jan 09, 2011 | 2001 Chevrolet Silverado 2500

1 Answer

Im replacing the heater core in 2001 jeep cherokee...i have the dash off down to fire wall...all screws are out of bottom heater box but I cant remove the bottom of box to get to heater core...what am I...


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 one repaired.
Heater Housing
  • The heater housing is usually under the dash and must be removed to gain access to the heater core.
  • Procedures for replacing the heater core vary with the year, make, and model of car. It threfore necessary to consult the manufacturer's repair manuals for the proper procedure for replacement.
f74-01.gif The heater housing is disassembled to get to the heater core. Heater Core
  • Remove the access panels(s) or the split heater/air conditioning case to gain acess to the heater core.
  • Remove the heater coolant hoses.
  • Remove the cable and/or vacuum control lines (if equipped).
  • Remove the heater core securing brackets and/or clamps.
  • Lift the core from the case. Do not use force. Take care not to damage the fins of the heater core when removing.
  • To reinstall the heater core, reverse the removal steps.
When the heater core leaks and must be repaired or replaced, it is a very difficult and time-consuming job primarily because of the core's location deep within the firewall of the car. For this reason always leak test a replacement heater core before installation.

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How do i replace the heater core on a 2001 chevy silverado 2500


pull the dash off theres the heater core on passenger side theres a inlet and outlet hose pull both off remove mountin bolts install new one reassemble dash

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Need location of the heater fan for a 1990 chevy c1500


your fan should be on the passenger side just under the dash just on the right side.

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Replacment of heater core on 01 chevy S-10


Have replaced my heater core in my 2001 regular cab 4wd in december 2009. Had to pull the complete dash including the complete metal dash behind the dash that you see. Also had to remove the right passenger side inner fender well to acess the remaining two bolts that hold the heater core cover to the firewall. Its an insane job to do but the repair shop books call for 9 1/2 hrs to do the job. I'm not an expert but this is what it takes.

Mar 01, 2009 | 2001 Chevrolet S-10

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