Question about 1994 Chevrolet K1500

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Heater core on silverado

Replacing heater core on two thousand five silverado, do you have to take out dash to remove or can you access box without dash removal?

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You should have enough room to work by just removing the glove compartment door...

Posted on Feb 25, 2010

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1 Answer

Can I change heater core in 1989 s10 2.5 no air without taking dash out


The dash does not have to be removed for heater core replacement. Remove any paneling for heater box access and remove box assembly and change core. Flat rate time at a shop is about 1.9 hours to complete this repair

Jan 04, 2016 | Cars & Trucks

1 Answer

What is the process to putting in heater core in 1983 chevy silverado?


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 06, 2011 | 1983 Chevrolet Silverado

1 Answer

How do I best replace a heater core in a corsica 1995


You will have to drain all engine coolant.Disconnect your battery and your two heater core hoses that are on the fire wall in the engine compartment.Now inside the car start removing your dash.one dash is removed you will have to open you heater box to gain access to the heater core once you have gain access remove and replace.Now start replacing heater boxes dash board and reconnect heater core hoses and reconnect battery.Now top up your engine cooling system with the engine antifreeze drained you should have a extra jug of coolant in case you spilled or just needed it to top up.Now start car make sure coolant is full when cooling fans come on put rad cap on you have completed the replacement of your heater core.

Dec 27, 2010 | 1995 Chevrolet Corsica

1 Answer

How do i change the heater core on my 1999 chevy silverado 1500?


Inspect/Replace 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.

Dec 11, 2010 | 1999 Chevrolet Silverado 1500

1 Answer

How do you bypass the heater core on a 1998 Ford Bronco 2?


Disconnect both hoses from the core and one of them also from the engine. Hook the other one back to where you took one off, making a loop. The picture below is not a bronco, but gives you the idea.
By the way, your core is easy to replace. It almost pops right out from under the dash. I ahve included picture below.

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Remove and replace heater core procedures:

  1. Disconnect the heater hoses from the heater core tubes and plug hoses.
  2. In the passenger compartment, remove the five screws attaching the heater core access cover to the plenum assembly and remove the access cover.
  3. Pull the heater core rearward and down, removing it from the plenum assembly.

To install:

  1. Position the heater core and seal in the plenum assembly.
  2. Install the heater core access cover to the plenum assembly and secure with five screws.
  3. Install the heater hoses to the heater core tubes at the dash panel in the engine compartment. Do not over-tighten hose clamps.
  4. Check the coolant level and add coolant as required. Connect the negative battery cable.
  5. Start the engine and check the system for coolant leaks.

Nov 09, 2010 | 1988 Ford Bronco

1 Answer

Steps for replacing the heater core in a 1997 pontiac sunfire


This is a fairly easy fix.The steps are as follows:
  1. Disconnect the heater hoses under the hood.
  2. Go to passenger side under the dash remove the lower panel from the dash to access the heater box.
  3. Unplug any and all connections on the lower half of the heater box and remove the lower half of the box should be about six screws you should see the heater core and the evaporator core.
  4. Heater core skinnier of the two should have one or two straps holding it in remove the straps and remove the core and replace.

Nov 15, 2009 | 1997 Pontiac Sunfire

1 Answer

Have to replace the heater core on a 1997 Pot.


This is a fairly easy fix. Disconnect the heater hoses under the hood. Go to passenger side under the dash remove the lower panel from the dash to access the heater box. Unplug any and all connections on the lower half of the heater box and remove the lower half of the box should be about six screws you should see the heater core and the evaporator core. Heater core skinnier of the two should have one or two straps holding it in remove the straps and remove the core and replace.

Oct 05, 2009 | 1997 Pontiac Sunfire

3 Answers

The heater corps in my truck went out


To replace the heater core in that model truck you will need to remove the whole dash, steering colum. Then discharge the A/C and remove the heater/a/c case. It is a time consuming job and difficult without the proper tools and info. If you are going to attempt this then be sure to disable the air bag system by disconnecting the battery for at least 10 min. before you start working. Good Luck

Jun 22, 2009 | 2002 Chevrolet Silverado 1500

1 Answer

Removing the heater core from 2000 silverado


When I replaced the heater core on my 95 Suburban, I seem to remember having to disconnect the A/C lines on the firewall for the evaporator. There were also several nuts to remove on the engine firewall side from studs on the heater box that pass thru the firewall. It is definately a lot of work.

Good luck.

Jan 10, 2009 | 2004 Chevrolet Silverado 1500 Crew Cab

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