Question about 1999 Chevrolet S-10 Pickup

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Time frame on replacement of a heater core on 91 s-10 4x4

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I did this recently on a 1989... it took between 1 & 2 hours.

Posted on Jan 04, 2009

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4.3V6 vin z with a/c...........3.3 hours

Posted on Dec 02, 2008

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2005 saturn l300 replace heater core


hope u have time to do this ,should take 6 to 8 hrs to do,first study ur dash board because it has to be disconnected from frame n lifted up and the steering wheel needs to be lowered down to get to the case that holds ur core,then slowly un bolt all caseing bolts should be 4or5- 8mm n 2- 10 mm

Feb 07, 2012 | Cars & Trucks

1 Answer

I need an advice on how to replace the heater coil on my 1990 honda accord


( heater core) disconnect the cable from negative battery terminal, from engine compartment disconnect the temperature control cable from the temperature blend door and the mounting bracket from the top of the heater case. Disconnect wires from blower motor resistor and the blower motor. Drain the coolant from the radiator into some type of container. Disconnect the heater hoses from the heater core tubes on the engine side of the firewall. Now working in the passenger compartment, remove the nuts retaining the left end of the heater case and the right end of the plenum to the dash panel. Working in the engine compartment, remove the screw retaining the top center of the heater case to the dash panel. Remove the screws retaining the right end of the heater case to the dash panel and remove the heater case assembly from the car. Remove the screws, nuts and bolts retaining the heater housing plate to the heater case, then remove the heater housing plate. If so equipped, remove the screws attaching the heater core frame to the heater case and remove the frame. Remove the heater core and seal from the heater case.

Dec 25, 2011 | Cars & Trucks

1 Answer

Heater core removal how much work & time


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 04, 2011 | 1998 Chevrolet S-10 Pickup

1 Answer

How can i get to my heater core to replace it on a 86 cadillac fleetwood 5.0


BROUGHAM

1. Disconnect electric-al connectors at blower motor, compressor cycling switch, power

module and radio lead-in connections.

2. Remove righthand windshield washer nozzle.

3. Remove righthand secondary air inlet screen from plenum.

4. Partially remove rubber molding above plenum.

5. Remove remaining screws and the primary inlet screen.

6. Remove blower motor.

7. Remove two screws securing compressor cycling switch to module and position

switch out of way.

8. Remove AC module cover attaching screws and the cover.

9. Disconnect heater hoses at heater core.

10. Remove screw and retainer holding heater core to frame top.

11. With temperature door in max. hot position, reach through temperature housing and

push lower forward comer of heater core away from housing, then rotate core

parallel to housing.

12. Remove heater core.

13. Reverse procedure to install.

Dec 23, 2010 | 1986 Cadillac Fleetwood

2 Answers

Time to replace heater core


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 10, 2010 | 2002 Jeep Grand Cherokee

2 Answers

Heater core replacement


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 02, 2010 | 2003 Ford Crown Victoria

1 Answer

Is the heater core on a 1981 bronco in the engine compartment or the cab compartment


in the cab, but procedures are different depending on whether or not you have A/C. See below

1980-81 Comfort Vent Heaters, Without Air Conditioning
  1. Disconnect the heater hoses from the heater core tubes and plug the hoses with suitable 5 / 8 inch; (16mm) plugs.
  2. Remove the glove compartment liner.
  3. Remove two (2) spring clips attaching the heater core cover to the plenum along the top edge of the heater core cover.
  4. Remove eight (8) screws attaching the heater core cover to the plenum and remove the cover.
  5. Remove the heater core from the plenum taking care not to spill coolant from the core.
To install:
  1. Install the heater core in the plenum.
  2. Install the heater core cover (eight (8) screws and two (2) spring clips along the top edge of the cover).
  3. Install the glove compartment liner.
  4. Connect the heater hoses to the heater core. Tighten the hose clamps.
  5. Add coolant to raise the coolant level to specification.
  6. Check the system for proper operation and for coolant leaks.

1980-81 Standard & High Output Heaters, Without Air Conditioning
  1. Disconnect the temperature cable from the temperature blend door and the mounting bracket on top of the heater case.
  2. Disconnect the wires from the blower motor resistor and the blower motor.
  3. Disconnect the heater hoses from the heater core and plug the hoses with suitable 5 / 8 inch; (16mm) plugs.
  4. Working under the instrument panel, remove two (2) nuts retaining the left end of the heater case and the right end of the plenum to the dash panel.
  5. In the engine compartment, remove one (1) screw attaching the top center of the heater case to the dash panel.
  6. Remove two (2) screws attaching the right end of the heater case to the dash panel, and remove the heater case from the vehicle.
  7. Remove nine (9) screws and one (1) bolt and nut attaching the heater housing plate to the heater case, and remove the heater housing plate.
  8. Remove three (3) screws attaching the heater core frame to the heater case and remove the frame.
  9. Remove the heater core and seal from the heater case.

To install:
  1. Position the heater core and seal in the heater case.
  2. Install the heater core frame (3 screws).
  3. Position the heater housing plate on the heater case and install the nine (9) screws and one (1) bolt and nut.
  4. Position the heater case to the dash panel and install the three (3) attaching screws.
  5. Working in the passenger compartment, install two (2) nuts to retain the heater case and plenum right end to the dash panel.
  6. Connect the heater hoses to the heater core. Tighten the hose clamps.
  7. Connect the wires to the blower motor resistor assembly.
  8. Connect the blower motor wires.
  9. Position (slide) the self-adjusting clip on the temperature cable to a position approximately one 1 inch; (25.4mm) from the cable end loop.
  10. Snap the temperature cable on the cable mounting bracket of the heater case. Then, position the self-adjusting clip on the door crank arm.
  11. Adjust the temperature cable.
  12. Check the system for proper operation.

Oct 05, 2010 | 1981 Ford Bronco

1 Answer

How do i take the heater core out of my 81 f150


Disconnect battery ground cable. 
Disconnect cable from temperature blend door and the mounting bracket from top of heater assembly. 
Disconnect blower motor and resistor electrical connectors. 
Disconnect and plug hoses from heater core. 

Working under instrument panel, remove 2 nuts on 1980---81 models, or 3 nuts on 1982---87 models, attaching left side of heater assembly and right side of plenum to dash.

On 1980---81 models, remove screw attaching top center of heater assembly to dash. On all models, remove 2 screws attaching right side of heater assembly to dash, then lift heater assembly out of vehicle. 

Remove heater housing plate attaching screws, nut and bolt and the plate. On 1980---82 models, remove 3 heater core frame attaching screws and the frame. On all models, slide heater core and seal out of heater assembly.

Reverse procedure to install. Good Luck and hope this helps

May 02, 2009 | 1981 Ford F 150

3 Answers

Heater core metal line to rear heat


need to change cooling lines for 2003 kia sedona,need diagrams

Dec 30, 2008 | 2003 Kia Sedona

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