06 chevy uplander find and remove heater core

SOURCE: replacing heater core

you will have to remove dash and pull the heater/a/c box out to replace.it is a pretty in depth job

SOURCE: replace heater core 1994 chevy g20 conversion van

Here a are the instuctions to remove it. I did not know if you have A/C or not so I included both for you.

REMOVAL & INSTALLATION
Without Air Conditioning
ALL MODELS
See Figure 1

1. Disconnect the negative battery cable.
2. Remove the coolant recovery bottle.
3. Place a pan under the van and disconnect the heater intake and outlet hoses. Quickly remove and plug the hoses and support them in an upright position. Drain the coolant from the heater core into the pan.

1. Remove the heater distributor duct-to-case attaching screws and the duct-to-engine cover screw. Remove the duct.
2. Remove the engine cover.
3. Remove all the instrument panel attaching screws.
4. Carefully lower the steering column. Raise and support the right side of the instrument panel. Refer to for further details.
5. Remove the defroster duct-to-case attaching screws and the two screws attaching the distributor to the heater case.
6. Disconnect the temperature door cable. Carefully fold the cable back and out of the way.
7. Remove the three nuts from the engine compartment side of the distributor case and the screw from the passenger compartment side.
8. Remove the heater case and core assembly.
9. Remove the core retaining straps and remove the core.

1. Install the core.
2. Install the core retaining straps.
3. Install the heater case and core assembly.
4. Fasten the three nuts on the engine compartment side of the distributor case and the screw on the passenger compartment side.
5. Connect the temperature door cable.
6. Install the defroster duct-to-case attaching screws and the two screws attaching the distributor to the heater case.
7. Install the steering column.
8. Fasten all the instrument panel attaching screws.
9. Install the engine cover.
10. Install the duct. Install the heater distributor duct-to-case attaching screws and the duct-to-engine cover screw.
11. Connect the heater intake and outlet hoses.
12. Fill the cooling system.
13. Install the coolant recovery bottle.
14. Connect the negative battery cable.

1. Disconnect the battery ground cable.
2. Remove the engine cover.
3. Remove the steering column-to-instrument panel bolts. Lower the column carefully.
4. Remove the upper and lower instrument panel attaching screws. Remove the radio support bracket screw.
5. Raise and support the right side of the instrument panel.
6. Remove the lower right instrument panel bracket.
7. Remove the vacuum actuator from the kick panel.
8. Disconnect the temperature cable and vacuum hoses at the case. Remove the heater distributor duct from over the engine hump.
9. Remove the two defroster duct-to-firewall attaching screws below the windshield.
10. Under the hood, disconnect and plug the heater hoses at the firewall.
11. Remove the three nuts and one screw (inside) holding the heater case to the firewall.
12. Remove the case from the van. Remove the gasket for access to the screws holding the case together. Remove the temperature cable support bracket. Remove the screws and separate the case. Remove the heater core.

1. Install the heater core.
2. Assemble the case and fasten the screws.
3. Install the temperature cable support bracket.
4. Position the gasket, then install the case in the van.
5. Fasten the three nuts and one screw (inside) holding the heater case to the firewall.
6. Connect and plug the heater hoses at the firewall.
7. Fasten the two defroster duct-to-firewall attaching screws below the windshield.
8. Install the heater distributor duct.
9. Connect the temperature cable and vacuum hoses at the case.
10. Install the vacuum actuator at the kick panel.
11. Install the lower right instrument panel bracket.
12. Fasten the radio support bracket screw.
13. Fasten the upper and lower instrument panel attaching screws.
14. Fasten the steering column-to-instrument panel bolts.
15. Install the engine cover.
16. Connect the battery ground cable.
17. Refill the cooling system as necessary.

SOURCE: where is the fuse box in the 06 chevy uplander

I have a chevy uplander and you have to open the passenger door and its on the side of the dash, to the right of the glove box. You will notice a small rounf opening with just enough room for 2 fingers to go in. the whole side will come off when you pull it.

Jeffrey Turcotte

• 8991 Answers
• Posted on Sep 11, 2011

SOURCE: dyi instructions for removal/replacement of heater

Please let me know if you have any questions, and thanks for using FixYa.

1. Drain the engine cooling system.
2. Remove or disconnect the following: Negative battery cable and Heater hoses from the heater core
3. Remove the instrument panel as follows: .
   
   1. Set the parking brake and block the wheels.
   2. Disconnect the parking brake release cable from the parking brake lever.
   3. Unfasten the screws that retain the DLC instrument panel left side sound insulator. Feed the DLC through the hole in the sound insulator.
   4. Unfasten the right side sound insulator panel screws and remove the panel.
   5. Unfasten the screws that attach the instrument panel left side sound insulator to the knee bolster and cowl panel.
   6. Unfasten the nut that attaches the left side sound insulator to the accelerator pedal bracket.
   7. Unplug the remote control door lock receiver module electrical connector.
   8. Remove the door lock receiver module from the left side sound insulator. Remove the left side sound insulator.
   9. Unfasten the screws that attach the instrument panel center sound insulator to the knee bolster, instrument panel, heater assembly and floor duct.
   10. Remove the center sound insulator.
   11. Unfasten the screws that attach the courtesy lamp to the knee bolster.
   12. Unfasten the screws that attach the knee bolster to the instrument panel.
   13. Disconnect the lap cooler duct from the knee bolster.
   14. Unplug the lighter electrical connection and remove the knee bolster.
   15. Unfasten the steering column-to-instrument panel nuts and lower the column.
   16. Unfasten the screws that attach the instrument panel accessory trim plate to the instrument panel.
   17. Remove the trim plate and unplug all necessary electrical connection.
   18. Remove the heater and/or air conditioning control assembly.
   19. Remove the radio and the storage compartment assembly (if equipped).
   20. If necessary, remove the instrument cluster.
   21. Unfasten the left and right instrument panel pivot bolts and the panel lower support bolt.
   22. Unfasten the speaker grilles retaining screws and remove the speaker grilles.
   23. Remove the windshield defroster grille using a flat-bladed prytool. Start at one end of the grille and work your way down the grille.
   24. Unfasten the 4 instrument panel upper support screws.
   25. Tag and unplug all necessary electrical connections.
   26. Remove the instrument panel from the vehicle.
4. Remove or disconnect the following:
   
   Air inlet assembly, if equipped , Vacuum hoses Heater assembly studs, from inside the engine compartment, Blower motor resistor Stud from inside the heater case assembly; the stud is located behind the blower motor resistor Heater assembly-to-chassis screws, Heater assembly from the vehicle Access cover screws and cover from the heater assembly Heater core from the heater case assembly
   
   
   

   Fig. View of the heater case assembly
   
   
   
   

   Fig. View of the heater case cover
   
   
   
   

   Fig. View of the heater core
   
   
   
   

   Fig. Heater core mounting
   
   

1. Install or connect the following:
   
   Heater core to the heater case assembly, Access cover to the heater assembly and the cover screws, Heater assembly to the vehicle Heater assembly-to-chassis screws and torque them to 40 inch lbs. (4.5 Nm) Stud, working from inside the heater case assembly; the stud is located behind the blower motor resistor, Blower motor resistor Heater assembly studs, working inside the engine compartment, torque them to 17 inch lbs. (1.9 Nm), Vacuum hoses, Air inlet assembly, if equipped
2. Install the instrument panel as follows:
   1. Rest the instrument panel on the lower pivot studs.
   2. Attach the electrical connections.
   3. Install but do not tighten the 4 upper instrument panel support screws.
   4. Install the left and right panel pivot bolts. Tighten the bolts to 102 inch lbs. (11.5 Nm).
   5. Install the panel lower support bolt. Tighten the bolt to 102 inch lbs. (11.5 Nm).
   6. Tighten the upper support screws to 17 inch lbs. (1.9 Nm).
   7. Install the windshield defroster grille and the speaker grilles.
   8. Install the radio and storage compartment assembly (if equipped).
   9. If removed, install the instrument cluster.
   10. Install the heater and/or air conditioning control assembly.
   11. Attach the electrical connections to the instrument panel accessory trim plate.
   12. Place the trim plate in position and install its retaining screws. Tighten the screws to 17 inch lbs. (1.9 Nm).
   13. Place the steering column into position and install its retaining nuts. Tighten the nuts to 22 ft. lbs. (30 Nm).
   14. Attach the lighter electrical connection and the lap cooler duct to the knee bolster.
   15. Place the knee bolster into position and install its retaining screws. Tighten the Torx® head screws to 80 inch lbs. (9 Nm) and the hex head screws to 17 inch lbs. (1.9 Nm).
   16. Place the courtesy lamp in position and install its screws. Tighten the screws to 17 inch lbs. (1.9 Nm).
   17. Place the instrument panel center sound insulator in position. Install the screws that attach the center sound insulator to the knee bolster, instrument panel and the floor duct. Tighten the screws to 17 inch lbs. (1.9 Nm).
   18. Install the screw that attaches the center sound insulator to the heater assembly. Tighten the screw to 13 inch lbs. (1.5 Nm).
   19. Install the remote control door lock receiver module to the instrument panel left side sound insulator.
   20. Attach the door lock receiver electrical connection.
   21. Install the nut that attaches the left side sound insulator to the accelerator pedal bracket. Tighten the nut to 35 inch lbs. (4 Nm).
   22. Install the screw that attaches the left side sound insulator to cowl panel. Tighten the screw to 13 inch lbs. (1.5 Nm).
   23. Install the screws that attach the left side sound insulator to knee bolster. Tighten the screw to 17 inch lbs. (1.9 Nm).
   24. Feed the DLC through the hole in the sound insulator, place the DLC in position and install its retaining screws. Tighten the screws to 21 inch lbs. (2.4 Nm).
   25. Install the right side sound insulator and tighten the screws
   26. Connect the parking brake release cable to the lever
   
   
3. Install the heater hoses to the heater core.
4. Refill the cooling system.
5. Connect the negative battery cable.
6. Run the engine to normal operating temperatures; then, check the climate control operation and check for leaks.

ZJ Limited

• 17989 Answers
• Posted on Aug 24, 2012

SOURCE: Uplander LS How much coolant do I need after

Cooling SystemTotal Cooling System Capacity (qts) : 12.15

Source: chevrolet-uplander-4dr-ext-wb-fwd-ls