Question about 1994 Isuzu Rodeo

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Need instructions to replace 1994 Rodeo heater core

Need to replace leaking heater core

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  • Marc Podeszek May 11, 2010

    I can download this to you with specific instr go to collsionrepairadvice.com

  • Anonymous Mar 16, 2014

    Need to replace heater core

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  • 3,533 Answers

Try autozone.com to see if they have your car listed for diagrams pictures and step by step instructions if your car is not listed then try your local library they have all the car manuals and even copy them for you

Posted on Mar 12, 2009

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1 Answer

How do i bypass the heater core


LOOK at the firewall under windshield engine side ,u will see two hoses coming out of firewall does are the heater core hoses, follow them going to the engine, once u locate where they are connected in the engine just connect does two ends with other hose same type and disconnect, remove or cut the hoses in the firewall side, this is how u bypass the heater core it will be no water going inside the core so the leak will stop

Aug 22, 2012 | 1994 Isuzu Rodeo

1 Answer

1994 Caprice LS. Little to NO heat.


It will be the heater core. If you can smell it inside the car and it's steaming up the windows the core will need to be replaced. Remove the heater core housing and check to make sure its leaking from the core itself. You might get lucky and have a leak from the hoses running to core instead. Hope that helped.

Nov 17, 2011 | 1994 Chevrolet Caprice Classic

1 Answer

How do u replace a heater core in a 1994 chevy g20 conversion van


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 23, 2010 | 1994 Chevrolet G20

1 Answer

Where is the heater core located on a 1994 Lincoln Town Car?


behind glove box!
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 | 1994 Lincoln Town Car

1 Answer

I just discovered a small coolant leak underneath my 2000 Rodeo. What could this be from? It seems to be coming from an area behind the engine.


check the heater lines which run behind the engine
the rubber hoses may need to be replaced or the heater core is starting to leak also check in the top of the engine to see if there is antifreeze up on to could be a radiator hose or thermastat gasket

Mar 08, 2010 | 1998 Isuzu Rodeo

1 Answer

I need instructions on how to replace a heater core in 1994 Grand am


Removal & Installation
  1. Disconnect the negative battery cable.
  2. Drain and recycle the engine coolant.
  3. Raise and safely support the front of the vehicle.
  4. If necessary, remove the rear lateral transaxle strut mount.
  5. Detach the drain tube, then disconnect the heater hoses from the core tubes.
  6. Carefully lower the vehicle.
  7. Remove the console if equipped.
  8. Unfasten and remove the sound insulators, console extensions and/or steering column filler, as required.
  9. On some models it may be necessary to remove the steering column opening filler.
  10. Remove the floor or console outlet ductwork and hoses.
  11. Remove the heater core access cover.
  12. Unfasten the heater core mounting clamps/bolts, then extract the heater core from the vehicle
To install:
  1. Install the heater core, then secure using the clamps/bolts.
  2. Fasten the heater core cover.
  3. Connect the outlet hoses and ducts.
  4. Install the sound insulators, console extensions and/or steering column filler.
  5. Raise and safely support the vehicle.
  6. Install the drain tube and connect the heater hoses to the core tubes.
  7. If removed, install the rear lateral transaxle strut mount, if removed.
  8. Carefully lower the vehicle.
  9. Connect the negative battery cable.
  10. Fill cooling system and check for leaks. Start the engine and allow to come to normal operating temperature. Recheck for leaks and check coolant level. Add if necessary.
If your good with tools, this should take about 3 hours to do from start to finish. Good luck and keep me posted.

Nov 04, 2009 | 1994 Pontiac Grand Am

1 Answer

Heater Core leaks


You can get a Chilton Manual from your Library. The Chilton has Better Instructions than the Haynes Manual. Please Rate my Solution, I need all the Help that I can Get! Thanks!

Jan 29, 2009 | 1994 Oldsmobile Cutlass Ciera

2 Answers

1994 Isuzu Rodeo 3.2L V-6 leaking coolent from somewhere in between the engine and fire wall


There is a coolant passage that connects the two heads. The gaskets need to be replaced. The transmission needs to be raised up from the back in order to repair.

Dec 16, 2008 | 1994 Isuzu Rodeo

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