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Anonymous Posted on Oct 21, 2014

HOW DO YOU REMOVE THE HEATER CORE IN A 1992 ISUZU TROOPER

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Frederic Hilnbrand

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  • Contributor 34 Answers
  • Posted on Oct 26, 2014
Frederic Hilnbrand
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Joined: May 28, 2009
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You must remove the complete heater core and a/c evaporator from under the dash. It goes from the center of the dash to the passanger side of the dash. You have to remove the glove box, remove the heater hoses, vac. lines to the controlers. Bolts that hold the unit to the firewall. Also must remove small vents at bottom of the dash. Would be much easier if you would just tell me what area you are having problems with. After you are done you will have to recharge your a/c system. This is not a job for a novice.

  • Michelle Newton
    Michelle Newton Jul 31, 2016

    Hi, my husband is needing to know how to get the heater core assembly out of his 92 trooper. everything is done up to this point. It moves but there's not enough room to get it out... any ideas.

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5 Related Answers

Anonymous

  • 8 Answers
  • Posted on Sep 19, 2008

SOURCE: 1992 isuzu trooper 3.2 DOHC

I had the same trouble with my 93 Trooper.

I went on a sensor-changing spree.

The one sensor that fixed this idle problem was the throttle position sensor.

You can get one here.

Throttle Position Sensor

It's very easy to change, and fixes the problem instantly.

Good luck.

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Anonymous

  • 426 Answers
  • Posted on Dec 14, 2008

SOURCE: 92 ISUZU TROOPER No speedometer or odometer

It should do unless the gauges or boken/loose wire was the original fault

Anonymous

  • 1 Answer
  • Posted on Jan 04, 2009

SOURCE: alternator belt diagram 1992 Isuzu trooper

1. Remove battery terminals and secure them away from the battery posts using nylon wire ties.

1a. Fine some comfortable eye glasses (clear or yellow) and keep them on. There are plenty of opportunities to get debris in your eyes during this procedure.

2. Spray "PB Blaster" (loosens bolts) on two bolts that secures alternator.

3. Jack-up vehicle on side to access alternator. Use a jackstand to support.

4. Using a 10mm open-ended wrench, loosen the bolt that swings the alternator. Screwing the bolt "in" or toward the engine will allow play to increase in the alternator belt. Loosen the 12mm bolt slightly next to the 10mm bolt (approximately 1.5" toward engine).

5. Continue to loosen 10mm bolt until there is enough slack in the belt to remove the belt from the alternator pulley.

6. Remove belt. It may be possible to remove belt without removing fan faring. Maybe not. If not, you will need to remove plastic fairing. If you must remove fair, go below fan fairing and disassemble connectors that hold together pieces of fan fairing. Carefully remove.

7. Install alternator fan from above.

8. Check that alternator belt is on all tracks (from below with a flashlight), and slowly tighten.

9. Secure 10mm and 12mm bolts. Recheck tightness.

10. Reassemble battery connection and run vehicle at idle for about 5 minutes. Check belt for proper tension.

11. CAREFULLY check tension of belt. Or disassemble battery connections and re-check belt tension.

12. Reassemble fan fairing (if not already assembled), re-connect battery terminals, and have a nice day. :-)

Anonymous

  • 1 Answer
  • Posted on Mar 30, 2009

SOURCE: Starter removal - 1994 Isuzu Trooper

pull the starter away from the bellhousing and turn the drive end upwards then it will come out from the engine compartment tight i know but i have just done mine so i know it will come

germcelchar

Charles McElchar

  • 389 Answers
  • Posted on Sep 28, 2009

SOURCE: how do i remove cv axle for a 98 isuzu trooper

Go to my profile I have just explained how to change a cv boot on a Trooper. The axle needs to be taken out to change the boot so the same solution. What you call an axle I have refered to as a drive (short for driveshaft) It takes a lot of explaining so save me a lot of writing if you read the solution I gave for changing the CV boot. Cheer's

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Where can I get a Heater Core for a 1992 Isuzu Trooper?

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take the glove box out. then disassemble the HVAC box. once the center portion is out or loose you can remove the heater core.
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Heater Water Control Valve REMOVAL & INSTALLATION On early models the heater control valve was part of the heater core inlet. To replace the control valve, remove the heater core as outlined in this section. Remove the control valve from the heater core, being careful not to damage the core. Use new gaskets when installing new valves. The remainder of the vehicles are not equipped with heater water control valves. They use heater unit doors to regulate the amount of heat entering the vehicle. --- I would check that both tubes running to the heater core are getting hot. If they are, then there is a blend door problem. If both tubes are not getting hot, the heater core is blocked somewhere or the heater control valve, if so equipped, is in need of replacement. Good luck on this repair. prev.gif next.gif
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How to bypass heater core on a 1995 isuzu

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How do you remove the heater core in a 1996 Isuzu Trooper

STEPS TO REMOVE HEATER CORE IN 1996 ISUZU TROOPER
  1. Remove battery cables.
  2. You have to remove the upper dash pad on this paticular year model. with a 10 mm socket and a 1/2 inch extension remove the 5 retaining bolts. Remove the blower assembly under the passenger side of dash.
  3. Remove passenger side seat and center counsole.
  4. Drain radiator.
  5. Disconnect hoses from now exposed heater core.
  6. Turn it 180 degrees and slide out.
  7. Replace in reverse order.
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How to remove/instal a heating core on the isuzu trooper?

Removal
  1. Disconnect the battery ground cable.
  2. Drain the engine coolant.
  3. Discharge and recover refrigerant (with air conditioning).
  4. Remove heater unit.
  5. Remove duct.
  6. Remove case (Mode control) and do not remove link unit at this step.
Remove case (Temperature control) separate two halves of core case
  1. Remove heater core (1).
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  1. Pull out the mode door while raising up the catch of the door lever.
Installation
To install, follow the removal steps in the reverse order, noting the following point:
  1. Check that each mode door operates properly.

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Where is heater core exactly

the heater core is under the dash, in the center, and is the hardest place imaginable to access.  This is one of the hardest and most time consuming items you can remove from any car.  Sometimes you have to disassemble the entire dashboard. Good luck. 
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Yes it is a heater core leak, here is how to change it.

Remove battery cables. you have to remove the upper dash pad on this paticular year model. with a 10 mm socket and a 1/2 inch extension remove the 5 retaining bolts. remove the blower assembly under the passenger side of dash. remove passenger side seat and center counsole. drain radiator. disconnect hoses from now exposed heater core. turn it 180 degrees and slide out. Replace in reverse order.
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