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1. Bleed coolant from system.
2. Disconnect negative terminal of battery.
3. Disconnect the 2 hoses going to the heater core, from the firewall. (Working from the engine bay)
4. Remove stereo head unit (Normally consisted of 4 blatantly visible screws securing the unit to the underside of dash)
5. Move stereo head unit to the side, or disconnect and set aside.
6. Remove ventilation passage ways. (Plastic tubes leading from heater assembly to vents) As well as the much larger blower passage, which can be found in the passenger floorboard closest to the firewall.
7. Remove all plugs/cords attached to heater assembly (The large plastic mass that seperates driver's side floorboards and passenger's side)
8. Remove the 4 nuts securing the heater assembly to the firewall.
9. Remove gauge cluster from it's housing by removing 2 screws in bottom corners.
10. Push gauge cluster aside and push on either side of the ventilation shaft to depress tabs on plastic vents. Remove both vents.
11. Pull heater assembly towards shifter, away from firewall until you have worked assembly far enough for the pipes of the heater core to clear the firewall completely. (Normally about 1-2 inches)
12. Remove entire assembly by maneuvering out the passenger's side floorboard and finally out of the vehicle.
13. Once out of the vehicle, locate heater core pipes, remove the 2 screws holding the heater core in place.
14. Pull the heater core out from left side of heater assembly.
To reassemble follow steps in reverse order.
---Just pulled mine out not 5 hours ago.
---1986 Isuzu Trooper II
Wiki User
∙ 14y ago
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What is the firing order for a 1986 Isuzu Trooper?
123456
Where is the temperature sending unit on a 1986 Isuzu trooper?
Check this Isuzu site: http://www.myisuzuparts.com/
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getting ready to put the motor from my 1989 Trooper into a 1986 Trooper II... will let you know how it goes!
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Your ECM is located underneath your glovebox. 1. Open glovebox and remove two screws at the rear corners of the compartment. (Should be just above the bottom surface of your glovebox) 2. Remove bottom section of glovebox. 3. Do what you will with the ECM that you have just revealed =] Have fun! ---Was removing my heater core when I came across the ECM by complete accident. ---1986 Isuzu Trooper II
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It may. depending on if the vehicles are 2 door or 4 door. if they are both 4-door models it should be totally fine. if the 86 is a 2 door I'm not sure. double check with measurements. NO, Different body lines, 2 and 4 door
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What is the problem? Do you want to replace fan or fan clutch?
Picture of 1986 Isuzu Trooper 2 engine?
Type your answe[IMG]http://i340.photobucket.com/albums/o354/AudacityX/1229091114a.jpg[/IMG]r here...
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Not practical to try to fix a heater core. Replace it with a new one.
