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.
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.
SOURCE: 92 ISUZU TROOPER No speedometer or odometer
It should do unless the gauges or boken/loose wire was the original fault
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. :-)
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
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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