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Isuzu Trooper



  • When driving the car runs unconstantly, like misfiring petrol engine, and the dealer carage could not find out what the problem is. If I step a little on the trottle the engine runs fine, but when the car has reached constant speed it starts to stall again. The car is 5 gear manual. Any ideas..............................
  • Hi, I have a 98 3.5L 4x4 Isuzu Trooper and the other day on the freeway I heard a loud bang and a little bit after that my front left tire jammed. I pulled over and got it towed. I took off the front wheel and checked and one of the two bolts that attach the suspension systems to the break/wheel assembly is missing. I imagine it snapped and that is the loud noise I heard. I can easily replace the bolt but I am worried it will happen again and there is a bigger problem. Talking to some people they told me it is probably the caliper. I got brake pads and rotors changes a few weeks ago and I had no problem until now. What do you think? Any suggestions on what I could do/check? I would like to take it to a mechanica knowing what the issue is so they cannot rip me off claiming it is something big. Thank you in advance for your help,
  • Could someone give me a couple of good links for an online parts source for my 84 trooper? Some of the common ones I've tried like JC Whitney don't really seem to carry many parts for my truck. Right now I need a heater core and rear axle bearings.
  • atfdmikeatfdmike Posts: 414
    The best and fastest source I have found for OEM Isuzu parts is Jerry LeMond, who is a retired Isuzu technician. He bought tons of parts from closing Isuzu dealers and ships fast and cheap too. If you know your part no. that helps, but he can help you figure it out too so send him an email with your year, model and what you are looking for and he will shoot you a price.

    If you want to try an online place with quality parts but not necessarily OEM, then Rock auto is pretty good but ships expensive.

    HTH One guys opinion
  • serranotserranot Posts: 113
    Jerry has been very good to me with both new and used OEM parts. I buy from him without research because (a) I always get what I need; (b) the prices are more than reasonable; and (c) he provides free tech support!
  • Thank you for your help.
  • Can anyone describe the location of the Trans Mode Switch p/n 8-96017-511-0 on a 1998 Trooper?
  • atfdmikeatfdmike Posts: 414
    edited March 2010
    It is on the shifter input shaft of the transmission. It is on driver side, . It has a pretty big wire harness hooked to it and has to be adjusted correctly for the trans to work right. this link should take you to an image of what it looks like . you can also search for it on HTH One guys opinion.
  • Thanks for the illustration. Do you know what is a reasonable time or charge for installation? I was quoted 2 hours or $200 for installation by Pugmire Isuzu in Marietta, GA. Can you describe the work involved? Thanks again. FYI - Jerry Lemond, as mentioned above, stocks the switch.
  • atfdmikeatfdmike Posts: 414
    To be honest, I do most of my own work, so I can only guess as to why they would tell you two hours. Put your truck on a hoist, remove the part, which entails removing a nut from the shaft, mounting bolts and the harness clips and unplugging connector. Little harder to install, reverse the above and then it has to be adjusted, driven to make sure shifter lights and shift lever agree and that trans behaves normally.
    Two hours is a tad high but barring unforseen problems it sounds pretty typical for a dealer, especially if you are not buying the switch from them! Hope this helps!
  • carlboy1carlboy1 Posts: 1
    edited March 2010
    car with 200000 miles on it. started bucking ,changed s. plugs (80k on them). oil was in the plug tubes?? ram ok for 1 day then started dying, but wold re start. last time had hard time starting, when wood start rpm gauge would respond jumping with engine missing (all cyl) local shop cant find any thing wrong? good men also!
  • arkblujarkbluj Posts: 1
    while driving our suv we had to slam on the brakes and the cel light came on .took it to autozone and it shows two codes;p1404 and p0402 one is egr valve stuck and the other says egr system fault,any ideas on how to check it out ?for some reason Haynes and Chilton dont make manuels for this generation of trooper
  • budermbuderm Posts: 9
    i was just wondering if anyone knew where to find a pdf or document showing all the maintenance points on the troopers. I have the trooper manual, and the first section has the maintenance schedule, but that mainly shows the major fluid changes and the typical items, but i'm more interested in items such as grease fittings etc. Those are not shown, and i really have no clue how many are on the trooper and how often to perform maintenance and what grease, etc. any help would be appreciated. Thanks.
  • Thanks again for your help. Purchased switch from Jerry and had it installed by mechanic he recommended. Also had ABS problem fixed. Trooper shifting & stopping like new again.
  • Jerry is great!!
  • mall0ymall0y Posts: 2
    I have an 89 trooper. I drove it this morning fine absolutely no problems. I came home and parked it and the went to drive it again. Push in the clutch while its in first and there is no response. Its as if I hadn't pushed the clutch in at all. There is no resistance at all and the pedal goes straight to the floor without engaging. What could be causing this problem? Its an 89 isuzu trooper. Why would it go from working perfectly to not even engaging only a few hours later? There is no grinding or anything unless I try to force it into gear. Please help.......
  • nap123nap123 Posts: 2
    Hello loloBH92 ,

    Do you already successfully upgrade your power window switches from 1992 to 1995- 2002 switches?

    I also want to upgrade my 1992 power window switches. Can you help me if this is possible or not.

    Thanks a lot
  • nap123nap123 Posts: 2
    Hello 94troopers,

    Can you help me? I also want to replace my power window switch 94 to 98. Can you email the step procedure you do, any documentation manual steps by steps.

    my email address is

    Thanks in advance
  • atfdmikeatfdmike Posts: 414
    After 94 or 95 Isuzu went to a different design for the switches on the Trooper. The 94 connector does not mate with the later model window connectors. I have not heard of anyone being able to adapt the later switches themselves to the earlier switches. If you are talking about switching the whole trim assembly from the later to the earlier, that may be possible, but you will still have to match the wiring connectors up somehow. You can go to and enter your info (or info you want) and look at the is a great site. HTH
  • tidestertidester Posts: 10,059
    It could be as simple as a loose cable or as bad as a broken clutch cylinder. Have you had a mechanic look at it yet?

    tidester, host
    SUVs and Smart Shopper
  • I have a 1991 6-cyl Trooper. For much of the last months I have had cooling problems which led to adding water without coolant. I replaced the radiator awhile back and just had my water pump replaced when the bearing died and a new radiator cap as the one I had didn't keep pressure. Two days later I blew a small (but large enough) hole through the wall of the approximately 2" thick cast piece between the water pump and the motor. Inside this piece it was corroded and worn thin at both the holes where the water goes into the motor. I am now very worried that my motor must look the same inside because the same water went through it. But I am hoping maybe it could be electrolysis that caused the one part to go bad and the motor might be ok. Is this possible? The car runs and sounds good.
  • dmassdmass Posts: 2
    i just bought a 95 trooper. it is in excellent condition except that the only (power) door lock that works is the driver's. any ideas on an easy fix?

    also, anyone know of a place/way to purchase/install a remote keyless entry. this model doesn't have one.

  • Hi there,i had the same problem and purchased a system from META,Bought it on ebay and it was not to bad to fit it,not only locks and opens all doors but is also a full closure alarm system,Not sure of the current price but have a look for one,regards GERRY
  • dmassdmass Posts: 2
    did you install yourself? was it easy? it works even though the other door locks dont? can't find it on ebay.
  • budermbuderm Posts: 9
    hi everyone,

    I have a 2000 trooper Automatic, TOD, and had some issues with my transmission and most of them are resolved now. The only thing I notice is that it gets extremely warm (never warm enough to get the trans temp light on). For some reason I may think that I have accidentally reversed the hoses to/from the radiator to the transmission. I labeled them but I just have that feeling maybe I have them reverse.

    Does it matter? and if so, can someone look at their lines and tell me where the back cooling line from the tranny goes to - either the right or left hose of the inlet to the radiator (towards the bottom). the front cooling line would obviously go to the other hose.

    Thanks a bunch

    back of the tranny being exhaust and front being engine
    right being passenger side, left being drivers side

    Also - has anyone installed an extra cooler? thanks
  • atfdmikeatfdmike Posts: 414
    Trans runs normal from 190 to 220 range. Hi Temp light comes on about 285 or so. I cant imagine how much extremely warm is. As far as the trans cooler inlet and outlet, it does not matter, heat exchanger works either way in radiator.I added a cooler to mine, no big deal. Kits are available at part stores and online. Opinions vary on whether to put cooler before or after the radiator. I have heard of it being done both ways...but important to NOT bypass the radiator. HTH One guys opinion.
  • windfastwindfast Posts: 2
    Isuzu Trooper Automatic box 3.2 SOHC that can change the Isuzu Trooper 3.2 DOHC? It's the same? I found transmission from a Trooper 3.2 SOHC. I can put on my car Trooper 3,2 DOHC ?
  • atfdmikeatfdmike Posts: 414
    edited April 2010
    The Trooper transmission is the same for the same model years 93 and up...EXCEPT you have to remember that the TCase is part of the unit and later models were available with TOD, so as long as you get one without TOD, it should swap in with no problems. Same trans regardless of SOHC or DOHC. Flex plate changed to six bolt mount from the three bolt early models...not an insurmountable problem, just grab the flex plate too. HTH One guys opinion.
  • uel1uel1 Posts: 3
    I have a 2000 Trooper LS 4WD. It had been running rough and i recently changed the spark plugs and ever since, I've gotten a PO300 code. I took it in to a local Mechanic and he told me it was the fuel pressure regulator, which made it run much better but I still have the code. I've changed the plugs again and the MAF is good, but I still get the code. It comes on soild at idle, and flashes around 2,000 RPM's, but I do not feel or hear a miss. Also, I have confirmed that there is not a vacuum leak. Any ideas? I've run out of them. I want to avoid just swapping out parts.

  • budermbuderm Posts: 9
    Just wondering, what spark plugs did you buy and use in it? I bought some a while back from the part store, that "fit" the trooper but I got the same code.. you have to use the correct ones.
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