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Isuzu Owners Maintenance and Repair



  • I got new oem brake pads today for my 02 trooper and will put them on this weekend. My question is about the two tubes of stuff that came with each set of pads. One tube looks like some sort of grease ( for the caliper slides I presume) and the other tube has some orange adhesive looking material inside. There are also several plastic shims and metal clips that I'll probably figure out when I take the old ones off But some advice would be nice before I start. Just wondering if someone could look in there maintenance manual and describe the replacement procedure to me. Thanks.

  • paisanpaisan Posts: 21,181
    The adhesive stuff is anti-squeel put it on the shims between the calipers and the shims.


  • russ4russ4 Posts: 1
    I have a 91 Trooper with the GM V6. Recently I have been having intermitent trouble with the transmission. After driving for a while, the "check transmission" idiot light comes on, and when it does, if I stop at a stop light, the car won't engage first gear, it starts out in second. If I turn off the engine for a while, the problem goes away.


    Anyone know what's going on and how I can fix it and how much it might cost? Thanks much. -R
  • I have a 91 pickup that has just gone over 100K miles. The other morning I started the truck and got a warning light for the Rear Anti Lock Brakes and the Brake Warning light. Nothing seems to be wrong, the brakes still work fine. Where is the sensor for this, and what can be done about it?
  • Just as a follow up, I took the truck to a mechanic who hooked up his computer to it. It was an electrical anomaly that was caused by a bad taillight. He disconnected the battery negative lead for 30 seconds, and then re connected it. The lights cleared.
  • sxponiasxponia Posts: 1
    the same happened to my 93 trooper. I had changed the computer a while ago and changed my transmission recently and the light still came on. someone told me the computer was bad, which meant $1000 expense. I was not about to spend that amount. I and unscrewed and disconnected the computer cable connector from the main computer box under the steering and reconnected it after a minute of wait. I should have disconnected the battery also but I was too lazy. It's been 4 months and have not seen the light ever since. hope this helps.
  • 99 Trooper with same TOD check light problem as bluedevils. TOD check light blinks periodically. Green light blinks slowly. Red check light comes on sometimes. Rear brakepad changed and rear brake line bled, but still blinking. Checked brake fluid and the level is fine. This is the same problem that bluedevils was having in 2004. Can someone suggest what I should do?
  • bluedevilsbluedevils Posts: 2,554
    Wait and hope the warning lights stop blinking eventually! Seriously, I don't know what the problem was with my Trooper. It has been an off-and-on situation with our Trooper.
  • I was told that I needed to replace this gasket or seal that is inbetween the tranny and engine. The cross-memeber that is there has oil on it, as does other parts around it, but they told me it was about $1200.00. They told me that the tranny had to be pulled back, and drive shaft had to be taken apart in order to replace the seal. Has anyone done this? I have a 1996 Rodeo, 2wd, automatic, 3.2L engine. I live in Fayetteville, NC and work on Fort Bragg if anyone is in the area let me know. I have access to the post Skill Shop that has lifts and tools, etc. I don't mind getting dirty and do it myself, but if someone would be willing to give me a hand that would be appreciated.
  • ryhyryhy Posts: 1
    I have an issue with my 01 Rodeo, hope someone can help. When the lights are off and I press the brake pedal the brake lights work, but the radio lights come on - weird. Conversely, when the lights are on, the rear lights work until I press the brake pedal, then they go off. The local dealer is an idiot and doesn't know what to do with it....
  • johnj2johnj2 Posts: 1
    I have a 92 trooper with 5 speed. In warm weather the trooper will not maintain idle, and will die if I don't keep foot on the gas. When this happens, the speedometer stops working. in cold weather there is no problem. When I restart the truck, it will idle fine, but after driving, even for a very short distance, it will stall if I put the truck in neutral. Occasionally, even in warm weather, after driving for a while, the speedo will suddenly come alive and the truck will maintain idle in neutral, only to drop off again after a while. I live in minnesota and can get by with this for our six months of winter -- since this problem does not occur in cold weather. but as soon as it warms up above about 40 degrees, this occurs. It appearl to be an obvious problem with electronics, perhaps a "computer" problem. Anyone have experience with this. (The truck has 210,000 miles, but is otherwise in good cond. our local dealer wants almost $200 merely to diagnose the issue.)
  • sbcookesbcooke Posts: 2,297
    Not sure about your problem with the check light...however I have been having all sorts of problems with my TOD system and the differential not engaging the clutch. When warm, the 4 low will double the trans gearing but not engage the front wheels...Where I am going with this...I took it took it to a transmission guy and he gave it back to me and said that I didn't have a transfer case problem, but I have an electrical problem. He said that my transfer case might be fried, but it is not getting the right signals. He doesn't do electric. I have a '99. Perhaps the 1999's have a weak point that wears or isn't protected to road salt? Maybe there is something that causes wiring/sensors to go?

    The TOD check light sounds like either a sensor or electrical issue. I am considering buying the helm manual because this stuff can't be that complicated, and we are all locked into a dealer saying "We can't find anything wrong". If I do, I will be happy to post diagrams.
  • camelmixcamelmix Posts: 1
    It has 70,000 miles on it, wont turn over, auxiliary doesnt come on but the lights will. Could it be the starter or relay? Battery checks out fine. :confuse:
  • shooter1shooter1 Posts: 1
    I have a '99 Trooper, auotmatic, with 58,000 mi., that has started surging or "hunting" upon hard acceleration. (Passing or inclines) I hooked up my OBDII and it indicated no problem. I have, also recently, developed a leak in my exhaust system. Could these be related? Thanks for any help you can offer!
  • paisanpaisan Posts: 21,181
    Perhaps the front diffy isn't engaging? I know I had a problem when I left it in AWD mode for a whole winter without disengaging it. It got stuck with the front diffy not disengaging. It was a solenoid in the actuator that went.

  • jamie6jamie6 Posts: 1
    I was driving home from my cottage one day and I pulled out of the toll booths and my engine began to knock rather loud. I got it back to my hometown and it got even worse. I took it to a mechanic but he said its not worth fixing and it would be too much to fix but I want to fix it for my girlfriend because she loves this SUV. This truck still starts up and runs exactly the same as it always did and it still idles at 750 rpms and still has the same amount of power. Its been sitting in my driveway since february and I want to get it up and running again. So I think its one of the pistons, maybe a snapped rocker arm? I still havent figured it out. I just need a little guidance so I can get a jump start on this. Should I get a used motor from the junkyard and drop it in? or take off the valve covers and see what it looks like? Ive worked on cars for a long time but this is gonna be my first engine swap so I need a lot of help with this one, thankks
  • lostlost Posts: 64
    You dont say what year your trooper is, or how miles are on it. If it is a 92 or later with the isuzu v6 you need to consider that it could very well be the timing belt tensioner making all the noise. It is a well documented problem.
  • enkidogenkidog Posts: 5
    I just bought a 2000 Trooper and want to change the serpentine belt. Anyone know how to release the tension on the idler? THX, Enkidog
  • sguyesguye Posts: 1
    I had the same problem with an 86 trooper. After ripping half the car apart it was a simple problem. One of the stop light 1135 bulbs had been replaced with a single filament bulb. Changed the bulb and everything was fine.
  • enkidogenkidog Posts: 5
    Well, answered my own question. I took a closer look. Put a breaker bar with a 14mm socket on the stud in the center of the tensioner pulley and pull so the pulley moves downward. It helps to put a two foot length of pipe halfway down the breaker bar for more leverage. It can be a one person job with ease, however if you have a second person to hold the breaker bar while you slip the serpentine belt over the last pulley it makes the job easier.
  • cedosada1cedosada1 Posts: 8
    Hi everyone,

    I've been searching and it seems like it's tricky to get the dipstick for tranny fluid. Where is this located? I see that I have to change the filter and gasket too.

    Any shops in the San Francisco bay area?

    How much is timing belt replacement? I heard it's a chain? I was told there isn't one? I was told there's a serpentine belt?

  • kobokokoboko Posts: 34
    Hello everyone,
    I have a check engine light issue. I have a "01 Trooper & bought it brand new in 2001. So far it has been flawless, 28000miles & no problems whatsoever. The "check engine" light came on like 2 1/2 weeks ago, i took it to the dealer who recommended cleaning out the intakes (carbon deposit crap), clening the injectors, new fuel filter & adjusting the throttle. after almost $400 i thought my prob was fixed, didn't consider it that bad considering all i had spent money wise last 4yrs was cost of fluid changes. Well, the CE light came back on like 5 days ago, after which my wife filled up the gas tank & it want away afetr a few hours. So i thought it might be a loose fuel cap. The light is back on again today. Any suggestions as to what might be the cause, i hate to have to take it back to the dealer only to get ripped again. do you think it might be a faulty gas cap, or fuel line issue? any help on this would be appreciated. thanks!
  • bjd1020bjd1020 Posts: 2
    WHen I turn on the fan for my ac or heat nothing comes out the vents any ideas as to what may be the problem or solutions.

    bd North Carolina
  • pascualpascual Posts: 1
    my brake lights are out, both of them, on my '92 trooper. yesterday i checked the bulbs and the fuse, both "appear" (to my untrained eye) to be in good shape. what do i check next? the tail lights work when the headlights are on, but they dont work when the brake pedal's depressed. i havent dissected the owner's manual yet but i skimmed it and didnt see anything on trouble shooting the back brake lights. any suggestions??
  • wlbrown9wlbrown9 Posts: 867
    I have a '00 Trooper LS 2/wd. Not sure how similar the setup is, but mine quit working last fall. Probably did not notice them for awhile. About the same time my cruise control stopped working..that I noticed. Once I found the brake lights not working and worked down through the fuses (even though the switch on the petal might be the cause). Finally found the blown fuse and brake lights work again...funny thing is that the cruise control started working again...I could not tell from the labels in the fuse panel that they were on the same fuse. Might need to pull some more fuses and replace any that you're not sure about... fuses are cheaper and easier to change than switches, etc. Sorry I don't remember what the label was on the one I replaced.

  • aau204aau204 Posts: 1
    Hi mr jhonj2:
    I'm David from Uruguay, I've a Trooper 1989 2.6 a/t.
    Time ago have problem with idle speed, are You cheked the vacuum lines and intake tubes?
    Some times the idle are right and when the temp change, have vacuum less.
    I can said: chek the vacuum rubber tubes and the intake tube and gaskets.
    Good lucky:
  • cindy215cindy215 Posts: 3
    I have a 93 Trooper and am redoing the a/c system myself any idea where the expansion valve is on the thing....Mechanic said had to have one somewhere but no idea from him....Any info would be appreciated
  • laerylaery Posts: 2
    I just purchased a 1990 isuzu trooper 4 cyl. when i try to start it the motor revs up a little then dies. If i hold the throttle wide open it will finally stay running. sometimes it actually takes quite a few tries to get it to run. any input would be great. thank you
  • paisanpaisan Posts: 21,181
    Have a muffler shop sleeve the pipe. I had this problem 3 times on my Trooper, luckily it was still under warranty at the time, however the 1st time I had it fixed at a midas and they sleeved it cause I was away on a trip.

  • lostlost Posts: 64
    inside the heater/cooling box
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