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Isuzu Owners Maintenance and Repair



  • sdc2sdc2 Posts: 780
    We have tons of salt on the roads here in Minnesota, so I felt a quality rustproofing job would be worth the money, since I plan to keep my Trooper for a long time. I got a deal on it through a friend of mine, so I felt it was pretty cheap insurance.

    I don't know anything about the grease-type rustproofing, AFAIK mine is all the tarry black stuff that is dry to the touch, even in the doors.
  • sdc2sdc2 Posts: 780
    There is a Wal-Mart in town that sells Mobil 1 for $3.08/qt.! Just that one though, none of the other Wal-Marts are that cheap. I think it has something to do with the Target next door....if you have a similar situation where you live, might be worth checking out.

    Unfortunately everybody knows about it, so you have to get there early before they get cleaned out each time some comes in!
  • sdc2sdc2 Posts: 780
    Well, day 3 with my Trooper sitting at the dealer, hoping they can squeeze me in for service...they said they would TRY to get it in before the 15th! I called another dealer, and they were 2 weeks out and not taking any more appointments!

    Is this typical to have that kind of delay in servicing at a dealer? What a PITA! Maybe it is due to the very cold December we had, but this is the first time I have tried to get my Trooper serviced, and I can't believe this is normal. Am I unrealistic to expect that warranty service should happen quicker than that? What am I supposed to do in the meantime, ride a bike through the snowdrifts? AAARGH!

    Thanks for letting me vent...
  • paisanpaisan Posts: 21,181
    And [non-permissible content removed] bigtime.

    I have an appointment on Jan 15th earliest available. :(

    Right before christmas, I thought it was gonna be there overnight, and I called and bitched, and Isuzu was going to authorize a loaner if my truck wasn't drivable, but since it was, I took it. I don't like to force them into giving me a loaner, but that's cause I commute to work, so it's not a big deal, if it were my only car and I needed it especially to drive through snow, I'd be screaming bloody murder, if you scroll up I think my venting post is somewhere :) We didn't buy $30K+ vehicles to have em sit in the shop all winter!

  • deimosdeimos Posts: 57
    It happened again!

    I had the truck in the shop yesterday: they've washed it around 1 p.m., checked the undercoat, applied new wax on my paint etc., then it was left outside (only -8 Celsius here) until I've picked it up around 6 p.m....

    Something was definitely frozen because again it started with a jolt and a clank after releasing the clutch...And the truck didn't start to move until releasing the clutch much higher then usually..
  • bluedevilsbluedevils Posts: 2,554
    None of my local Wal-Mart or Target stores are as low as $3.08! That's a great price. My local Sam's Club has had Mobil1 5W-30 cases for $21.49. It's the only Sam's Club in the Detroit area with Mobil1, and the only grade they have is 5W-30. That's about $3.58, the cheapest I've seen. My nearest Target is $3.89. The other Targets and Wal-Marts are all over 4 bucks a quart.

    Does anybody know who sells oil via mail order or Internet? I've never seen oil advertised on parts web sites. Actually as I type this I'm realizing that maybe it's because oil is fairly volatile and they can't just ship it via UPS or U.S. Mail?

    BTW, I don't use Mobil1 in my Trooper. I change every 3,000 miles and to save a few bucks I use synthetic blend (Valvoline Durablend or Castrol Syntec Blend) 5W-30.
  • bluedevilsbluedevils Posts: 2,554
    I've used only 1 dealer for service and have never had a problem getting an appointment the same week. Having to wait 2 weeks or so seems not really acceptable. Maybe once in a blue moon but not as a regular occurrence. Of course, since we're in the midst of this fuel line recall(s) maybe this IS the blue moon

    I'm in the Detroit area. There are only 4 dealers in southeast Michigan, counting the one in Ann Arbor. Very few people drive Isuzus here, so maybe that's why I don't have a problem even with a small number of dealers.

    If you get a loaner, I would consider yourself lucky. Isuzu doesn't include it in the factory-backed warranty package, and most dealers (Isuzu or not) don't provide loaners. Those that do usually boast about it.
  • beer47beer47 Posts: 185
    Are we supposed to use 10w-30 for 2000 Troopers or 5w-30? I have used 10w-30 for most recent vehicles.
  • bluedevilsbluedevils Posts: 2,554
    The owner's manual lists both 10W30 and 5W30 depending on the temperatures where you live. The most knowledgeable Trooper people I know (I'm not one of them) swear by 5W30. That's what I use. Jake, a mechanic who had a Q&A column on the Isuzu Trooper Owners Guild ( - great site, lots of participants) for a while, was vehement that 5W30 is by far the best weight for the 3.5L V6 (1998 and newer Troopers) and the 3.2L V6 (1992-1997).

    I'll leave the engineering explanation of why to others because I don't remember the details for sure.
  • sbcookesbcooke Posts: 2,297
    I asked the mechanic if there was any water in the fluid, he said it was a little brown, but normal. I think you should only have a problem if you submerge, rather than run through a water hole. I have not done the breather extension, but am considering it for fun. I don't plan on getting the truck deep enough to get water even close to the cabin, not at least until we can afford another car and this becomes my play vehicle, I hope it lasts that long :-).

    I have also read about traversing water. People recommend getting out and checking the depth of the water first. Not only do you know what you are getting into, but it gives the transmission and drivetrain time to cool.
  • sdc2sdc2 Posts: 780
    I went looking for Mobil 1 on the internet, but did not find anyone who offered it. There are some super-premium brands you can get over the internet, like Amzoil, Red Line, Purple something-or-other...
  • sdc2sdc2 Posts: 780
    Turned out to be the intake manifold gasket, of all things. So, they got it done in a more reasonable 2 1/2 days instead of 2 weeks like they said it might be...I suppose I should be grateful, but I feel that they only did what they SHOULD have done in the first place.

    I will say that they were good about calling me each day to update me on the repair status...
  • paisanpaisan Posts: 21,181
    I get scared when a dealer can't find a problem or says "well we tried this, but we're not sure if that's what the problem was"

  • bluedevilsbluedevils Posts: 2,554
    I had forgotten about those super-premium brands. I think the main three are Amsoil, Royal Purple, and Red Line. I'm not interested in spending $5-7 per quart on oil, though!
  • I have a 94 Trooper-S that just got out of the shop for a leaky (oil) head gasket. 2 months after the Head Gaskets where replaced another oil leak and this time it is due to a melted valve cover gasket. The exhast system is very hot and that appears to be what melted the gasket. The mechanic (Spradly-Barr Isuzu Ft. Collins CO) said the Catalytic Converter is blocked but I took to my muffler shop and they said its not blocked (no charge for the back pressure check). It's running fine and the emissions look good but the glowing Catylitic converter and leaky valve cover are a big problem. Any ideas?
  • cwmosercwmoser Posts: 227
    A little maintenance reminder - Rotate those tires. SUV tires are very suspectable to forming a pattern that will cause a loud road noise if they are not routinely rotated. My two front ones did when I waited until 12,000 miles to rotate them. Then when I rotated the 2 front tires to the back, the noise was assentuated I guess because of the open cargo area. It's a lot better now at 18,000 miles and time for me to rotate them again.
  • paisanpaisan Posts: 21,181
    That usually means your car is clogged up and needs to be replaced. Just what I've heard from people over the past 20 years that Cats have been installed.

  • gls2gls2 Posts: 10
    I have a '98 rodeo ls 4 wheel drive loaded!
    I bought it in Sept of '97. I have had it in the shop at least 20 times. All but one of the recalls have applied. In the ceiling (drivers side, by the moon roof) rattles so loud. It's been in the shop 7 times. Also have a thud when you take-off from a stop that it feels like someone just tapped you from behind (if someone did I wouldn't know it) it's been in the shop 10 times.
    After a year and a half of taking it in to be fixed, the local dealer close to my home stopped servicing Isuzu's, thank god! I had to take it to a dealer about 45 minutes from my house, they fixed a problem with the rattle in the roof, they said the problem was that the tires had been way over inflated(by the dealer!) since then, no major problems. Until now, I leave my windows down at night while it's in the garage, and in the morning when I go to roll them up,they sometimes make a thudding sound. Is this normal for a 3 year old truck?
  • sdc2sdc2 Posts: 780
    can also mean that the engine is running rich and the excess fuel is being burned in the converter. How is your mileage?
  • Thanks for the advice sdc2 and Paisan. I was relaying info given from the mechanic to my wife with one mistake. It was the exhaust manifold that was glowing, not the Cat. This sounds like a rich fuel problem. The mileage has dropped but I thought this was due to the Colorado oxygenated fuel mixture shift that occurs in Nov/Dec. I am also worried that there may be a coolent blockage due to the head gasket replacement. Yikes, I don't trust the mechanic!
  • edm85edm85 Posts: 5
    Is there anything the dealer can do to reduce the wind noise. It is so loud driving on the expressway that I cannot listen to the radio.
    It doesn't seem to be coming from one area and I don't think it is from a window or door leak.
    Anyone out there having the same problem?

  • deimosdeimos Posts: 57
    Well we have an '99 S equiped with some accessories that came with the LS model, as part of the Canadian Ltd package: running boards, brush guard, hood bug deflector( I presume that the tail garnishes don't make too much noise)...

    If you add the factory roof rack and the 4 windows "rain and wind deflectors" you can imagine that we get some noise...:)

    But never so loud as not to be able to listen to the radio(unless the windows are opened) even at 140 km/h.... As a matter of fact, I'd say that 4WD Hi (at 80-90 km/h) makes much more noise then all of the above(again as long as the windows are closed)...
  • paisanpaisan Posts: 21,181
    Could it be door seals? Also try moving around the cross bars on the roof. Could be tires?

    Not sure what else it could be.

  • I have a 97 Rodeo, and I occasionally get wind noise from the driver's side door. The weird thing is that it is occassional, and its never the same situations. Sometimes its hot, sometimes cold, sometimes wet, sometimes not. It drives me nuts!
  • paisanpaisan Posts: 21,181
    I had a '97 Rodeo and if it wasn't a lease, I would have definitely gone out and bought exrta door sealing material. My doors on that all made a lot of wind noise as soon as you hit 65mph. It was increased by cross winds. Just go to a Pep Boys or similar and buy some door sealing material and add it over the stock stuff with silicone or epoxy and it should clear up your problems.

  • The glowing exhaust manifold was due to a coolant blockage probably. The mechanic cleared it and it seems to be staying cool (not glowing). I just hope there was no permanent engine damage. Thanks.
  • paisanpaisan Posts: 21,181
    Steve good to hear it wasn't anything serious. Keep us posted!

  • Mike, did you ever get your second recall done. They finally got the part(s) for mine but I haven't had the time to take it in. They're still telling me it will take four hours! That seems excessive. If you've had your mod done, how long did it take. Anyone else? Time for dealer to do second recall mod? I don't really mind it taking awhile, it's just that I have a couple of other things (steering wheel not straight, intermittent horn operation) that I want them to get to and don't want to wind up leaving my truck overnight.
  • gls2gls2 Posts: 10
    I also had some wind noise. The dealer told me that if I adjusted my roof rack bar that would take care of it.
  • sdc2sdc2 Posts: 780
    Does TOD work in reverse? How about the limited-slip diff?
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