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Mitsubishi Montero Sport Maintenance and Repair

After searching the forum I was unable to find an answer to my question.

I own a 2003 Montero Sport Limited which I bought used a little over a year ago. The dealer provided only one transponder key at the time I purchased the vehicle. Later I discovered my truck had been a repo, hence only the one key. This is the first vehicle I ever bought which had a transponder key, and I though "I will just go to the hardware store and get a couple of more made," otherwise I would have negotiated a little better to obtain an additional transponder key and keyless remote. Live and learn! :(

The dealership wants $100 per transponder key and $150 per keyless remotes (this of course includes "programming"). Any suggestions on alternatives to paying these outrageous dealer prices? :mad:

I did get a key cut at the hardware store which gets me into the door if I lock my keys in however, as you know, the ignition will not start without the transponder chip attached.

My email address is johnxhewel (at) yahoo (dot) com for anyone who might have a better idea than paying dealership prices. :)

Thanks for your time and any help possible! :shades:


  • Does anyone know where to get reasonably priced larger disc brake kits for the montero sport. we all know that they are 'underbraked', heavy vehicles. I went to Precision Brakes, nice people but want almost 10K for a kit. any suggestions out there? Scott
  • skidaveskidave Posts: 3
    Have a 2001 Mitsubishi Montero Sport that has a
    "troubled" Service Engine Soon light. Have taken it to the dealer on numerous occasions and they are telling me there is nothing wrong yet the light continues to come on. All I really need is someone to tell me how to turn it off when it comes on? Thanks in advance for your help.

  • Hi, you have a couple options to turn it off but it will come back on again after several starts.
    1)disconnect the battery cable for 30 seconds, keep in mind you will need code in order to play your radio again if you do this. Its an anti-theft feature
    2)go to autozone and they will reset the error code for you for free.
  • I am replacing the rear brake shoes on my 2001 Montero Sport (2WD). The drum(s) will not fit back on the units due to the wider girth of the shoes. I have loosened the parking brake at the console: adjusted the brake adjusting wheel: I still am not having any success. I have depressed the calipers, but they tend to ride back out, even after opening the hydraulic valve on the right rear wheel. I am reluctant to use brute force. Is there a secret that I am unaware of to successful reinstall. I hope so...

  • Hi - I have a 99 Montero Sport that just turned over 90K miles. My "Service Engine Soon" light came on about a month ago, at which point I took it to Autozone for the free check. They told me that it had a mis-fire on #4, so I took it in to get an ignition tune-up (new plugs, wires, dist. cap)...the light still stayed on!

    How many drive-cycles does it normally take for this to shut-off?

    Do any of you have any other ideas as to why the light is staying on??

    Any advice would be appreciated.

    Shannon :confuse:
  • Shannon - As the post above says, try removing the negative
    cable on your battery for 5 minutes. It worked for me and I haven't had a problem since. The Montero Sport is famous for dash lights going nuts. Also, make sure you check and change the fluids in your transmission. That is critical with the Montero Sport.
    Hope that helps.
  • n87n87 Posts: 4
    Hi, I am new to this forum. Recently purchased
    MS 2001 LS with 73k on it, V6 3.0L. Trying to find out if it's an iterference or non-interference engine. Interference engine would be trashed when timing belt breaks.
    Any help is apprecciated.
  • dmuttdmutt Posts: 48
    It is a interference engine. I replaced mine at 90,000 on my 2000 M/S 3.5 litre v-6. Was pretty worn down the middle. Suppose to do at 60,000 for both motors, but took the chance and did it 90,000 instead.
  • n87n87 Posts: 4
    Thank you! Dealer told me it was due at 90k on 3.0l. I will check out what the manual says.
  • dmuttdmutt Posts: 48
    California, Conneticut, and Maine vehicles, the timing belt replacement recommendation is 100,000. All others on the 3.0 L. engine is 60,000. This is the same for the 2.4 L and 3.5 L engines Mitsu makes.
    Apparently, they put a tougher belt in the low emission states. If you can believe that. If that is the case, then why not replace the one you have with the CA spec one.
  • n87n87 Posts: 4
    How can you tell if yours is Cali or Connecticut etc?
  • dmuttdmutt Posts: 48
    VIN number. A Dealership could tell you if give them the VIN number.
  • sexyvysexyvy Posts: 5
    on 5/18 i took my truck in for a bsic tune up and nearly passed out when the guy told me 902.54 and that i may need a new timing belt an additional 500.00 he said that i have one of the most expensive cars to maintain. so this is after ive had the transmission replaced... so now im going for a 2nd opinion for the timming belt but is this normal ?
  • steverstever Posts: 52,462
    The Edmunds Maintenance Guide will tell you what the manufacturer recommends for your mileage, and will estimate what it should cost in your zip code.
  • Hello ... my 2001 Montero Sport has the 4x4 indictaor light flashing all of a sudden. Their is a loud whining noise which is followed by a pop. The anti lock brake light also appears now, not sure if its related.

    Went to the dealer and they changed the "Freewheel Clutch Solenoid valve" part # MR263723 and took care of the problem. No more 4x4 indictaor light flashing and no more anti lock brake light. Bingo..........
  • timo5timo5 Posts: 4
    My friend has a 2001 Mitsubishi Montero Sport XLS 4WD with 104xxx miles and recently, it started having issues. The car feels like it downshifts and upshifts when she is doing around 30-35 or slowly accelerating. I drove it last weekend and it would actually lurch as it downshifted and upshifted. She said she took it to three different shops and there weren't any error codes. One of the shops changed her transmission filter and fluid but it still has the problem. Any ideas?
  • I have 2001 Montero and I had the same problem, dealer stated that it was computer problem and they all had it. I am just waiting for a recall notice to come out. Won't happen until after I sell thios one with my luck
  • timo5timo5 Posts: 4
    Thanks Bucksys. I was thinking it was a computer issue but wanted some confirmation. I just can't ubnderstand why the other mechanics couldn't figure this out.
    Thanks again.
  • I have a 2001 Montero Sport XLS. After driving on highway for extended time and pull into toll booth the truck does not accelerate after depressing accelerator. There is a hesitation and then the truck lunges forward like you are doing a "neutral drop" or popping your clutch in a manual transmission car. It only does this after driving for an hour or so on the highway. Does not do this around town. Mechanic has checked transmission and says it is fine. The fluids and filter have been changed. They did not use Mitsubishi fluid but the mechanic did not feel this was a problem. He said the sensitivity to using Mitsubishi brand fluid would show up in some jerkiness when the torque converter is engaging. This is not evident in the vehicle. Everything we are experiencing it at acceleration only after extended highway driving. Mechanic thought it might be a mass air flow sensor that is starting to fail??
    Any suggestions would be appreciated
  • Wow!!! I am having the same issue/problem with my 2000. How much did the dealer charge? What state are you in? And Thanks for your post.
  • I have a 2000 Montero Sport that is doing the same thing. How much did it cost to replace the solenoid valve?
  • How did you solve this problem? More importantly, how did you get the drum open in the first place to get to the brake pads? I went to change the rear pads yesterday for the first time (I bought the Sport used) and was surprised to see that kind of assembly on disc brakes.


  • Seems to be similar problem re: 4X4 light flashing, 4X4 not engaging after changing cables, spark plug wires. Tried to track down "PT # MR263723" 'Freewheel Clutch Solenoid Valve' thru Kragen, no luck. Also checked Mitsubishi website. Can someone confirm part #/description and elaborate on what this part does and why it would fail? Possibly related to work on ignition system? Oh, and where to find it? Appreciated. Thanx, Frankie J
  • I called my local dealer here in Atlanta and he told me that he would change that part for $310. I plan to have it done later this month on my 2000 Montero Sport Limited. We will see what happens. I gave him the part number and he looked it right up and quoted the price to change it. Hope this helps.
  • How do you get the drum open on the rear wheel hubs to to get to the rear brake pads on a 2001 Montero Sport? I went to change the rear pads yesterday for the first time (I bought the vehicle used) and was surprised to see that kind of assembly on disc brakes. I see there is some type of plate on the front, but even with pentrating oil and a couple of taps from a mallet, it didn't want to come loose (I'm reluctant to hit it too hard lest I break something). As an aside, what's the purpose/advantage of that kind of design?

  • I hate to seem, uh, dense but...I searched the name 'Freewheel clutch solenoid valve', the Mitsubishi dealer and part sites and the part # (MR263723) and still can't find anything. the person in Atlanta that had the part installed (or anyone else that can answer): If you have the box that the part came in, would you mind listing the manufacturer of the part as well as any part number and/or manufacturer link that is on the box? Much appreciated, Frankie J
  • I am changing the timing belt on my Montero Sport and rotated the crackshaft counterclockwise several times before I read the manual which cautioned against doing this. Anyone know what damage this could cause and any tips on correcting before I finish installation??? HELP!!!!
  • Mine was replaced at 84,000 miles with the same shutter.. The computer was not the problem.
  • Well How did you get the drum on there? I have mine sitting up to the jack right now and can't get it on!
  • fredy1fredy1 Posts: 1
    i had the same problem and replaced alternator,sparkplugs and wires , belts and so so . at the end the problem was the the clogged fuel injector throotle . 2 cans of carburetor cleaner will do it. try this and you will thank me . and the transmision will work properly.
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