Question about 2001 Isuzu Trooper

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2002 Isuzu Trooper Transimission

Our Trooper had the transmission replaced at 33K miles. It now has 80K and has begun to shift erratically when under strain, like going up a steep hill. It feels like to me that the lock-up converter if it has one is disengaging and reengaging. It happens quickly and rarely long enough to see the rpm's jump up and then right back down? Any help would be appreciated. Also, this problem just suddenly appear, wasn't happening one day started the next?

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  • Anonymous Dec 19, 2008

    I have the same problem. In fact, my 2001 Trooper is back at the dealership for this very problem. The first time I took it in this week they claimed I must have put the 4W shifter in neutral. This was of course not the problem. After breaking down twice in 24 hours it is back at the dealership today. I have 90K on my Trooper (our 4th by the way) and have had more trouble with this car than the 3 previous ones. When my Trooper shifts erratically it is usually on an excelleration and the transmission disengages completely leaving me without power. When the car "cools down" I can start it and it is anyone's guess as to when it will disengage/reengage again.

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Take back to dealer and ask them to put in trans shift additive. Worked for my 2001 Trooper.

Posted on Jun 16, 2009

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is the cam belt ignore for 6 years. (6x 10k per year, is 60k mile)
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cold slips. can be, clogged filter.
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if lucky this can be it.
do not let it slip or the clutch packs burn to a crisp fast !

get a full flush and filter. and cross fingers.
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You problem is more involved and will require a transmission expert to look at it and diagnose it properly.

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Not much power from a V-6 engine


1. Replace Fuel pump and
2. Replace Transmission.

But you can also do a scan.

Cheers.

Rate fixya.

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