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Isuzu Trooper Transmission Problems

59 messages,  Last post on Dec 02, 2009 at 8:26 PM

You are in the Isuzu Trooper Forum. Your Hosts are steve_ & tidester

What is this discussion about? Isuzu Trooper, Isuzu Trooper II, Transmission, SUV


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#8 of 59
Transmission is slipping... by socalpam
Aug 31, 2007 (12:54 am)
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I have a '99 Trooper that only has problems during extreme heat and/or humidity. Infrequently the transmission will slip into neutral soon after starting the car, requiring me to pull over, turn off the engine and re-start. More frequently the car will "clunk" as it shifts into third gear, again, right after starting the car. This also requires me to pull over, stop, count to at least 20 and re-start.
 
I've had the car checked out by reputable repair folks who were unable to find anything out without taking out the transmission and pulling it apart at great expense (all of them recommended against doing that). One guy recommended that I leave it alone unless it starts to act up more regularly. He was sympathetic, but since the car doesn't act up on command he felt there was little he could do since he wasn't experiencing the problem.
 
I drive my kids around and having a car slip into another gear while in motion is disconcerting to say the least. Has anyone else come upon this problem? I've checked for recalls, service bulletins, etc. and am drawing a blank.
 
I bought the car used several years ago (returned lease) and it now has 83,000 miles on it. I've maintained it pretty well all this time (may have gone a little long on some oil changes) and recently had the transmission and engine flushed/new liquids/etc. I hoped it would help, but no luck.
#9 of 59
Re: Transmission is slipping... [socalpam] by dnewell
Oct 18, 2007 (7:44 am)
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Replying to: socalpam (Aug 31, 2007 12:54 am)

I am having the same problem. It started about 6 months ago. After leaving the car parked for a few days. It slammed into 3rd each time until I reached the interstate and stayed at a consistent speed. It did it again the middle of August after being parked for 2 weeks. But this last Sunday, it was only left overnight. I started it up, backed up and the first time shifting into 3rd, it slammed hard, it also slammed back when downshifting. That is the first time it has reacted in downshifting. she has 127,000 miles on her, I have kept all maintenance including a transmission service 3 weeks ago. I took it back to the mechanic, He is at a loss. His only suggestion is to change the transmission filter which was not done in the flush and fill service. At a cost of aroune $200.00. Or just leave it alone. Im worried about it, I love this truck. If you get any help, please let me know. thanks, Deborah
#10 of 59
Re: Transmission is slipping... [dnewell] by wlbrown9
Oct 18, 2007 (10:35 am)
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Replying to: dnewell (Oct 18, 2007 7:44 am)

Check out the transmission mode switch. pictures
 
http://isuzufaq.ibctech.ca/range.pdf
 
Watch the shift indicator on the dash. If the lights behave strangely, for example indicating R when you have the shifter in 3, the mode switch could be the problem. Try cycling the shifter several times to try and clean the contacts.
 
Read more on this topic in a previous discussion here:
 
http://forum.planetisuzoo.com/viewtopic.php?t=1707
#11 of 59
Re: trooper 89 transmission problems !!! [justin236] by edgarin
Oct 18, 2007 (7:16 pm)
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Replying to: justin236 (Oct 17, 2007 8:26 pm)

Well it seams normal, but my problem is that my car swaps from 1st to 2nd in the 30-35 range, and 4000 to 4500 revs, wich is not normal... is like going full throtle in your manual car, and when the engine starts to scream! you swap to 2nd... wich it'll be cool if it was a NASCAR or a kickass camaro or something...
 
the thing is that i dont have the money to take it to a especialized tranmission guy... but if somebody knows what it is please tell me so i can save some money on diagnostics and stuff.
#13 of 59
88 manual transmission adj. bolt? by mbarnhart
Nov 09, 2007 (3:02 pm)
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I mistakenly took out a bolt near the top of the transmission on the drivers side thinking it was the filler plug. Later, I found the right filler and put the first bolt back. It is about 3/8" by 2 " long and has a long nonthreaded end that must be some sort of adjustment. So after all was said and done and I started the rig up and went to back out of my shop I couldn't get it in reverse!
5th gear was hard to get in but the others were OK. Yikes! what have I done? The bolt was screwed all the way in when I first started so that blows my theory that it ony needs to go in part way as some sort of adj. Help!
#14 of 59
unknown noise by mglossip
Nov 23, 2007 (10:54 pm)
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I have a 2000 trooper 3.5 liter, since it has been cold this year, when i push the throttle any more than 1/2 way, or even when i first start it, there is a strong and loud ratteling sound. i bought it last january, so the cold is no different. could this be a transmission problem or something else. i heard these trannys arent that strong. if you can help, im all ears. thanks
#15 of 59
please help with 94 trooper by maryhannah
Nov 24, 2007 (2:16 pm)
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our trooper is stuck in park and wont go into any other gears, it is getting worse and I think it is the weather, but it was stuck at the store and now it is in front of our driveway and it needs to be in it, because we cant park our other car in it
#16 of 59
Re: please help with 94 trooper [maryhannah] by mglossip
Nov 24, 2007 (8:38 pm)
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Replying to: maryhannah (Nov 24, 2007 2:16 pm)

I would probably take it to the dealership or mechanic. i cant picture it being cold enough for it to be stuck in park. or check the fluid in the tranny.

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