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Chevrolet Blazer GMC Jimmy Transmission Problems

216 messages,  Last post on Oct 12, 2009 at 7:18 AM

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What is this discussion about? Chevrolet Blazer, Transmission, SUV


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#147 of 216
Re: 97 jimmy will not shift automatically [psycodad] by rhtrans
Feb 29, 2008 (6:51 pm)
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Replying to: psycodad (Feb 13, 2008 8:58 am)

A fresh battery and or a new altenator usually takes care of that problem. if its still there...replace the cables and make sure you have a good ground.
#148 of 216
Tranny shift probelms by pocity
May 04, 2008 (4:57 pm)
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1997 4L60E tied to a 4.3 liter engine. My problem is when tranny is cool it shifts fine from 2nd to 3rd. However after driving for a few miles it sometimes will not shift out of 2nd to 3rd. New valve body fluids and filter. Any ideas?
#149 of 216
Re: Tranny shift probelms [pocity] by hoomie
May 14, 2008 (6:00 pm)
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Replying to: pocity (May 04, 2008 4:57 pm)

I HAD SIMILAR PROBLEMS IN MY 1997 BLAZER, FOUND THAT THE IGNITION SWITCH MOUNTING BOLTS WHERE LOOSE. THERE IS A GROUNDING TAB ON THE SWITCH THAT GOES TO COMPUTER.WASNT MAKING CONTACT ALL THE TIME..RETIGHTNED BOLTS HAVENT HAD PROBLEM SINCE OVER 2 YEARS NOW....HOPE THIS HELPS
#150 of 216
Re: Chevy Blazer 2002 - Interesting problem 4L60E [jlflemmons] by malutow
May 22, 2008 (11:19 am)
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Replying to: jlflemmons (Feb 05, 2008 7:49 pm)

I had a similar problem with my wife's Jimmy. I found the problem to be with the catalytic convertor. It would start to rattle when it warmed up causing too much back pressure. I changed it... no more tranny problem. However, that was last year sometime & I thougth i doged the bullet but I spent most of the day looking for a new tranny because reverse wnt out. Another common problem I guess. Good luck.
Her truck is 1996 4wd Jimmy 4.3L.
#151 of 216
98 Blazer No reverse by bmpgbh
Jun 21, 2008 (5:20 pm)
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About a month ago i swamped my truck so it was off the road for a few weeks while i was doing repairs, any ways i didn't think to check the ATF and sure enough water had gotten into the trani. So about 2 weeks ago I was drivin up this really steep hill and when i stoped at a light and tried to go the trani would not go into gear. I waited about a 1/2 hour for the trani to cool then tried to go and it went just fine. so continued to go up the hill the trani got hot again and slipped. So i went home and change the ATF and filter the next day. Ran fine and shited the same for about a week, but just last week i went to put it in reverse and it wouldn't go. Any body have any ideas, solonoide or am i gonna need a complete rebuild.
#152 of 216
1995 S10 Blazer 4wd Tranny problem by blazeher
Jun 23, 2008 (7:25 pm)
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Please Help my 1995 blazer with no warning just started acting like it was in neutral, in all gears it wont move but the engine revs up, tried messing with 4wd to no avail. Turn it off and let it sit and it will drive about a block and do the same thing. Any ideas, is the tranny junk?
#153 of 216
Re: need help-tranny problems!!! [repairdog] by heyvern78
Jun 25, 2008 (5:13 pm)
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Replying to: repairdog (Jan 16, 2007 2:31 am)

Hi repairdog I think I have the same problem jetteman had it shifts hard into 2nd and 3rd then seems to drive fine but I have no reverse my question for you is the fix a DIY or do I need to take it to a pro? We have already dump alot of $$ into this thing finally got all the little problems worked out now this. If I can fix it myself is there some repair guide you could direct me to your help on this would be much appreciated.
#154 of 216
Tranny Goes into Neutral by colink82
Jul 17, 2008 (4:02 pm)
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Hey everyone, I have a 95 4WD blazer with transmission isssue's.
 
Shifts great up and down in every gear, but when doing freeway speeds in
overdrive, if I give it a little gas it'll drop a gear easy, but give it a little to much
gas and it goes into neutral and revs up.
Remove my foot from the gas and it slams hard back into gear and everything
seems fine afterwards.
Tranny Fluid is fresh and is topped up, and was rebuilt about 50,000miles ago
i'm thinkin maybe eletrical issue maybe?
#155 of 216
Re: Tranny Goes into Neutral [colink82] by jmccann
Jul 17, 2008 (10:42 pm)
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Replying to: colink82 (Jul 17, 2008 4:02 pm)

I have a 93 Blazer with a similar problem that only happens in four wheel drive, it will go into a nodrive in any gear until I take it out of four wheel drive then I can put it back in four wheel and it will be fine again until the next time it happens, usually after a long downhill section or on a straight section when the engine isn't pushing it or a coast situation. The trans was just rebuilt the third time in two years and has less than 500 miles on it.
#156 of 216
4L60E question by jlflemmons
Jul 19, 2008 (10:41 am)
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On an '02 Blazer, 68K, 2wd
 
Transmission is downshifting too quick, and holding gear a bit long before shifting. No other problems, just acts like it is mis-reading the speed and load. All shifts are good, drops right into gear, both forward and reverse, no weird noises. Tranny was serviced about 5K ago, no trash in the pan, no burned fluid, all looks good.
 
I guess the best way to describe what it is doing is it acts like it is in tow-haul mode, even though that isn't an option on this vehicle.
 
Now, I should point out that this is a Blazer xTreme, and has had the ECM flashed to factory specs. I am told that the xTreme does have different operating parameters than a standard Blazer since it has a lowered suspension, handling package, and high speed rated tires. We also have a '99 standard Blazer, and the drive train definitely behaves more sedately. xTreme editions are very rare in the part of the country, so I cannot find one to compare it to.
 
Thoughts?

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