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#1
06-16-2009, 04:34 PM
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Blazer Transmission (?) Problem
Hey all, nice site you got here
 I bought my first vehicle recently when i turned sixteen. It's a 1996 Blazer LT with a 4.3L V6 and a 4x4 automatic. The engine starts up and runs very well, but when i bought it, they told me something was wrong with the tranny. So we towed it home, and got tabs, etc. Today i took it out on the road for the first time, since it does move. When i took it out, the first thing i noticed was that it will not shift out of first gear. Shifting into D/2/1 does not do anything, it won't hit second gear. Reverse does work. Once i realized this (~1/2 mile down the road) i turned around and headed back home. Most of the way home, i was going up an incline at around 20MPH (~3k RPMs in first gear) and the whole tranny just slipped out and disengaged. It was like it went into neutral. I put her in park, waited for maybe 20 seconds, back into drive, and it took off again, still not leaving first gear. I got into my driveway, and was going to pull into the garage to take a better look, when it does it again, except this time it has a little pull, but not enough to make it up the driveway. At this point, i just park it at the bottom of the driveway and get out to notice there's smoke coming out from under the Blazer. Needless to say, i put her in neutral and we pull it up into the garage with my dad's 2500HD (6.0L V8 oughtta do it  ). Once we get it in the garage, we check the tranny fluid. It's a little over full actually, so there's plenty, but it smells burnt.Am i correct in thinking i'm going to need a whole new tranny? I saw in another thread that it could be the valve body. Can you change that without replacing the entire tranny? Is this even a possible cause? Help will be much appreciated! (rep for helpful answers) 
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#2
06-16-2009, 04:57 PM
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Re: Blazer Transmission (?) Problem
If the fluid smells burnt, a new valve body isn't going to help you. The fluid burns due to slippage in the clutches.
Either your existing tranny needs to be rebuilt or you need to find a replacement. If I recall correctly, only a '96 (possibly a '95, but I'm not sure) will both bolt up and talk properly to your computer.
__________________
1993 Olds Bravada 4.3L CPI 1999 GMC Safari SLE AWD 2002 Chevy Astro LT AWD
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#5
06-17-2009, 07:38 PM
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Re: Blazer Transmission (?) Problem
95 wont match up.
__________________
95 jimmy. Vortec V6. 4.3 liter CPI. ,2.5" catco cat, 2.5" cat back with flowmaster muffler split rear., 40 street series, 2 12" audiobahns in custom box,K&N CPI intake system. 71 Mustang coupe- project car. stock 302 with Cobra intake, holley 650dp, afco racing radiator, headman headers, msd distributor, 2.5" from the headers.C4 tranny with shift kit, Mach 1 body lay out. 90 cav, 2.2 tbi, gas getter. 99 chevy s10 zr2, 6" lift, duel exhaust. 5 speed.
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