Question about 2004 Chevrolet Tahoe

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I have a 2004 Tahoe. When I put it in reverse it make a loud consistent grinding noise and doesn't go anywhere. But when I put it in drive, it engages. The speedometer shows that I am going up to 50 mph when it is actually going nowhere in reverse.

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Colour of Trans Fluid is very important - If it has never been changed Then very Likely passage in Trans program board is Clogged / Plugged up ..Noise is Trans Trying to engage ..So it Goes Forward Right . Well cost of Rebuild is up to 3000 $$$ and used is 600 - 1200 $$$ + install It so Try This maybe you will get Lucky .. Add Sea Foam trans Treatment OR even Better Lucas Trans Treatment ...With this product in Place ++ Full on Dipstick Go for a Drive = 1 / 2 hour . This warms up Trans Fluid - circulates Lucas Then Try to engage Reverse ....Also Connection for Plug in to Manage Gear shift Lever is Visible on outside of Trans Housing . Look for This underneath car - Or any Loose / Hanging wires - Cracked / Frayed wires can Let in Moisture or Interrupt Ground / connection Thus no reverse . If no Luck on Above Consider Swapping in Older Style 4 speed Overdrive From Late 90 s into 2001 GMC .. They are not computer controlled Plastic gear Driven Throw away Trans . The 90 s Truck trans is made from Metal ++ much cheaper and more robust easily found at rebuild centers .. Looping of computer shift module will be necessary to Sync up to 04 Tahoe module . Any 4 wheel drive garage can make modifications ...Good Luck - remember GMC / Chevs must have Trans Fluid changed out at 100,000 - 140,000 Ks due to Heat ++ Plastic parts and Light weight Casing no longer absorbs heat .. 1 st sign of This = Fails to go into OR Hold Overdrive ...well That Applys to All General Motors products = Fluid is very important ...

Posted on Apr 02, 2015

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I agree with Damon in the first post, have it towed to a repair shop for a decent diagnosis. Most likely something internally has broken in some way shape or form. Options are to overhaul or replace with used from re-cycle yard or a 're-manufactured" transmission if needed, or depending on the diagnosis. Good luck!

Posted on Mar 31, 2015

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Not sure what your looking for in an answer here. If you are capable pull it out and check it out. If you are not capable take it to a shop for repair or replacement. I fear there is no easy fix for a transmission going bad. Since you say there is a bad grinding noise, it wont be a simple wire loose or vacuum line etc.

Posted on Mar 30, 2015

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Posted on Jan 02, 2017

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SOURCE: 2004 chevy tahoe transmission problem?

check to universal joints. Are your tran mounts

Posted on Feb 12, 2009

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SOURCE: no reverse when engaged., slow to change gears when driving in drive,, i can here it takes longer to shift.

Most likely the "reaction shell" teeth are stripped. This is a common failure in the 4L60E. The transmission will need to be removed, and the reaction shell replaced. Any reputable transmission shop should be able to replace the reaction shell. They may advise you that your transmission needs to be rebuilt. Either way, it is somewhat of a costly repair.

Posted on Apr 19, 2009

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SOURCE: '95 tahoe making noise when accelerating; sounds

no it should not spin when is in 2wd thanks

Posted on Jul 22, 2009

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SOURCE: have a 97 tahoe when put in reverse transfer case

There is a snap ring at the back of the transfer case that breaks. It can be fixed without removing the transfer case. Remove the rear driveline and the small housing at the back of the case. The snap ring holds the bearing in place.

Posted on Aug 23, 2009

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SOURCE: 2004 silverado, duramax and allison transmission,

What kinda batteries do you got? Are the cables any good? Sounds to me like a power/ground issuse. Either that or you have to small of batteries to crank over a high compession enigne when it's cold, with the glow plugs, and heater grid pulling all of the power from the batteries.
And check the trans fluid level for your problem with the trans.
And you're gonna need to be a little more specific on the thunping noise.

Posted on Dec 10, 2009

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Not sounding to good. Sounds like you wiped out the planetary gears. Depending on the damage, your looking at $2000 rebuild.

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Apr 14, 2011 | 2004 Chevrolet Tahoe

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When I put my 2004 chevy tahoe in gear the rear end makes a loud whinning noise and does nothing then in with clack loud and catch and start going?????

A few broken ring gear teeth will cause that. BUT it wouldn't go very far till it made a whole lot more noise. The transmission will make lots of noises and can cause the same symptons you are complaining about. If it's 4x4 try and put it in four wheel drive and see what happens, don't drive far, that will help narrow it down between trans and rear end. If it's not 4x4 then if you can, remove the rear drive line, jack up the rear tires so they are off the ground and try and spin the rear pinion drive flange (the thing that the drive line was bolted to). It should spin fairly freely (it will have some drag) if you feel any binding or grinding then the problem is in the rear end.
Report back with your findings so we can better assist you.
P.S. both will be a big job and unless you have experiance working on these type of jobs then it will most likly be best left to someone who know what they are doing.

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I have a 1996 Tahoe 4x4 and every so often when I put in reverse it makes a loud grinding noise near the transfer case. I have to put it back in park and it stops then i put it back in reverse and it's...

if you want it fixed go to transmission shop that offers a warranty on there work in writing.
it will be in the trans and be prepared to spend about 1500 dollars to get the trans rebuilt.

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