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Transfer case pops out of gear in reverse - 2003 GMC Sierra 2500HD

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Posted on Jan 02, 2017

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SOURCE: I have 1993 gmc z71

some chevys have an 202 or 203 transfercase.most commond in newer trucks is the 203 which is a gear to gear transfercase,203 is chain drve and very rare anymore,so ck and see which one you have,because their is a 205 gear driven,the most common problem with all transfercases is when they pop out of gear,is a bad shifting fork,or a bad pilot ,or through out bearing not putting pressure on gear.hope this is helpful.

Posted on Jul 05, 2011

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My 2000 Chevy silverado 1500 z71 wont move. used 4wd then tried to put back into 2wd it would shift into any gear. Put back in park it makes a grinding noise


Sounds like your transfer case in neutral. You have to engage the transfer case back into gear then shift selector to drive or reverse. When your transfer is in neutral the transmission will not operate. Good luck.

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1989 Ford F 150 lariat 4x4 pick up pops out of reverse and makes a terrible grinding noise until it's put back in noise is coming from transfer case fluids have been checked and changed no shavings also...


You must have a manual transmission. Rebuild it. synchronizers are bad. The reason for grinding. Then you have worn shift forks. Reason for popping out of gear. Also replace any worn bearings or just get the bearing kit and replace them all, with the races.

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My 1987 GMC s15 automatic 4x4 pickup keeps popping out of normal gear. The only gear it stays in is 4 low. Where do I start?


I'm assuming you're talking about the transfer case popping out of 2 high or even 4 high. It could be that the transfer case needs a chain or gears replaced and is slipping on the cogs/gears. In 4 low it takes less pressure/strain to move the vehicle so it doesn't slip. I would put the trans. AND transfer case in neutral, with the FRONT wheels blocked, and NOT running, jack at least one rear wheel off of the ground, and try turning the rear drive shaft back and forth to feel the free play (free play in the transfer case, not the rear end). Excessive free play should tell you that the drive chain/gears are very warn and could be slipping. That would be a start.

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Was pulling out onto the highway when truck shifted from 1st to second gear a clunk noise happened n now i have a whining sound and no reverse. transfer case or transmission?


this sounds like the ******. if it were the transfer case then you would loose all foward and reverse gears, but since its just reverse i would say its in the ****** and also the whinning noise is very common when the pump is going bad, have the ****** checked out. good day.

Sep 02, 2011 | Chevrolet Silverado 1500 Cars & Trucks

1 Answer

I was driving at 60 mph with cruse on and the trans popped out of gear i stopped and no forward or reverse i pulled the transfer case lever and now it is stuck in low range the linkage seams to be working...


You have to get into the transfer case because the problem lies there so if you do not know how to do this that you should take it to a mechanic that can do this. If the transfer case was seriously low that one of the linkages broke inside there.

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When i put in 4 wheel drive i got a clicking popping sound and when in 2 wheel drive it sounds like a rattling sound that gets louder the faster you go


Sounds like gear and chain need to be replaced in transfer case.
The popping and or clicking is the chain trying to climb up over the teeth on the gear in transfer case.

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Grinding noise coming from 97 GMC Yukon transfer case


Hi!!!! I have the same problem with mine. Did you solve it????

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2 Answers

Have a 97 tahoe when put in reverse transfer case pops out and hear gears grinding,what could be causing this


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.

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