Kirby (76.11.43.27) - Tue Jan 27 21:45:43 2009

I have a 1995 GMC Sierra 1500. Automatic 4x4..

I am unable to shift out of park unless i lift the back wheels clear the ground. I have unhooked the linkage from the shifting lever... i have tried to to shift with the key ahead but motor not started. Once i does shift i can go though all the gears with ease. Can it be something internal that would stop it from working. I have also unhooked the linkage to the brake safety switch on the colunm. That was unhooked for about 2 months now so i know its not that. This has been an ongoing problem that has gotten worse. The only thing that works consitanly is to jack the back wheels clear.

Reply #1 Sergio (174.159.229.104) - Wed Feb 18 13:43:59 2009

Hey I have a 1994 Chevrolet Pickup 1500. I had a similar problem. When in Park I couldn't get it out of park. No matter hom much force i would use to change into reverse , N, D or whatever...

My problem was i was not using the parking brake when parking on an incline, it doesn't matter how high the incline if the truck sits in park the weight of the truck is resting on the transmission gear, so you cant change gears unless you you remove the pressure of the trucks weight...

Therefore engaging the parking brake before you release the brake when parking the truck. This won't allow the truck to roll back and put any pressure on the transmission.

Another issue is what if you are not parking on an incline, I had the same problem also well if you are parking on a level ground put you are resting both front wheels on the curb of the parking spot and when you put the truck in park and release the brake the weight of the truck tries to push off the crub then it puts backwards pressure on the tranny causing the same issue as if you were parked on an incline...

Hope the fix to your problem is this simple... it worked for me and have never had the problem unless i forget to use my parking brake!!

Good Luck..

Reply #2 Mark Passmore (128.241.28.2) - Fri Apr 17 22:57:40 2009

I have a 2006 v-6 4x4 chevy 4 door. I pulled up in a parking place to far, and couldn't get my pick up to go into reverse.On the gear indicator the line does not match up with what gear the pick up is in. What can I do?

Reply #3 Louie (74.233.208.131) - Sat Apr 25 16:23:27 2009

I have a 1995 chevy astro van and the transmission seams not to shift or go into second gear or if you floor it does not drop into passing gear.

Reply #4 Michelle (216.108.183.179) - Thu May 14 05:00:32 2009

I am having the same problem right now... I'm not understanding it. I go out one morning jump in pull her in reverse and away I go... if it warms up outside or the engine warms up real fast when I put it in park turn her off go inside and come out and start it up... it will not come out of park! Sometimes I can trick it by turning the power off to the CD player and turning off any a/c or heat that is going... but I don't know what it is. I have to do a long drive 16 hrs in a few days moving for work and all... I am just wondering if this is something that I can avoid for now if there's a trick! It runs great except that one thing! Any ideas or help?

Reply #5 Joe (24.237.126.219) - Sat May 16 22:02:13 2009

I'm having problem shifting out of park, In the end of this winter it started getting stuck so i had to wait for it it warm up realy good, Then I could shift out of park now it won't shift at all what do I need to do replace the shifter cable any solutions would realy help thank you.

Reply #6 Matt (67.55.140.2) - Tue Jun 30 16:58:32 2009

I had to replace my brake sensor on side of pedal, and now my truck won't reconize the brake is depressed to release safety on sifter to allow me to shift out of park. Any ideas on what to check or at least how to bypass so I can get truck to mechanic?

Reply #7 Rudy (66.90.160.95) - Tue Jul 7 16:23:49 2009

I recently had the same problem. I own a 98 Chevy 1500 and had been having trouble every now and then with shifting from park. It didnt happen to often so I really wasnt too concerned with it. I ended up having to replace the brake booster and after putting the truck back together including the brake pedal and switch, I found that I could no longer shift from park at all! I did some research and found that the brake light switch has alot to do with being able to shift from park since the sensor sends a signal telling the system that the brake pedal is being pressed and to allow you to shift from park. The sensor ended up costing $7.99 and now the truck shifts almost effortlessly! I decided to start with the cheapest possible fix first and if that didnt work I would have moved on to more expensive parts or a shop! Who wants to bet that a shop would have probably wanted to sell me a whole new transmission! Just saying that it pays to do alittle research and always start from the easiest smallest possible fix first! Hope this might be able to help someone!

Reply #8 Jeff (74.184.156.26) - Fri Jul 31 23:27:42 2009

Rudy - Reply #7 You are right on about the brake light (stop light) switch! I had just replaced mine because the brake lights were not coming on all of the time. After driving it a few days I could not get the truck out of Park! Your advice led me to take another look at my new switch. Found that it had slipped off the bolt that it attatches to and to the rod that passes thru the firewall and connects to the booster. Wow! I put two big tywraps on that joker so it will not happen again! Thanks for the tip. Jeff

Reply #9 Gary (64.12.116.198) - Fri Aug 7 20:34:06 2009

I'm having the shift issue also. I'm planning to change the

switch but for now when it acts up I will turn the key forward

1 click then shift to netural, & then start the truck.

Reply #10 Steven (75.172.192.190) - Wed Sep 2 23:16:42 2009

I have a Chevrolet K1500 and just recently it started making a sucking noise when i depress the brake pedal from inside the cab like maybe it is loosing vacuum through the diaphram not sure how the system works as i am a heavy truck tech and do not work on hyd brakes very much thinking maybe the booster is bad but it also costs 125 bucks and dont want to replace it for nothing any help would be appreciated are their any servicable parts inside the booster that would let the vacuum leak off while pressing the pedal

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