48re transmission linkage

[LBARTLETT]

I did a search and could not find a link that answered my question.



My truck has the 48re and recently when starting and taking out of park no matter how hard you put on the brake it's hard to get out of park. Once you get it out of park and into gear you can go in and out of park easily (with the brake on of course)



That leads me to believe there is a "dry" spot in the linkage that needs a little lubrication as this only happens coming out of drive for the first time.



Does anyone have any idea as to the spot that needs lubrication?



Thanks

 

[Alan Reagan]

I don't think it is a lube problem. My 05 had a similar problem but not as hard as yours seems to be. I would almost have to "snatch" it out of park. There is an adjustment procedure that lines up the dash indicator with the transmission. I had to do that to mine and it lessened the amount of force needed to get it out of park.



I don't have the procedure here but it is in the service manual. While you have the linkage off at the transmission, you should lube it but that's not what is holding it in park.

 

[HBarlow]

The problem is not the transmission or linkage. I have posted the solution many times. It is the Park position lock module which is a small device mounted on the steering column under the dash. It has a spring loaded pin extending from it that locks the shifter in Park. When 12 volts is applied by the stop light switch as the driver presses the brake pedal the pin is retracted and you are allowed to move the shifter out of Park position.

You can easily remove the lock module from its mounting bracket and zip tie it to the column. This disables the Park lock but fools the truck's computers. Leave the module wires connected.

Be aware that a driver can now shift from Park to reverse or drive position without pressing the brake.

The one on my '06 failed before 35k miles. I disabled the Park lock and never replaced it. I disabled the Park lock on my '08 a day or two after I bought it. I don't want the truck to think for me and require me to press the brake before shifting out of Park.

 

[LBARTLETT]

I'm guessing that's my problem Harvey, I'lll crawl under there in the morning and see if I can figure out which one/where it is and move it.



Thanks

 

[AEdelheit]

The problem is not the transmission or linkage. I have posted the solution many times. It is the Park position lock module which is a small device mounted on the steering column under the dash. It has a spring loaded pin extending from it that locks the shifter in Park. When 12 volts is applied by the stop light switch as the driver presses the brake pedal the pin is retracted and you are allowed to move the shifter out of Park position.



You can easily remove the lock module from its mounting bracket and zip tie it to the column. This disables the Park lock but fools the truck's computers. Leave the module wires connected.



Be aware that a driver can now shift from Park to reverse or drive position without pressing the brake.



The one on my '06 failed before 35k miles. I disabled the Park lock and never replaced it. I disabled the Park lock on my '08 a day or two after I bought it. I don't want the truck to think for me and require me to press the brake before shifting out of Park.

Not allays that simple Harvey, Mine does the same thing, pulled the park interlock out and it still can be hard to get out of park. There is something else causing it. I put the park interlock back in because it seems very irresponsible to bypass such an important safety feature, just imagine what would happen if someones kid accidentally poped there dads truck out of gear and caused an accident!

 

[HBarlow]

Not allays that simple Harvey, Mine does the same thing, pulled the park interlock out and it still can be hard to get out of park. There is something else causing it. I put the park interlock back in because it seems very irresponsible to bypass such an important safety feature, just imagine what would happen if someones kid accidentally poped there dads truck out of gear and caused an accident!

Baloney! Go preach your nanny bs somewhere else. Adults are entirely capable of making their own decision about their own truck.

With the Park interlock removed there is nothing to hold the shifter in Park other than the detent on the shift lever which requires the driver to lift the shift handle toward himself, the driver.

Personally, I don't have children and children don't ride in my truck. I am quite certain that the OP is smart enough also without your lecture to decide whether he wants or needs that feature or not.

 

[AEdelheit]

Baloney! Go preach your nanny bs somewhere else. Adults are entirely capable of making their own decision about their own truck.



With the Park interlock removed there is nothing to hold the shifter in Park other than the detent on the shift lever which requires the driver to lift the shift handle toward himself, the driver.



Personally, I don't have children and children don't ride in my truck. I am quite certain that the OP is smart enough also without your lecture to decide whether he wants or needs that feature or not.

BWHAHAHAHAHAH, ahhh your funny!



LBARTLETT im curious to see what you find the problem to bee, Ive heard the parking pull inside the transmission can cause the problem but haven experienced that first hand

 

[JFought]

i had the same issue. dealer replace some internal parts in the transmission

 

[cerberusiam]

With the Park interlock removed there is nothing to hold the shifter in Park other than the detent on the shift lever which requires the driver to lift the shift handle toward himself, the driver.

Yes there is. The detent ball on the VB is what gives the shifter the detents not the handle itself. All the handle does is implement a notch so you have to pull the lever back to get it out of park or go from drive into reverse.



If the shift interloack is not the problem the usual one is the detent ball has worn into the VB casting and is jamming in park. Its known issue on these trucks. Sonnax makes a repair kit so you don't have to replace the VB.



Normally once it starts jamming it does it all the time. The OP indicates it will work fine after getting it out of park until it sits. This could be the interlock or the detent ball just starting to wear. Both items need checked to verify where the real problem is.

Personally, I don't have children and children don't ride in my truck. I am quite certain that the OP is smart enough also without your lecture to decide whether he wants or needs that feature or not.

Maybe you don't but a LOT of us do and I guarantee if there are kids in the truck you can be sitting in the driver seat and look away too long one adventurous child WILL reach for that shifter to see what happens when they pull it. :-laf



EVERY single one of my kids and grand kids have tried it and they are FAST at it.



My son crawled into one of my trucks parked on a slant, pulled the shifter out of park and rolled the truck into a storage shed. There were FOUR adults working around the truck constanly and ALL of us missed him get in there and do that until the truck started rolling.



The shift interlock is a GREAT safety addition and would highly advise keeping it in working order. Up to the truck owner what they want to ultimately do, but, it is there for some very good reasons. :-laf

 

[LBARTLETT]

LBARTLETT im curious to see what you find the problem to bee, Ive heard the parking pull inside the transmission can cause the problem but haven experienced that first hand

well, you asked what I found and here it is, last night I pulled the under dash cover and wiggled the park interlock switch, just wiggling it freed the park function up



I started and stopped the truck in various gears over and over again and let the truck roll forward and put pressure on the transmission, THE SHIFTING OUT OF PARK WAS ALWAYS SMOOTH!!!!



I decided to leave the switch on thinking that it was loosened up and would be fixed for awhile, put the underdash cover back on and buttoned everything up and the first time I started the truck the shifting out of park WAS HARD AGAIN, not quite as bad as it was before but way worse than when I had the underdash cover off



since I could wiggle the switch when the cover was off I'm wondering with the cover on if some wires aren't bumping the switch and getting in slightly out of alignment



I'm draining my rear end oil now (that doesn't sound good does it?) and going back with royal purple synthetic, tightening the injection line clamps and then will see if I can align the switch and tighen it



if that doesn't work I'll move it as per Mr. Harvey's suggestion. Although not quite as old as he I'm pushing 60. I drove more vehicles without that safety switch/feature (including the clutch having to be pushed in for a manual transmisson to start) than without



my memory fails me (I think in the 80's) as to when all of that safety crap started but to me it's just one more thing to go wrong



regarding a child being able to put it in gear without the switch I'd question leaving a child in a running vehicle without the parking brake set



I know a young man who was feeding cows and left his 3 year old in the truck, she rolled down and then up the power window with her head in the window going up and suffocated herself so there are always risks and safety should always be first



however I tend to think myself to be personally responsible rather than the government dictating another safety feature that creates unecessary problems for me



I'll post back later if I found a way to align and tighten the switch or if I just moved it

 

[JApol]

I had the same problem that you have. I turned it in to the dealer and they replaced the VB. But when I got it back the brake interlock didn't work either. So, one of the above fixes worked.

 

[HBarlow]

Yes there is. The detent ball on the VB is what gives the shifter the detents not the handle itself. All the handle does is implement a notch so you have to pull the lever back to get it out of park or go from drive into reverse.

If the shift interloack is not the problem the usual one is the detent ball has worn into the VB casting and is jamming in park. Its known issue on these trucks. Sonnax makes a repair kit so you don't have to replace the VB.

Normally once it starts jamming it does it all the time. The OP indicates it will work fine after getting it out of park until it sits. This could be the interlock or the detent ball just starting to wear. Both items need checked to verify where the real problem is.



Maybe you don't but a LOT of us do and I guarantee if there are kids in the truck you can be sitting in the driver seat and look away too long one adventurous child WILL reach for that shifter to see what happens when they pull it. :-laf

EVERY single one of my kids and grand kids have tried it and they are FAST at it.

My son crawled into one of my trucks parked on a slant, pulled the shifter out of park and rolled the truck into a storage shed. There were FOUR adults working around the truck constanly and ALL of us missed him get in there and do that until the truck started rolling.

The shift interlock is a GREAT safety addition and would highly advise keeping it in working order. Up to the truck owner what they want to ultimately do, but, it is there for some very good reasons. :-laf

What you do or don't do with your truck and your children or grandchildren is of no concern to me whatseover.

Likewise, what I do with my truck is none of your business. I don't need the government putting so-called safety crap on my truck and sure as hell don't need a lecture from the likes of you.

I grew up in an era when each of us was responsible for ourselves and we did not want government or women dictating what we would do and how we would act.

 

[LBARTLETT]

well, no luck, at some point I'm going to need a transmission person to put a sonnax fix in it



I did get my axle oil changed and my injector line brackets tightened

 

[HBarlow]

So you're saying you determined that the cause of your problem is in the transmission not the park interlock module?

What's a sonnax fix?

 

[AEdelheit]

soo it looks like the valve body, intresting, i hope it turns out to be a fairly easy fix. I could personally care less what you do to your truck, just found it funny that the person who is fastest to jump on anyone and everyone that may do something "dangerous" "unsafe" or "stupid" in his opinion (like removing a saftey feature) suggested to do that, I know he would give you a lecture if something were to happen.

 

[cerberusiam]

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http://www.sonnax.com/system/instructions/22771-12K-IN.pdf

 

[HBarlow]

Thanks. I learned something.

 

[RSZABO]

I have a 2007 Mega Cab. the shifter is very hard and getting harder to get out of park. I have removed / disconnected the stop pin solenoid under the dash. I read a trans valve body detent ball sticking mentioned as a cause. Is there an easy for the detent bal repair or should I take it to a transmission shop? Any help is appreciated.

 

[cerberusiam]

See the link in post #16 for the repair kit.



You have to remove the VB and remove the shift likage and detent plate to do the repair. Depends on how comfortable you are with doing the repair and removing the parts.

 

[RSZABO]

I'm comfortable with the valve body removal. I see from threads Sonnax sells a repair kit. I guess the concern I have is reaming the valve body and aluminum chips finding a way into the valve body. I'm not sure I would like to disassemble the entire valve body prior to the repair. Thanks for the reply