Does this sound like a transmission problem?
#1
Registered User
Thread Starter
Join Date: Feb 2002
Location: Sturbridge, Taxachusetts
Posts: 1,424
Likes: 0
Received 0 Likes
on
0 Posts
Does this sound like a transmission problem?
I had the truck parked for 10 days while we were on vacation. After returning home I needed to move it slightly, so I started it up and immediately placed it in Drive to nudge it forward. Truck just sat there. I put it back in Park, then back into Drive. Still nothing. Reverse seemed to catch, then back to Drive and it was fine and has been so ever since. Afterwards, I was wondering if the TC had drained out for some reason after sitting there for so long and needed to fill up. Anybody else ever seen this? Only a 10K before the drivetrain warranty goes, so I'd like to get any problems fixed while I can.
#3
Registered User
I've read in some instructions that after storage it's necessary to idle the truck in neutral for at least 30 seconds to fill the TC before applying any gear. (Drainback)
Sounds pretty normal to me
AlpineRAM
Sounds pretty normal to me
AlpineRAM
#4
Maybe someone can educate me. I've read several posts concerning using neutral and one that even said the trans WON'T pump in park. I don't understand this as it's conrtrary to every other automatic trans I've ever dealt with. Does the torque converter not drive the pump on this trans? Willing to learn.......
#5
Registered User
Thread Starter
Join Date: Feb 2002
Location: Sturbridge, Taxachusetts
Posts: 1,424
Likes: 0
Received 0 Likes
on
0 Posts
As I understand it, your statement is correct. You must be out of Park for the pump to operate. In the winter when it's really cold up here, I leave it in Neutral for a minute or two for the fluid to get busy or it hesitates and complains a little.
So I guess that when I shifted out of Park, it must have taken 10 seconds or so for the pump to fill the TC to a point where I had enough coupling to make the truck ease backwards a little.
So I guess that when I shifted out of Park, it must have taken 10 seconds or so for the pump to fill the TC to a point where I had enough coupling to make the truck ease backwards a little.
#6
Registered User
Originally posted by Scott65
Maybe someone can educate me. I've read several posts concerning using neutral and one that even said the trans WON'T pump in park. I don't understand this as it's conrtrary to every other automatic trans I've ever dealt with. Does the torque converter not drive the pump on this trans? Willing to learn.......
Maybe someone can educate me. I've read several posts concerning using neutral and one that even said the trans WON'T pump in park. I don't understand this as it's conrtrary to every other automatic trans I've ever dealt with. Does the torque converter not drive the pump on this trans? Willing to learn.......
#7
So the converter doesn't drive the pump, or the pump doesn't work in park, or both? Or maybe the checkvalve doesn't allow pumping in park? Maybe I should've prefaced this by saying I've rebuilt transmissions(not Chryslers) and I'm kinda interested in the how and why a trans wouldn't pump fluid in park with the engine running. It seems it would be terrible for any bushings or bearings that are part of the rotating assembly in park.
Trending Topics
#8
Registered User
The valve body cuts off flow to the converter in park. The rest of the trans gets fluid. Not sure why it is set up that way, but always has been. I have a Ram van in the yard that has a defective check valve, bought it that way in 1992, put near 100,000 on it. I just start it in neutral.
#9
Administrator
Yup, TC drainback.
Had my truck parked for a week while working graveyards and taking the motorcycle to work.
Started it up today to come to work (raining kitties and puppies so no bike today) and it did that same thing,
just sat there for about 10-15 seconds, then slowly started creeping forward,
popped it into neutral for 10 seconds, then back to drive and it worked just fine.
phox
Had my truck parked for a week while working graveyards and taking the motorcycle to work.
Started it up today to come to work (raining kitties and puppies so no bike today) and it did that same thing,
just sat there for about 10-15 seconds, then slowly started creeping forward,
popped it into neutral for 10 seconds, then back to drive and it worked just fine.
phox
#11
Registered User
Join Date: Mar 2002
Location: London, ON
Posts: 843
Likes: 0
Received 0 Likes
on
0 Posts
If you have worked on transmissions, you can easily change the valve body to pump in park. You just need to drill a hole, I believe. The shift kits all pump in park.
#12
Registered User
My truck sits in my shop most of the time & only comes out to pull my 5vr. It will sit there sometimes for a month before I drive it. I always start it up & shift into N & let warm up for 5 min. before putting in drive & pulling out of the shop. Also shift into N first before going into reverse or park, makes for a happier transmission.
#13
Registered User
Re: Does this sound like a transmission problem?
Originally posted by Commatoze
...I started it up and immediately placed it in Drive to nudge it forward. Truck just sat there. Afterwards, I was wondering if the TC had drained out for some reason after sitting there for so long and needed to fill up. Anybody else ever seen this?
...I started it up and immediately placed it in Drive to nudge it forward. Truck just sat there. Afterwards, I was wondering if the TC had drained out for some reason after sitting there for so long and needed to fill up. Anybody else ever seen this?
In DTT trannys, the check ball has been removed to allow better flow at their higher fluid pressures. Repeatedly not allowing 30+ seconds at idle, after overnight (or longer) can cause severe wear on the accumulator piston.
On a DTT Tranny, Neutral is better for cooling flow...same as stock.
I'm no tranny expert...but these were two of the things I had stressed to me, by my installer, when I asked for a list of any Do's & Don't !
RJ
#14
Registered User
Thread Starter
Join Date: Feb 2002
Location: Sturbridge, Taxachusetts
Posts: 1,424
Likes: 0
Received 0 Likes
on
0 Posts
Re: Re: Does this sound like a transmission problem?
Originally posted by rjohnson
Signature shows you have a DTT tranny......
Signature shows you have a DTT tranny......
Thread
Thread Starter
Forum
Replies
Last Post
nesbob
3rd Gen Engine and Drivetrain -> 2003-2007
12
01-24-2008 11:40 PM
texasredrider
3rd Gen Engine and Drivetrain -> 2003-2007
9
09-07-2006 04:56 PM