Question about 2004 Dodge Ram 2500

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Shifting Problems Are the manual transmission synchronizers controlled by a computerized system? I am having trouble getting the truck in gears, had the clutch looked at and was told there is no problem. Is there sensors that could cause this? The vehicle is a 2004 Dodge Ram 2500 4x4. Thanks for your help.

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  • sershenj May 11, 2010

    same problem but 2002 4.7 manual shift

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  • 133 Answers

No computer synchronization. have you checked the fluid level/condition

Posted on Jan 13, 2009

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Transmission not shifting


Izzie: According to http://aamcosocal.com/car-troubleshooting/automatic/trouble-shifting-gears.php "If you begin having trouble shifting or staying in gear, it is usually an indication that an electrical, internal or external transmission part is worn or damaged." "This is a relatively common problem, and it could be caused by any of a number of possibilities:

  • An internal transmission repair may be necessary if parts within the transmission are worn or damaged
  • External controls for the transmission may simply need adjustment
  • External controls may need replacement
  • Electrical components may need adjustment or replacement" the thing is, because they are complicated and controlled by a computer, you pretty much have to have a transmission person take a look at it.

May 14, 2015 | Cars & Trucks

Tip

My car does not shift in second gear.


Hi.

The first thing to do is replacing the transmission fluid. Metal debris inside the transmission box gets mixed with fluid and can cause similar problems.

The automatic transmission uses throttle position sensor to determine position and opening of throttle.
IF throttle position sensor is defective, the car may have problems shifting into one or more gears.

The automatic transmission is controlled by an electronic control module, that is energizing a set of solenoids to shift into gears.
The control module is a rectangular box, often located behind the dash and wired to transmission. The solenoids are attached to valve body,inside transmission.

If a solenoid is defective, or if control module is defective, the car may have problems shifting into one or more gears.

Problems concerning transmission control module, TPS and transmission solenoid are usually detectable reading fault codes stored on the car main control module (ECU/ECM).

Transmission problems are often returning a code p0700 after an OBDII scan.

Stored codes can be retrieved using an OBD scan reader.
If the car auto transmission is not shifting into gear, talk to the mechanic about the problem.
Only when the car has a really high mileage, or when there is a factory problem there is need to replace the gearbox.
A damaged gear box at low mileage is rather unusual.

on Oct 23, 2009 | 1988 Jeep Cherokee

2 Answers

GEARS NOT ENGAGING WHEN THE CAR IS IDLING BUT ENGAGES WHEN THE ENGINE IS OFF


I assume it is a manual, in which case you have a problem with your synchro rings or your tranmission needs oil.

Apr 11, 2014 | 2007 BMW 320i E90

1 Answer

I would have trouble changing gears in my Rover 75 after around 15 minutes of driving. About 2 months later my head gasket blew. Could these problems of been related?


No, the problem with the head gasket would not be related-just bad coincidence for you.
Sounds like the synchronizer gears in your transmission are worn-that will make shifting difficult. The shop must have checked the clutch operation, if they put in a new clutch master cylinder
If it is the synchronizers, you'll just have to put up with it till you decide to replace or repair the transmission. (My toyota has a bad synch. for 3rd gear-hard to downshift-but I just live with it-too expensive to fix.)

Dec 03, 2011 | Cars & Trucks

1 Answer

2000 dodge diesel 3500 6 speed manual transmission- having problems shifting in to reverse and ist gear. mutch worse when hot. some times the only way is to shift very quick from 5th for reverse.and 2nd to...


I am going through this now my 2000 ram 3500 always had a problem with reverse

I chocked it up to a quirk of the transmission! But my mechanic found out that they only placed this trans in late 1999 and early 2000 trucks first years the 6 speed was offered. It comes with a smaller clutch and synchronizer that are no longer available unless you find a dealer with old stock sitting on a shelf. I am having to updated my cultch and am having to replace the gears that will allow the new type synchronizer to work this in just a about ½ the price of a new transmission BOHICA/FUBAR

So just get ready for a shock if you need to replace synchronizer rings

Sep 01, 2010 | 2000 Dodge Ram 3500

4 Answers

Ford ranger, getting harder to shift into gear


Suggest you check the fluid level of the transmission first. Remove the fill plug, and see if it is Below the proper level. Do Not fill at this time! There is a reason for this.

Then I would suggest draining the fluid. You are also looking for brass fragments in the fluid. Drain into a three quart metal, or plastic drain pan. (They are approximately 18 inches across, and 4 inches deep)

1.Manual transmissions use Synchronizer's made of a brass alloy. The synchronizers have tapered teeth, that the nose of the teeth can be worn down. Also a tapered surface on the synchronizer, that can be worn down. Brass fragments in the transmission fluid is a sign of this wear.

Some brass 'dust' will occur as normal wear. A large accumulation means you have problems. Transmission is hard to shift, is one of those symptoms due to this.

This link to an animated working of a five-speed manual transmission, may help to explain how the components interact with each other, and also help me to explain the Synchronizer/s.
(From Howstuffworks.com - Auto- Under the Hood - Transmissions and Drivetrain)

http://auto.howstuffworks.com/transmission3.htm

Looking at the animation, observe the 'gold' colored parts. In particular, observe the the pair of gold colored teeth at the rear. (The teeth are in a vertical row, going up and down)

Now also observe the blue colored teeth next to them, on either side. (On the spinning gears)
You are looking at a side view of the transmission, and also a side view of the Synchronizers.

The synchronizers are round just like the gears. They have a Female tapered surface where they meet the gear. The gear has a Male tapered surface on the outside of the gear, that matches.

When the female tapered surface of the synchronizer meets the male tapered surface of the gear, the friction contact makes the synchronizer start turning the same speed, as the gear.

Helps the gear being shifted into start turning also, and the - teeth of the synchronizer, - gear to be engaged, and - already turning components are synchronized to each other. They will be all turning the same speed, so shifting will be smooth.

This shows you Synchronizer rings for a 4-speed Muncie transmission,

http://cgi.ebay.com/ebaymotors/MUNCIE-4-SPEED-BRASS-SYNCHRONIZER-RINGS-1963-TO-1974_W0QQitemZ360137693405QQcmdZViewItem?rvr_id=&itemid=360137693405

Enlarge it for a better view.
See the teeth going around the synchronizer ring? Notice that they are pointed, or V shaped. When the nose, or tip of this V is worn down, a manual transmission is hard to shift.

Also observe the flat landing on top. (In this view it's on top) The flat landing has three rectangular cutouts in it. (There are used for Detents)

Come from that top landing, down the side to the teeth. This Side has a tapered surface. Tapered ever so slightly, that it is not readily visible in this photo.
When this tapered surface wears down, the transmission is hard to shift.

Summation?
1.Low fluid will cause hard shifting. It will also cause abnormally high wear of the synchronizer rings, (Synchronizer Rings are also referred to as 'Blocker Rings')

2.Worn Synchronizer Rings,
Broken or worn Detent 'buttons',
Broken Detent Springs,
and worn Synchronizer Hub's,
will cause hard shifting.

Should you not have an abnormal amount of brass shavings in your transmission fluid, and found the fluid to be low, you may want to just replace the fluid to the proper level, and see if this works first.

If so, I suggest contacting your Ford dealer, and see what the proper transmission fluid is for YOUR Ford Ranger. They will go by THE transmission is used in your truck, and will have any updates if better fluid has been developed since your truck was made.

I know dealers are expensive to buy from sometimes, but I implore you to use the transmission fluid they recommend.
It will have special additives.



Oct 31, 2009 | 2004 Ford Ranger

1 Answer

Jeep 1997 Wrangler. Gear shifting very hard


synchronizers are going bad a used trans would be cheaper than a rebuild due to the labor involved

Aug 19, 2009 | 1997 Jeep Wrangler

1 Answer

Gear shifting problem


The 1st thing to do is have a test run on the transmission control module to see if any trouble codes are present, next have you ever serviced the transmission, fluid and filter change, should be done at 60,000 miles, on occasion this can cure problems like yours.

Nov 05, 2008 | 1994 Acura Integra

1 Answer

2nd gear crunch


first of all you shouldn't be reving that high to change gears. that's too high. secondly if it's grinding only during the change from 1st to 2nd gear you may have a problem with the gears not being aligned anymore...ie synchronizers worn out, bearings worn out, etc. take to reputable transmission shop to get it diagnosed and repaired. it sounds like the synchronizers are a problem there. and you may have metal in your fluid now that it's been grinding which will affect the rest of the transmission. if you are speed shifting as in racing, you are not doing your transmission any good. you probably don't have a transmission built to do that if it's the original factory tranny... meaning you did a major NO NO to your tranny and are tearing it up speed shifting when it isn't built for racing.

Oct 13, 2008 | Hyundai Motor 1996 Elantra

1 Answer

SL1 manual transmission


if it is just one gear then it is a faulty synchronizer of gear......if it is more than one then it is because your clutch is not fully releasing or the pilot bearing......either way have a mechanic that knows transmissions have a look at it

Jul 12, 2008 | 1998 Saturn SL

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