1998 Dodge Ram: Not Shift To Reverse?

Forward gears works fine,but transmission will not shift in reverse mode.

In such cases:---
First try basics.

First check transmission fluid.If its low or dirty.Replace it with new Fluid.

Second check if you get an Noise while you shift to reverse gear.Shift in reverse and see which part you hear noise.Inspect that part.

In some cases its seal issues in that case  you can do is add seafoam to the transmission.
But please note the seafoam will only help if  there is a seal issue.
Mostly what happens is that the alcohol in the additive will "Swell" the seals allowing them to seal and engage the clutches.Since that didn't help and you have no noise you could be dealing with a clutch issue.
The clutch needs complete inspection.
 Unfortunantly there is no quick easy fix for this issue, and it will need to be removed in order to repair it.
Also double check if you could install a pressure guage to the rear servo port on the side of transmission to verify that it is in fact getting the pressure needed to engage reverse.

For Exact Clutch assembly parts location,Please view the help Diagram shown below:-----



There is test procedure to rectify the issue and problem.
Exactly what part in the transmission/ clutch system is causing the problem.

Follow this test to confirm the issue with NO-Reverse Problem:-------



NO REVERSE (D RANGES
OK)

• Gearshift Linkage/Cable Mis-adjusted/Damaged.

In this case :  Repair or replace linkage parts as needed.

• Park Sprag Sticking. 

In this case : Replace overdrive annulus gear.

• Rear Band Mis-adjusted/Worn. 

In this case :   Adjust band; replace.

• Valve Body Malfunction. 

 In this case : Remove and service valve body. Replace valve body if any valves or valve bores are
worn or damaged.

•  Rear Servo Malfunction. 

In this case :  Remove and disassemble transmission. Replace worn/damaged servo parts as
necessary.

• Direct Clutch in Overdrive Worn. 

In this case: Disassemble overdrive. Replace worn or damaged parts.

•  Front Clutch Burnt. 

 In this case : Remove and disassemble transmission.Replace worn, damaged clutch parts as required.



This details will help.
Thanks.

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1998 Ford Expedition: Will not Shift Out of Park?

The Shifter will not release out of park mode.Vehicle stuck up in park and not move to drive mode or go to reverse.

First the few basics needs to be inspected.



When the shifter will not release from Park, first- Check your rear brake lights and see if they are working when you step on the brake pedal.

If the brake lights are NOT working, check your fuses.
Now if the fuses are good, and still no brake lights, the problem will be the Brake Light Switch.
The switch is located  at the top of the brake peal arm.
See the Exact location diagram of Brake light Switch shown below:----


This switch controls the rear brake lights, and also sends a signal to the Shift Interlock telling it to release when the brake pedal is depressed. Inspect the electrical connector for any loose, broken or damaged wires. If the visual inspection checks ok, replacing the switch will solve your problems.


========
The above mentioned in one possibility.But now think other way.
If the brake lights ARE working,then in that case the problem will be in the Shift Interlock system. Very commonly, this a Shift Interlock Solenoid problem. This solenoid is located on the steering column.
First Inspect the electrical connector for any loose, broken or damaged wires. If the visual inspection checks ok, suspect a faulty solenoid.

See below the exact location diagram for faulty part:----


This details will help.
Thanks.

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2007 Hyundai Santa Fe: Will not Shift out of Park Mode?

Tranny Stuck up in Park mode,will not shift out of park mode.

Gears will not shift to drive or reverse mode.No forward or backward.

Try Pushing the shift release and see if the gears are getting drive mode o not.


When the vehicle cannot be shifted from Park, first- Check the rear brake lights and see if they are working when you step on the brake pedal.

If the lights are NOT working, check the fuse labeled "STOP LP" in the driver's side fuse box. If the fuse is good, and still no brake lights, then the problem is going to be the Stop Lamp Switch located at the top of the brake pedal arm. This switch controls the brake lights, and also sends a signal to the shift interlock telling it to release when the brake pedal is depressed. Inspect the electrical connector for any loose, broken or damaged wires. If the visual inspection checks ok, replacing the switch will solve the problem.


For your help,see the diagrams shown below for exact part location:-----



But if the brake lights are working, then the problem will be in the Interlock Control Module (aka ATM Key Lock Control Module). This module is located behind the center dash.

For your help exact part location diagram is shown below:-----




This details will help.
Thanks.

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Shift indicator directly goes to 2nd when key is turned ON?

This problem is noticed on 2003 Chevrolet Silverado 2500 HD 6.0L engine.

This problem is noticed on many car models,not just on Chevy.

Actually in this problem,the truck will not start,but when you turn the Ignition KLey to ON mode,the shift indicator will go to second gear.It will not go back to park mode or any further gears.It just goes to second gear.

In this types of problem,first the basic possibilities needs to be inspected and replaced.

The neutral safety switch.This has to be checked,if its faulty,then replace it.If neutral safety switch is checked ok,then it can be loose wiring issue,pull the dash apart and inspect the wiring's and its connectors,if any is loose then reconnect the connectors.

But in case,if all checked out ok,then ...........

This is a simple issue and yes a common one,but the one that you are unable to fix with parts. The issue is a firmware issue in the PCM. This faulty firmware causes this to happen and will not allow it to start even if you jump the starter.

The only fix is the update. Now this can be done a a gm dealer or a shop that does gm programming. It should take about 20 mins and an honest shop would charge only about 40-50 dollars for this. But the cost may increase f the reprogramming takes more time.

This details will help.Thanks.

-----------

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