Author Topic: 97 Ram 1500 Shift Problems  (Read 2389 times)

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Offline ChrisKD

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97 Ram 1500 Shift Problems
« on: September 24, 2007, 07:31:53 AM »
Anybody care to help me on this one?

1997 Ram 1500 4x4 Ext Cab, 360-518OD

Truck doesnt shift out of 1st gear on the open road.  Fluid is full, doesnt smell burnt or look funky, Linkage hasn't been F'ed with.

I'm thinking something with the shift solonoid (so is my dad). What's anybody else got to say on this?
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    Offline KThaxton

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    Re: 97 Ram 1500 Shift Problems
    « Reply #1 on: September 24, 2007, 08:28:46 AM »
    Any codes?
    STOP PLATE TECTONICS!

    You're absolutely correct, Kendall. My mistake  ;D

    Offline DODGEBOYS

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    Re: 97 Ram 1500 Shift Problems
    « Reply #2 on: September 24, 2007, 09:01:16 AM »
    Vehicle Description:  1999 Dodge Ram 2500 Pickup 5.9L, DIESEL, Vin 6, Turbo, Eng Cfg L6 
     
       
     
     Mileage:  87722 
     
       
     
     Customer Concern:  Once the vehicle is warm, the transmission does not always want to shift out of first or second gear. 
     
       
     
     Tests/Procedures:  1. Check the governor pressure sensor voltage Key On Engine Off (KOEO). It should be about 0.5 -0.7 volts.

    2. Monitor the desired governor pressure. If that goes higher along with vehicle speed, the Output Shaft Speed (OSS) sensor is working OK.

    3. If the OSS sensor is working OK, replace the governor pressure solenoid. 
     
       
     
     Potential Causes:    Speed sensor
    Governor pressure solenoid
    Wiring
    Powertrain Control Module (PCM)

    ** Confirmed Fix **
    Governor pressure solenoid
     
     
       
     
     Tech Tips:  The OSS sensor is used by the Powertrain Control Module (PCM) to control the governor pressure. The governor pressure sensor is monitored by the PCM, so the PCM can achieve the desired governor pressure. As the output shaft speed increases, the duty cycle to the governor pressure solenoid will come down. The pressure comes up creating the upshifts. 
     
    put your truck info HERE
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    Re: 97 Ram 1500 Shift Problems
    « Reply #3 on: September 24, 2007, 09:03:33 AM »
    Vehicle Description:  1997 Dodge Ram 1500 Pickup 5.9L, GAS, Vin Z, Eng Cfg V8 
     
       
     
     Mileage:  139892 
     
       
     
     Customer Concern:  Having a transmission shifting problem. 
     
       
     
     Tests/Procedures:  1. Check the governor pressure, the voltage on the pressure sensor and the duty cycle to the solenoid when it is acting up.

    2. Normal governor pressure stopped is 0 PSI and goes up approximately 1 lb per MPH.

    3. If the pressure reading on the gauge does not agree with the pressure sensor reading, replace the pressure sensor. 
     
       
     
     Potential Causes:  Governor pressure sensor
    Governor pressure solenoid
    Wiring
    Powertrain Control Module (PCM) 
     
       
     
     Diagnostic Codes:  None 
     
       
     
     User Comments:   None
     
     
       
     
     Category:  Transmission (Automatic)
    Shifting Problems
    put your truck info HERE
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    Re: 97 Ram 1500 Shift Problems
    « Reply #4 on: September 24, 2007, 09:08:44 AM »
    Vehicle Description:  1999 Dodge Ram 2500 Pickup 5.9L, DIESEL, Vin 6, Turbo, Eng Cfg L6 
     
       
     
     Mileage:  100000 
     
       
     
     Customer Concern:  Transmission will not shift out of 1st gear. 
     
       
     
     Tests/Procedures:  1. Check the resistance of the Output Shaft Speed (OSS) sensor. It should be less than 800 ohms. 
     
       
     
     Potential Causes:    Bad OSS sensor

    ** Confirmed Fix **
    Bad OSS sensor
     
     
       
     
     Diagnostic Codes:  None 
     
       
     
     User Comments:   None
     
     
       
     
     Category:  Transmission (Automatic)
    Shifting Problems 
     
    put your truck info HERE
    MOPAR TO YA! AARON HOWORD TOWNSEND / SLANTEDMIND---GOD BLESSDODGEBOYS FSM STORE
    ramchargercentral@hotmail.com
    DO NOT use the site IM,s to contact me  l have them turned OFF

    Offline ChrisKD

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    Re: 97 Ram 1500 Shift Problems
    « Reply #5 on: September 24, 2007, 10:56:51 AM »
    No Trouble Codes and i think i may have found the problem.

    My grandfather took it out on the road while i rode shotgun..  It does actually shift out of first gear, but not before hitting the Redline.. IE it's winding out at top rpm's before shifting.

    We brought the truck back and i decided to check the fluid again (just to shut my grandfather up, incase you're wondering it's his truck) and While i was checking the fluid i noticed that the Kickdown cable has alot of slack in it

    It must be stretched or hung up, you have to manually push the cable back after you open the throttle.
    76 Ramcharger 318/727/203
    48 Dodge Pickup
    83 Scamp GT 2.2 Turbo AWD
    92 Dakota 5.2/518/231
    84 PW50 273/727/100/203
    74 Duster 6-71 Blown 340/833/D60
    73 Duster 340/727/8.75
    73 Dart Sport 340/833/8.75
    73 Dart Sport 340/727/8.75
    71 Duster : Viper V10/6-Speed/8.75
    71 Demon 8-71 Blown 540 Hemi/833/D60
    72 Demon 340/833/8.75
    65 Cuda 273/904

    Offline KThaxton

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    Re: 97 Ram 1500 Shift Problems
    « Reply #6 on: September 24, 2007, 11:37:33 AM »
    They did come with a return spring on the trans lever (on the trans). Maybe its missing?
    STOP PLATE TECTONICS!

    You're absolutely correct, Kendall. My mistake  ;D

    Offline DODGEBOYS

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    Re: 97 Ram 1500 Shift Problems
    « Reply #7 on: September 24, 2007, 12:44:58 PM »
    the spring is on the tranny lever
    put your truck info HERE
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