Question about 2000 Cadillac DeVille

2 Answers

Transmission fails to engage in forward or reverse.

When the shifter is moved from the park position to forward or reverse, the position indicator does not move. The transmission was fine the night before the problem and the fluid is up. I checked the fuses and they are OK. Any help at all would be greatly appreciated. Thanks; Phil

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  • Phil Teane Feb 24, 2012

    The transmission brake interlock still works, therefore not broken. It is possible the linkage may have slipped somehow as it seems there is no resistance on the shifter. It does move out of park and everything after that is like neutral. Any comments? Phil

  • Phil Teane Feb 24, 2012

    If t/he linkage was not moving, would I be able to shift out of park?

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  • Cadillac Master
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If the transmission is not extremely low on fluid then there is but one reason for this, the transmission has failed and will need to be removed and rebuilt or replaced with a reman unit.

Posted on Feb 23, 2012

  • yadayada
    yadayada Feb 24, 2012

    Go under the car and make sure the shift cable is connected to the transmission.

  • yadayada
    yadayada Feb 24, 2012

    The park lock has nothing to do with the transmission engaging as long as you can shift it to drive or reverse. Like i said go under the car check to see if it is attached.

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Trans does not need to be rebuilt these transmissions have several electrical components in the oil pan of the transmission if you are able to move the shifter and the gear indicator does not move or the car does not move this could be a failed shift positionng sensor a low cost repair also called an IMS module

Posted on Apr 15, 2012

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Posted on Jan 02, 2017

mabpest
  • 1152 Answers

SOURCE: hard shifts park to reverse park to forward

may need a transmission flush , new filter and fluid or a solenoid shifter which requires a tranny shop to repair.

Posted on Feb 10, 2011

  • 521 Answers

SOURCE: I have a 1999 Cadillac Esclade,Automatic Transmission

internal transmission problem. Unless you know how to rebuild a transmission it is best to take the dealr or a transission repair shop like AAMCO.

Posted on Jul 18, 2009

  • 23 Answers

SOURCE: 1997 Cadillac Seville transmission does not engage any gears

it sounds like the problem started with the brake shift iterlock switch by forcing it he now broke the trans shift cable mech at the column

Posted on Mar 10, 2010

  • 60 Answers

SOURCE: vechile will not shift into park or reverse

The first thing to check is the linkage. Sometimes the linkage will slip, Block the wheels on the car (both front and rear) to prevent rolling. Locate the shift linkage on your transmission, and loosen the nut. You should be able to move the shift lever through all the gears, including "P" and "R". Place the transmission shift lever in "Park" (on the transmission) then move the shift lever (inside the car) in the "P" position and tighten the nut (not a bad idea to use a new locking nut here) You should now be able to shift through all gears. If this does not work, you have a more serious problem that may include a worn or broken belt or broken parking pawl inside the transmission.

Posted on Apr 05, 2010

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spaclear.gif A simple procedure to prevent being jammed in PARK on a grade:
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2008 Chevy Cobalt - care is running, but I can't turn it off! Go to park, try and move the key and it won't move to the off position to turn off the car


replace the shifter assembly.I replace alot of them.use this bulletin as a reference.Subject: Various Concerns With Shifter and/or Ignition Key (Replace Shifter Assembly/Shifter Components or Ignition Lock Cylinder )


Models: 2005-2008 Chevrolet Cobalt

2005-2006 Pontiac Pursuit (Canada Only)

2007 Pontiac G5

with Automatic Transmission 4T45-E (RPO MN5)

Some customers may comment on any of the following concerns:

• The shifter is hard to move or binds.

• They cannot remove the ignition key.

• It takes high effort to rotate the key.

Cause 1
The shifter button may be sticking in the handle.

Cause 2




The pin that activates the micro-switch may have moved out of position (refer to illustration above). This causes the micro-switch to fail to engage when the vehicle is placed in Park. If this condition is present, the customer will not be able to remove the key from the ignition.





The illustration above shows the switch in a correct position.

Cause 3
Metal flashing left in the cylinder may cause a high effort to rotate the key.

Cause 4
The slider may be binding in the guides. This may cause the shifter to become difficult to operate.

Correction 1
Verify that the shifter button is inoperative by evaluating if the park pawl pin on the shifter assembly moves when activating the button. If the parking pawl does not move when the button is activated, the shifter handle will have to be replaced. Refer to Floor Shifter Control Knob Replacement in SI.

Correction 2
Important: A change has been made to the shifter assembly for service. The replacement shifter assembly will read PRNDIL (Park, Reverse, Neutral, Drive, Intermediate and Low).

Verify that the micro switch is out of position. Replace the shifter assembly. Refer to Transmission Control Replacement in SI.

Correction 3
Important: Refer to instruction sheet that is supplied with the lock cylinder kit. BO 47869 is an essential staking tool and must be used for the repair.

Replace the ignition lock cylinder. Refer to Ignition Lock Cylinder Replacement in SI.

Correction 4
Replace the slide indicator and guides in the shifter following the procedure below:

Apply the parking brake.
Remove the upper console trim. Refer to Trim Plate Replacement-Console Front in SI.
Remove shifter knob. Refer to Floor Shifter Control Knob Replacement in SI.
Remove the indicator plate. Use a flat-bladed screwdriver to release the locking tabs.
Remove the shifter indicator lens.
Pull up on the indicator and remove it from the assembly.
Remove the two front rails by unsnapping the front and lifting up, and then back, to remove the rails from the shifter assembly.
Install the new guides. Place the hook end into the assembly and push down. It will snap into place.
Install the new slide indicator. With the transmission in neutral, place the slide over the shifter and into the guides. Move the slide indicator down the guides in the front and rear.
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Install the shift indicator lens.
Install the shift indicator plate.
Install the shifter knob. Refer to Floor Shifter Control Knob Replacement in SI.
Install the upper console trim. Refer to Trim Plate Replacement-Console Front in SI. post back with what you find.

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