Question about 1988 Cadillac Sedan DeVille

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1988 Cadillac Sedan Deville parking brake will hold in neutral; but not in park. Worked in both positions when I purchased the car two weeks ago. Thanks, David

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  • 1,190 Answers

Adjust the vacuum switch on top of the steering column under the dash

Posted on Aug 16, 2010

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Image of parking brake release control on a 1995 Cadillac sedan DeVille


On my Cadillac ('98), if the vacuum release does not work there is a lever directly above the peddle that will manually release the parking brake. Follow the lever up and it should be in front near the pivot pin.

Dec 18, 2015 | Cadillac Cars & Trucks

1 Answer

The serpentine belt on 1996 Deville broke. Attempted to pull car 1 mile home but it would not move. Can anyone tell me why and how to get it to move?


It should move freely with the transmission in neutral and parking brake released. The parking brake may be stuck engaged - it should release if you put the transmission in drive first (manually check that the parking brake pedal has released).

Oct 10, 2014 | 1996 Cadillac DeVille

1 Answer

What is a neutral safety switch?


The Neutral Safety switch monitors the position of your gear selector lever and either interrupts or allows the starting circuit in your car or truck to do its job. On newer vehicles it may also monitor the position of the brake pedal to make sure that the vehicle is in park or neutral AND that your foot is on the brake.

If your vehicle is equipped with a neutral safety switch, it should NOT start UNLESS the transmission is in Neutral or Park. On the other hand your vehicle SHOULD start when it is in Neutral or Park. If your car will start in Neutral but not in Park, you have a bad switch. Also, if your car or truck will only start by turning the key to the start position and wiggling the gear selector lever, your neutral safty switch is in need of replacement.

The nuetral safety switch is usually found near the gear shifter. If your car has the gear shift on the column, then the neutral safety switch is usully mounted on the steering column near the brake pedal. On floor mount or console mount vehicles you will find the nuetral safety switch mounted near or on the shifter mechanism.

Oct 24, 2012 | 1993 Cadillac DeVille

1 Answer

Emergency brake is engaged and i cant figure out how to release it? its a 1989 cadillac sedan deville


Hello, Look up under the dash next to the inside of the car, between the foot pedal for the park brake assembly, on the park brake assembly there should be a short lever, it may even be yellow on the end. pull it back toward you, that should release the park brake. The System is suppose to release automatically when you put the car in gear. It works off vacuum, the switch is mounted on top of the steering column and the actuator is mounted on the park brake assembly

Sep 18, 2010 | 1989 Cadillac Sedan DeVille

1 Answer

My 1989 cadillac deville parking brake is engaged and will not release when i put it in gear...


there is a manual release on the park brake assembly I think yellow tip lever. The unit releaases automatic by vaccum, if there is vaccum to the release vaccum solenoid but it doesn't release you need a new solenoid

Aug 24, 2010 | 1989 Cadillac Sedan DeVille

1 Answer

How do you shut off brake light on dash on a 1989 Cadillac sedan deville?


the park brake must be fully released if not the light will come on w/key on eng off reach down and pull back on the park brake pedal if light don't go out then it may be the brake fluid level switch located on the bottom of the brake fluid reservior. the switches were a high failure rate

Aug 23, 2010 | 1989 Cadillac Sedan DeVille

1 Answer

Parking lights and tail lights will not work, turn lights work, brake lights work and head lights work.


CHECK THE FUSE LOCATED ON LOWER PART OF INSTRUMENT ON DRIVER SIDE BETWEEN S/W AND DOOR

Aug 21, 2010 | 1988 Cadillac Sedan DeVille

1 Answer

Dumb question, How do I release parking brake on 88 DeVille? Thought there would be a lever somewhere but I can't find one Also, I've been told it needs premium gas. Is this true?


You have a car that was built withh all the bells and whistles you know. The emergency parking brake is not so sophisticated at all. Cadillac installed a vacuum pod to the release actuating lever which conjoins to the shift bowl. When you aplly your foot on the brake to shift the emergency brakes will release automaticly. If it will not release, the vacuum pod is at fault & will need a replacement. They are inexpensive at any Cadillac dealerships parts department.

Jun 20, 2010 | 1988 Cadillac Sedan DeVille

1 Answer

Parking Brake Indicator Light stays on. My 1988...


pull the breck release and kick it at the same time same thing i had to do hey it worked for me

May 21, 2010 | 1988 Pontiac Bonneville

2 Answers

I pushed my emergency brake down and now i can't get it back up


try putting the car in drive then back in park. should release brake.

Jan 20, 2009 | 1992 Cadillac DeVille

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