Question about 1991 Cadillac Seville

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I have a 1991 Cadillac seville and when i insert key, it just spins freely without engaging? All lights on dash working just wont turn over?

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  • 51 Answers

You need a starter or bendix spring repair.

Posted on Dec 13, 2014

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Posted on Jan 02, 2017

  • 341 Answers

SOURCE: NEED LOCATION OF THERMOSTAT IN

  1. Drain the coolant to a level below the thermostat housing.
  2. On some vehicles, access is easier if the front-end beauty panel and the air cleaner are removed.
  3. Remove the 2 bolts securing the thermostat housing to the intake manifold.
  4. Remove the thermostat housing.
  5. Remove the thermostat and O-ring from the housing.
0900c15280090476.jpgThermostat installation—4.6L Engine 0900c15280090477.jpgLoosen the upper radiator hose clamp at the thermostat housing 0900c15280090478.jpgRemove the upper radiator hose clamp from the thermostat housing 0900c15280090479.jpgRemove the thermostat housing retaining bolts and . . . 0900c1528009047a.jpg. . . remove the thermostat housing from the engine 0900c1528009047b.jpgSeparate the thermostat from the housing To install:
  1. Install the thermostat and new O-ring to the housing.
  2. Install the thermostat housing to the intake manifold. Tighten the thermostat housing bolts to 18 ft. lbs. (25 Nm).
  3. Refill the cooling system using a 50/50 mixture of water and ethylene glycol antifreeze.
  4. Install the air cleaner and beauty panel, if removed.
  5. Start the engine and check for coolant leaks. Allow the engine to come to normal operating temperature. Recheck for coolant leaks.

Posted on Nov 27, 2008

Testimonial: "thanks for the great detailed information-greatly appreciated"

  • 341 Answers

SOURCE: service engine soon light on a 2000 cadillac seville

The service engine soon light indicates you have a problem with the engine management system.The only way to get it to stay off is to lacate and repair whatever is not working correctly. Requires very specialized equipment. Take it to your mechanic.

Posted on Nov 28, 2008

polarcycle
  • 1392 Answers

SOURCE: 2003 Cadillac Seville Key Fob

At the dealership with a computer.

Posted on Mar 11, 2009

honeymokey
  • 3113 Answers

SOURCE: Dash lights in '90 cadillac seville not working

Most likley the instrument dimmer switch and that is part of the headlight switch, try wiggling it to get them on.

Posted on Apr 06, 2010

  • 1 Answer

SOURCE: cadillac seville won't start

I've got an even cheaper and easier solution, instead of buying a new cylinder, find that plug and snip the orange wires going to the old cylinder.Then remove the resistor chip from the key and solder each of the the wires to each side. this will fool the car into thinking the correct resistor chip is in place, allowing you to use the original key or any copies with or without resistor chips. i just did this to my caddy and it roared to life! :)

Posted on May 20, 2010

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1 Answer

1991 caddillac seville car ingntion turns but car wont turn on all the electrical lights come on


Look for a light on the dash that says antitheft or security. These cars had issues with this system failing and disabling the starter. If you see this light, go to this link. http://vatspasslockpasskeysecurityhelp.yolasite.com/

Oct 07, 2011 | 1991 Cadillac Seville

1 Answer

I have a 91 seville. i go to put the key in the ignition and it just spins, from the lock position to the start position without engageing anny of the other options such as accsesory and what not. whats my...


This sounds like the cylinder lock is bad, you will need to remove the cylinder and check to see if the rear of it is broken, the other problem is did someone try to steal the car, look on the other side of column were the signal level is and see is theres any damage to column , this is were a crook would break the plastic to start car by breaking the linkage, if thats fine then i would say the switch is bad,good day.

Aug 06, 2011 | 1991 Cadillac Seville

1 Answer

I have a olsmobile intreig 1999. i changed the egnition switch when u turn the key the lights and wipers work but car wont turn over it blinks securety. i dont have security how do i bypass to get the car...


what you have done is to change the ignition switch and not had it re-programmed ,if you still have the original key then take the chip out out of it and put it inside the new key then it will start if not for whatever reason then call breakdown truck and have it taken to a dealer

Mar 08, 2011 | 1991 Cadillac Seville

2 Answers

My 1990 Cadillac Deville wont start or engage starter


Sounds like you blew fuse. Fix fuse and borrow a car starting switch they use at car repair shops. As long as you can turn tumbler to on ,you can start using the starting switch from repair shop..There should be a way to run a start button to start car and your off/on key should be OK
Ron

Feb 17, 2010 | 1991 Cadillac Seville

2 Answers

Cadillac seville won't start


I've got an even cheaper and easier solution, instead of buying a new cylinder, find that plug and snip the orange wires going to the old cylinder.Then remove the resistor chip from the key and solder each of the the wires to each side. this will fool the car into thinking the correct resistor chip is in place, allowing you to use the original key or any copies with or without resistor chips. i just did this to my caddy and it roared to life! :)

Sep 20, 2009 | 1990 Cadillac SeVille

2 Answers

91 seville theft system


but what orange wire their plenty

May 28, 2009 | 1991 Cadillac Seville

1 Answer

Timeing


you need a timing key and a timing light. the timing key gets inserted in the diagnostic connector a-b position if i remember correctly i would consult the manual to be sure.then hook up the light and set the timing like you would most any distributer type engine

May 11, 2009 | 1991 Cadillac Seville

2 Answers

How to bypass theft system in my 91 seville


The easiest thing to do is lock the doors MANUALLY, which will NOT allow the secuity system to arm, Now if your talking about the PASSKEY ANTI THEFT, well bypassing that system is another invlved issue. Hope this helps

May 04, 2009 | 1991 Cadillac Seville

1 Answer

My 1991 cadillac seville will not start


Get a new cylinder put old key with chip in it. Find orange wire from old lock cylinder at bottom of steering column just under dash. Disconnect and connect new wire from new lock cyl. Get a copy of the old key for the old lock cylinder {no chip needed} to start car. Hide or mount new lock cylinder hidden under dash. Remove chip key to activate theft system.

Mar 13, 2009 | 1991 Cadillac Seville

1 Answer

Will not start


HAVE YOU CLEANED YOUR SPARK PLUGS?? a bad wire can do this too. try changing the wire

Oct 13, 2008 | 1991 Cadillac Seville

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