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High idle on a 93 cadillac sedan deville - Cars & Trucks

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  • Cars & Trucks Master
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Could be a sticking throttle, throttle or cruise control cable, idle speed control motor, or vac leak.

Posted on Jan 13, 2013

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6ya6ya
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Posted on Jan 02, 2017

cadman000
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SOURCE: need to replace turn signal switch 93 cadillac deville

First do you have a sterring wheel puller. Can't remove the steering wheel without one. Quite an involved job including snaking the electrical connector end through the steering column. I wouldn't recommend it to the novice

Posted on Mar 29, 2009

  • 538 Answers

SOURCE: I have a 97 cadillac sedan deville. I just

It sounds like they didn't get the cooling system filled completely, there's an air bubble. I had a problem with a 2000 Oldsmobile overheating, it turned out to be the aftermarket thermostat. I bought a stat from GM the problem went away.

Posted on Dec 12, 2009

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Kravcar
  • 192 Answers

SOURCE: replacement sequence for serpentine belt for a 96 cadillac devill

Assuming you have the Northstar engine

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Posted on Apr 28, 2010

  • 1 Answer

SOURCE: where is turn signal flasher 93 cadillac sedan deville located?

On the 1993 Sedan de Ville, The hazard flasher is easy to locate, under the dash between the steering column and the radio. Looking up, you will see the smooth round side of the flasher and the wires will be attached to the top.

The turn signal flasher is more difficult to get to, but readily accessed with a T-15 torx driver and a little patience. It is located to the left of the steering column, but is most easily accessed through the dash panel instead of from underneath.

1. remove the T-15 screw from above the headlight switch, above the fuel data center, and above the small panel similar to the one around headlight switch. All of these are somewhat hidden, and you'll need to feel for them or get low and look up at them.

2. Using a bent piece of wire or an allen wrench, or anything else handy, pull off the small trim piece that is directly below the steering column. On my car, this is wood-grained plastic. This will expose two more screws that need to be removed.

3. Now, you should be able to remove the large dash trim panel that goes around the fuel data center.

4. Unscrew the two T-15 screws that hold the fuel data center into the dash, and it should pull straight forward. There should be plenty of wire to move it out of the way.

5. The turn signal flasher is the silver can that you see to the right in the opening you just created by removing the fuel data center module. It has a single plug with two conductors on the back. I had to use a small screwdriver to pry it off.

It is a different part number, so I don't know if you can just swap it for the hazard flasher to test it like you can on many cars. I just replaced mine with a Wagner 323, which is what came out of mine.

Posted on Apr 30, 2010

Kravcar
  • 192 Answers

SOURCE: 1996 Cadillac Sedan Deville that overheats only when idling

The most common overheating problem with the Northstar engine is a blocked purge line(small hose).The purge line is designed to purge air out of the cooling system.
There is a small diameter hose coming from near the top of the coolant tank (not the cap) ,this is the purge line.
With the engine idling,pull the purge line from the tank,if there is no coolant flow from this small hose,it is blocked and this will cause overheating.
If the hose is clear, check for blockage at the nipple on the tank.Or trace the hose back until you find the blockage.
The hose goes in to the engine to a crossover and comes out the other side close to the thermostat housing,the blockage may be there.

Posted on Jun 21, 2010

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