Question about 2004 Cadillac Deville

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Need diagram of 2004 cadillac deville spark plugs

Need firing diagram for spark plugs

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: replacing spark plugs

Changing spark plugs in your Cad is not an easy thing. I tried it using the chiltons manual and it took five hours. Just in case you want to try it yourself you will need to start by removing the engine cover (two screws easy to locate). Next step is the tricky and tedious part. A black cylider with small vacuum tubes located at the rear center next to firewall needs to be removed. It is attached to the engine by an somewhat difficult to reach bolt and a almost impossible lower bolt that can be acessed underneath if you can find it and have hand of a ten year old. I removed it from bottom of vehicle than tightened it after from the top this is by far the most difficult of the process watch your knuckles. This vacuum valve is connected to a silver hose which needs to be unscrewed to remove valve two screws attach it from the bottom. This is another difficult one. Make sure the your socket is firmly onto the wrench, one socket remains hidden after it fell off, making a extra trip to the store neccasary after losing it. Move valve out of the way as best you can and what remaing are 8 bolts holding on the "ignition coil assembly". These shoul be taken out in a "W" pattern: top bottom top bottom. Remove these and remove panel another very tight fit. Remove spark plug boots and take out spark plugs and keep in order so that spark plug damage can be assessed according to corrisponding cyclider. Repeat for front plugs and reverse steps to reassemble. Spark plugs come pregaped. Start with the rear plugs, they are the most difficult, and you have a better idea how much time it will take.

Posted on Sep 29, 2008

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emissionwiz
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SOURCE: I need to find were i can get a diAGRAM OF THE FIRING ORDER OF A 1990 CADILLAC DEVILLE

Here u go.

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Posted on Apr 17, 2009

  • 834 Answers

SOURCE: need the spark plug order for 1999 cadillac

Here is a firing order diagram that will help you out.


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Posted on Jun 11, 2010

jturcotte
  • 8743 Answers

SOURCE: need a spark plug wire diagram 1995 cadillac

from autozone.com

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Posted on Oct 29, 2010

  • 29 Answers

SOURCE: were is the spark plugs located for a 2000

The center of the valve covers, under the plastic looking coil pack.

Posted on Mar 03, 2011

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This firing order diagram would not post in the clarification request for some reason, use this diagram with the information in the clarification request.


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What order do the wires go on the distributor cap


You didn't post your engine size so please use the appropriate diagram:


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GM (Cadillac) 250 (4.1L) V8 .GM (Cadillac) 273 (4.5L) V8 .GM (Oldsmobile) 307 (5.0L) V8 .GM (Oldsmobile) 350 (5.7L) V8 w/EFI.Engine firing order: 1-8-4-3-6-5-7-2 .Distributor rotation: counterclockwise



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GM (Buick) 252 (4.1L) V6 .Engine firing order: 1-6-5-4-3-2.Distributor rotation: clockwise



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1999 cadillac sedan deville won't fire to start


you need to figure out if your missing spark at the plgs,or check fuel pressure at fuel rail,you'll need at least 55psi of fuel pressure,but if you have had no luck spraying the throttle body,your probably missing spark

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Firing diagram for 1990 caddy sedan deville front wheel 4.5?


To avoid confusion, remove and tag the spark plug wires one at a time, for replacement.
If a distributor is not keyed for installation with only one orientation, it could have been removed previously and rewired. The resultant wiring would hold the correct firing order, but could change the relative placement of the plug towers in relation to the engine. For this reason it is imperative that you label all wires before disconnecting any of them. Also, before removal, compare the current wiring with the accompanying illustrations. If the current wiring does not match, make notes in your book to reflect how your engine is wired.

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4.5L and 4.9L EnginesEngine Firing Order: 1-8-4-3-6-5-7-2 Distributor Rotation: Counterclockwise

Hope helped with this (remember rated this help) Good luck.

Nov 10, 2009 | 1990 Cadillac SeVille

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