20 Most Recent 2004 Cadillac Deville - Page 4 Questions & Answers

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2004 DeVille. How do I replace push rods?

Remove the valve covers remove the rocker arm assemblies pull out the push rods carful not to pull the cam followers out install new pus rods
6/13/2015 1:50:23 PM • 2004 Cadillac... • Answered on Jun 13, 2015
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Drivers side rear parking light not working. Brake and turn signal work fine. Fuse under seat is ok. Any ideas?

Blown bulb. The bulbs use a two wire one wire for brake and turn signals another for tail light
5/28/2015 10:51:27 AM • 2004 Cadillac... • Answered on May 28, 2015
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How to replace divertator actuator a/c

The passenger side temperature control may not be working properly. Have you tried cycling this temperature using this control? If it has no effect, there can me a number of different problems - no easy fix.
5/24/2015 7:13:22 PM • 2004 Cadillac... • Answered on May 24, 2015
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What is OBD code po4 18 on a 2004 Cadillac deville

P0418 Secondary Air Injection System Relay "A" Circuit Malfunction Read more at: http://www.obd-codes.com/trouble_codes/ Copyright © OBD-Codes.com
5/23/2015 3:24:03 AM • 2004 Cadillac... • Answered on May 23, 2015
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My 2004 cadillac deville started jumping or jerking what you may say today as I was accelerating today. What is the cause of this ? Also I have a oil leak do I need to change val cover gasket

Hummm,jumping and jerking can be the fuel filter easy fix autozone can show you where its located , or fuel pump, coil, or electrical short go too autozone plug it into their free computer check.#2 leaky valve covers are a pain but maybe a snugging up on the bolts will help and a can of gasket renewer from autozone is cheeper than a mechanic
5/16/2015 2:07:01 AM • 2004 Cadillac... • Answered on May 16, 2015
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While driving my 2004 Cadillac

I had that on an HHR, the tire tread was coming loose.
5/2/2015 10:08:43 PM • 2004 Cadillac... • Answered on May 02, 2015
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How to replace motor mount in 2004 cadillac devill

Which one? there are three mounts, and all of them require carefully lifting the engine/transmission assembly. The front one is the most susceptible to damage, and the toughest one to replace as it requires lifting and tilting the engine.
5/2/2015 8:23:41 PM • 2004 Cadillac... • Answered on May 02, 2015
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My Cadillac devil 2004 is prompting me saying"tire monitoring sensor" isn't wiring or need to be replaced. I'm a do it yourself kind of guy is this something I can fix myself ? And what's my best plan

The TPMS monitors tire pressure and sends a signal to the Cadillac's computer when there is low tire pressure. When the tire pressure is restored, the Cadillac's TPMS should reset itself. However, if it does not, the TPMS light on the dash will stay lit. When this happens, you need to know how to manually reset the TPMS light and sensors.Instructions1 Press and hold the tip odometer button on the gauge cluster.2 Wait until the display screen brings up the settings menu.3 Release the "reset" button and press it again to scroll through various settings.4 Keep pressing the "reset" button until you come to the TPMS setting.5 Press and hold the "reset" button until the TPMS light on the dash resets.
5/2/2015 7:59:01 PM • 2004 Cadillac... • Answered on May 02, 2015
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How do i fix the driver side window switch

The thing to do first is have the vehicle hooked up to a professional grade scan tool an have it checked for DTC'S in the driver door module , an to see if the scan tool will talk with the module ! Then if no codes are present check for battery power an good grounds at the module ! You have to take the door panel off the door to get at the module . I have one of these modules out in my tool box , I got it at the auto salvage yard . $10.00 In order to control window operations, as well as other door functions, door modules must be powered up. Battery voltage is supplied by the rear fuse block, through separate circuits, to each door module. Each door module is separately grounded through a ground stake. Additionally, the door modules use these power and ground supplies to provide voltage and ground to their associated window switch, and to provide voltage and ground for door lock operations. The front door modules also use these power and ground supplies to power the window express up sensors, and for outside rearview mirror operation . How to test computer controlled door locks
4/10/2015 10:15:15 PM • 2004 Cadillac... • Answered on Apr 10, 2015
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2004 Cadillac deville with the 4 O2 Sensors. P0141 is code I need to replace (bank 1 sensor 2 - pre cat on Y pipe) . My question is: What is AC Delco part numbe? The dealership says

Your question is incomplete. However, the numbers should be GM 12569429, AC Delco 213-1568. For AC Delco, check part pix at Amazon.
4/2/2015 7:34:04 PM • 2004 Cadillac... • Answered on Apr 02, 2015
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2004 Cadillac DeVille hot air blows out of passenger and rear vents when air condition is running

Does adjusting the passenger side temperature control on the dash have any effect?
3/30/2015 12:08:16 PM • 2004 Cadillac... • Answered on Mar 30, 2015
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I have an 04 Cadillac deville and its having transmission problems it was running great one minute and ten minutes later it won't go into gear or any gear with the lever still moves the same way it al

Check the linkage between the lever and the transmission in the shifter assembly. The assembly may be worn out and need to be replaced. To see how to do this take a look at: https://www.youtube.com/watch?v=GgZA6PbxaVA
3/24/2015 9:02:17 AM • 2004 Cadillac... • Answered on Mar 24, 2015
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04 deville,abs,pcs,brake light,will not go off after replacing rear air shocks with hydraulic ones.What can be done?

It is very unwise to replace these struts (front or back) with generic shocks! For example, if you have the road sensing suspension (RSS) option, the struts are computer controlled, and when the computer detects no connection to the strut or a strut problem, you get errors. If this is the case, some folks have terminated the wiring that was removed from the strut with special resistors to fool the computer - check the Cadillac Owners forum for details. Also, disconnecting the air pump is not wise - more computer errors. Cadillacs do NOT like aftermarket equipment that does not meet GM specs - a lot less trouble to bite the bullet and just use OEM parts.
3/15/2015 12:25:23 AM • 2004 Cadillac... • Answered on Mar 15, 2015
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How do you remove a blower motor resistor from a 2004 Cadillac deville

No resistor - there is a blower motor control processor attached to the blower motor housing under the dash on the passenger side. You should be able to get at it by removing the kick panel under the dash - just follow the wire harness to the processor connector.
3/2/2015 11:56:59 PM • 2004 Cadillac... • Answered on Mar 02, 2015
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How do i remove the ignition switch on 04 cadillac diville with no key

You don't - take it to a dealer.
3/2/2015 11:04:34 PM • 2004 Cadillac... • Answered on Mar 02, 2015
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I have a 2004 Cadillac Deville when I go to start it,it wont start. I lost the original key but had one made. what can I do to get it started

How long since you last started? Has the copy worked before? How did you "have the key made". Did a Locksmith make it? Did it work after he made it? If so Id go back to the locksmith if the key is the problem. If it's been a while since you started with the replacement key, I'd check the battery.
2/26/2015 7:33:33 PM • 2004 Cadillac... • Answered on Feb 26, 2015
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Where is the blower motor resistor located on a 2004 Cadillac deville

under hood passenger side in the plenum box
2/22/2015 5:58:56 PM • 2004 Cadillac... • Answered on Feb 22, 2015
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How to replace 04 deville emissions air pump also rear shock replacement replacing the air.Alsofront engine .mount

Hey Rick , that's a lot of info and most of it can be found at auto zone library and its all free, the other is buy an repair manual only 20.00 and you will have all the info for future reference.
2/22/2015 2:10:32 AM • 2004 Cadillac... • Answered on Feb 22, 2015
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