Question about 1998 Cadillac Seville

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1998 cadillac seville sts air ride prob

1998 cadillac seville sts. Code says service system after we installed a new air ride pump. Where do we go from here?

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  • Anonymous Mar 31, 2014

    air ride pumps up and ride rough

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You may need to change the compressor filters in rear. It what im thinking but whatever hope you figue it out

Posted on Nov 06, 2014

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Disconnect the - battery terminal for a minute and reconnect.
Good Luck

Posted on Jun 14, 2009

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Jan 11, 2016 | Cadillac Cars & Trucks

1 Answer

Can i put a fuel pump from a 91 cadillac fleetwood in a 94 seville sts


Check with the auto parts store to see if they both have the same part no's. It's quite possible they are the same.

Dec 25, 2012 | Cars & Trucks

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1998 CADILLAC SEVILLE STS I GOT A REBUILT ECM COMPUTER WAS CLEAN AND PROGRAME TO THE VIN , DOES IT NEEDS MORE PROGRAMING OR JUST INSTALE?


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Jul 15, 2011 | 1998 Cadillac Seville

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How too get service air bag light off 2003 seville sts


Hello, To get this light to go out and stay out you are going to have codes read by a scanner, when you get the code you will have to diagnose the system and repair /replace the component that is causing the problem. hope this will help you.

Sep 06, 2010 | 2003 Cadillac Sts

1 Answer

Vacuum Leak, the car jurks sometimes while riding.


When the problem is a vacuum leak you also have troubles at idle.
The vacuum can be tested using an hand tool gauge like this.
Vacuum/Fuel Pump Tester Kit
Once you find the leak, replace the leaking part.
Often it is easy to find the leak at a glance, as it is hissing or you notice the air out from the leak. Other techniques are pumping smoke inside vacuum or spreading soapy water on vacuum lines.
check also the EGR valve.
If you need the vacuum system diagram purchase a repair manual like this one : 2000 Cadillac SeVille STS Repair Manual on CDROM .
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Jul 14, 2009 | 2000 Cadillac Seville

1 Answer

1998 seville sts check suspension light stays on. New shocks on rear.


that system has a pump, you should hear it run when you start the car. it also has a bleed valve. i have seen the valve get stuck before. i don't remember what year caddillac stopped putting the suspension switch in the trunk, but if the switch has been turned off the light will remain on as well. there is a level sensor under the rear of the car connected to the suspension you can try to disconnect the arm and manually move it and see if the pump kicks on. there is a few second delay before you hear the pump. if the fuses are good and the switch is on check for voltage at the pump when you move the level sensor. check for signal from the sensor. if pump runs and shock don't air up check for air leaks with soap water spray, and/or air bypassing valve. hope i helped you...dustang

Mar 29, 2009 | 1998 Cadillac Seville

2 Answers

1998 cadillac seville sts


maybe there is a leak in the system and the pump is constantly trying to compensate. if the vehicle sits for a day or so, will the suspension sag in a certain spot? maybe a leveling sensor. may have to be diagnosed with scan tool

Nov 18, 2008 | 1998 Cadillac Seville

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