bigjayzway Posted October 2, 2006 Report Share Posted October 2, 2006 I need to replace my sending unit on the STS. I could not help but laugh when I found out I need to remove my trunk to get to it. I have never heard of this before, and think it's kind of funny. Big Jay Life is too short to grow up! Link to comment Share on other sites More sharing options...
The Fred Posted October 2, 2006 Report Share Posted October 2, 2006 My 1991 Eldorado was the same way *sigh* MerryChristmas Be a Capitalist or work for one. Work for a Capitalist or be one. MerryChristmas Link to comment Share on other sites More sharing options...
BodybyFisher Posted October 2, 2006 Report Share Posted October 2, 2006 when you say remove your trunk do you mean remove an access panel to get to the fuel pump? If you have the access panel you are lucky you have that access panel, I need to drop the fuel tank to accomplish the same task... I wish I had that panel.. Someone want to confirm that the 98 has an access panel? Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
JimD Posted October 2, 2006 Report Share Posted October 2, 2006 I'm going to climb out the limb and assume you are speaking of the fuel level sending unit. Would you rather drop the fuel tank to remove the pump assembly OR would you be happy lifting some carpet and undo an access cover designed to allow you to remove the fuel pump assembly without dropping the tank? ? Jim Drive your car. Use your cell phone. CHOOSE ONE ! Link to comment Share on other sites More sharing options...
chazglenn3 Posted October 2, 2006 Report Share Posted October 2, 2006 Yep, the 98 and up Sevilles have the access panel in the trunk...much better deal than dropping the fuel tank! Charles Charles Link to comment Share on other sites More sharing options...
JimD Posted October 2, 2006 Report Share Posted October 2, 2006 Don't let us stop you from dropping the tank however . Jim Drive your car. Use your cell phone. CHOOSE ONE ! Link to comment Share on other sites More sharing options...
Ranger Posted October 2, 2006 Report Share Posted October 2, 2006 Don't let us stop you from dropping the tank however . I think he said he had to drop the "trunk". Take lots of pics please Link to comment Share on other sites More sharing options...
BodybyFisher Posted October 2, 2006 Report Share Posted October 2, 2006 Sending unit removal, remove trunk! Step 1) light up cutting torch! Warning do not get flame near fuel tank or lines My sender is all over the place one time I start up and have 9 gallons the next I have 4..... darn I want an access panel, I'd change that pump/sender pronto! ANOTHER reason to buy a 98! Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
JimD Posted October 2, 2006 Report Share Posted October 2, 2006 .... ANOTHER reason to buy a 98! Or, cut an access panel in your trunk. Jim Drive your car. Use your cell phone. CHOOSE ONE ! Link to comment Share on other sites More sharing options...
BodybyFisher Posted October 2, 2006 Report Share Posted October 2, 2006 .... ANOTHER reason to buy a 98! Or, cut an access panel in your trunk. Hmmm you think that's possible? Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
JimD Posted October 2, 2006 Report Share Posted October 2, 2006 .... ANOTHER reason to buy a 98! Or, cut an access panel in your trunk. Hmmm you think that's possible? Why not? All you have to do it correctly locate the pump and cut an access hole large enough to get your hands in there with a tool to unluck the tabs. Then reinforce the opening with a doubler ring. And finally, fabricate a cover that overlaps about 1" all around the opening. Four screws to hold the cover down and you are done . Or, you could trade for a '98 to '04 Seville or '00 to '05 Deville. Jim Drive your car. Use your cell phone. CHOOSE ONE ! Link to comment Share on other sites More sharing options...
BodybyFisher Posted October 2, 2006 Report Share Posted October 2, 2006 I think Ill opt for a 98 STS Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
WarrenJ Posted October 3, 2006 Report Share Posted October 3, 2006 I think Ill opt for a 98 STS Call ted tcb, he'll find you one. Regards, Warren There is no means of avoiding the final collapse of a boom brought about by credit expansion. The alternative is only whether the crisis should come sooner as the result of a voluntary abandonment of further credit expansion, or later as a final and total catastrophe of the currency system involved. - Ludwig von Mises Link to comment Share on other sites More sharing options...
Ranger Posted October 3, 2006 Report Share Posted October 3, 2006 .... ANOTHER reason to buy a 98! Or, cut an access panel in your trunk. I was going to suggest that. Certainly seems doable to me. probably a lot easier as well, but I'd use something other than a cutting torch. Link to comment Share on other sites More sharing options...
The Fred Posted October 3, 2006 Report Share Posted October 3, 2006 You know what would be funny, Start a service where you add access panels for the fuel pump and sender.. Price it 20% less than the labor on dropping the tank That would be hillarious, Making hundreds of dollars cutting a hole and installing a cute funny "custom made grommet seal"... Hehehehe Heeee heeeee heeeeeeeeeeeeeee hooooooooooooo ! HEH! MerryChristmas Be a Capitalist or work for one. Work for a Capitalist or be one. MerryChristmas Link to comment Share on other sites More sharing options...
GreenMachine Posted October 3, 2006 Report Share Posted October 3, 2006 do 98 devilles have this nice hatch or will I need to drop the tank should I ever have to replace this...my FSM is in the garage and i'm not so if any of you know the answer it will save me the trip and look up The Green's Machines 1998 Deville - high mileage, keeps on going, custom cat-back exhaust 2003 Seville - stock low mileage goodness! 2004 Grand Prix GTP CompG - Smaller supercharger pulley, Ported Exhaust Manifolds, Dyno tune, etc 1998 Firebird Formula - 408 LQ9 Stroker motor swap and all sorts of go fast stuff Link to comment Share on other sites More sharing options...
BodybyFisher Posted October 3, 2006 Report Share Posted October 3, 2006 JimD made this comment on the prior page about the access panel, '98 to '04 Seville or '00 to '05 Deville Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
GreenMachine Posted October 3, 2006 Report Share Posted October 3, 2006 opps jumped right over that, saw the 98 and up Seville comment but a brain fart missed jim's post The Green's Machines 1998 Deville - high mileage, keeps on going, custom cat-back exhaust 2003 Seville - stock low mileage goodness! 2004 Grand Prix GTP CompG - Smaller supercharger pulley, Ported Exhaust Manifolds, Dyno tune, etc 1998 Firebird Formula - 408 LQ9 Stroker motor swap and all sorts of go fast stuff Link to comment Share on other sites More sharing options...
WarrenJ Posted October 3, 2006 Report Share Posted October 3, 2006 opps jumped right over that, saw the 98 and up Seville comment but a brain fart missed jim's post There are things worse than a brain fart: *********************************** ARE YOU READY FOR SOME FOOTBALL Are you ready for some football????????????????????????????? An old married couple no sooner hit the pillows when the old man passes gas and says...."seven points". His wife rolls over and says, "What in the world was that?" The old man replied, "It's fart football." A few minutes later his wife lets one go and says "Touchdown, tie score." After about five minutes the old man lets another one go and says, "Aha. I'm ahead 14 to 7". Not to be outdone the wife rips out another one and says, "Touchdown, Tie score." Five seconds go by and she lets out a little squeaker and says, "Field Goal I lead 17 to 14." Now the pressure is on the old man. He refuses to get beaten by a woman, so he strains real hard. Since defeat is totally unacceptable, he gives it everything he's got, and accidentally craps in the bed. The wife says, "What the hell was that?" The old man says, "Half time, switch sides............... There is no means of avoiding the final collapse of a boom brought about by credit expansion. The alternative is only whether the crisis should come sooner as the result of a voluntary abandonment of further credit expansion, or later as a final and total catastrophe of the currency system involved. - Ludwig von Mises Link to comment Share on other sites More sharing options...
bigjayzway Posted October 3, 2006 Author Report Share Posted October 3, 2006 Lookin here on Si tomcat, it pretty much shows more than just an access panel. It looks almost like 70% of the trunck floor. I think it is a great idea, and would never of known if I didn't have this program. Although I imagine somoene on here would of told me if I didn't know? Big Jay Life is too short to grow up! Link to comment Share on other sites More sharing options...
KHE Posted October 3, 2006 Report Share Posted October 3, 2006 .... ANOTHER reason to buy a 98! Or, cut an access panel in your trunk. Hmmm you think that's possible? It may be but without knowing the clearance between the trunk pan and the tank, it could be dangerous. Also, sealing up the cutout may be difficult. Dropping the tank is not that bad of a job if the tank is empty. Granted, I'd rather have the access panel in the trunk but it isn't too bad of a job. Kevin '93 Fleetwood Brougham '05 Deville '04 Deville 2013 Silverado Z71 Link to comment Share on other sites More sharing options...
BodybyFisher Posted October 3, 2006 Report Share Posted October 3, 2006 I have never dropped a tank but as you say, I don't believe it could be too difficult. I would use a sheet of plywood under the tank after having run the fuel level down to between E and 3... I think a floor jack centered on the tank should let it down easily. I would put the car on 4 jack stands. It is very annoying for me to have to deal with this fuel level issue right now, but I have bigger fish to fry with P0717/ISS sensor right now. I think I would need to fix the fuel sender issue to sell the car. I think that the fuel level sensor is available as a separate component.. If it is, I might consider replacing just the level sensor since I am getting rid of the car as soon as possible. Thanks Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
bobnsue2 Posted October 3, 2006 Report Share Posted October 3, 2006 when you say remove your trunk do you mean remove an access panel to get to the fuel pump? If you have the access panel you are lucky you have that access panel, I need to drop the fuel tank to accomplish the same task... I wish I had that panel.. -------------------------------------------------------------------------------------------- Hi, After the third fuel pump with two dieing on the road, I cut an access panel on my 97 GMC for the next one. But I never let the tank go below 1/4 tank any more either, and have a new pump in a box in the tool box. The tool box also hides the nicely paunted cover on the access hole. I made the cover from a larger piece cut from a wreck at the local pick and pull yard. BTW the early Range Rovers didn't have the access panel, but the dealers had a template available for the first time. Bob B Link to comment Share on other sites More sharing options...
steve6 Posted October 3, 2006 Report Share Posted October 3, 2006 My 99 sts the fuel guage is all out of calibration, I ASSUMED the tank had to be dropped, I'll have to find this access panel and remove the unit, that makes it alot easier to check. -thanks Link to comment Share on other sites More sharing options...
chazglenn3 Posted October 3, 2006 Report Share Posted October 3, 2006 You just have to remove the carpeting in the trunk, and you will see it between the rear seat back and the spare tire well. Charles Charles Link to comment Share on other sites More sharing options...
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