BodybyFisher Posted May 27, 2007 Report Share Posted May 27, 2007 I posted a separate topic on this, as I think it might be helpful one day to someone. I am going to lower my engine carriage today and tomorrow. Logan had done it with 6 long bolts with nuts, backing down the nut to slowly lower the carriage in a controlled fashion. I love the idea. Here is Logan's thread http://caddyinfo.ipbhost.com/index.php?sho...c=12067&hl= However, I am reading the manual and as usual, the manual has you disassembling virtually everything to drop the carriage, and I don't think I need to go to that extent to get about 10 inches or so. Logan discharged his AC system and and manual states to discharge it. Personally I would rather not do that, and I think the AC Compressor can be placed on the side if I remove the radiator. My questions are Do I need to discharge the AC system How do I handle the ABS unit The manual talked about disconnecting the engine wiring harness from under the dash and passing it through the firewall. Is that necessary? I plan on removing the radiator since I am doing the coolant crossover and I need to remove the strut assembly on the drivers side and disconnect the lower control arm on the passenger side Any tips will be appreciated, Logan are you there? Thanks, Mike 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...
BigCat83 Posted May 27, 2007 Report Share Posted May 27, 2007 I did this same thing a few months back. IMO the best way to drop the carriage is really not to drop it at all... Let me explain; use the FSM and follow the procedure for lowering the carriage completely and without exception. Then lower the front of your car onto four jack stands placed appropriately under the carriage. Using a "Cherry Picker" hooked up to the top of the radiator support lift the front of your car off the carriage. Dismount the ABS unit and tie it out of the way with a bungee cord. There is a brake pipe that runs across the front of the car and is held in place by two or three clips - be sure that is free. I couldn't find any way to do this without dischargeing and dis-assembling the A/C- perhaps someone else has. And you do have to pull the main harness through the cowl. Remove the inside of the glove box, locate the harness, unplug the two or three electrical connectors AND the vacuum line and pull the harness through the cowl into the engine bay. Have fun... This is really quite easy to do. Link to comment Share on other sites More sharing options...
BodybyFisher Posted May 27, 2007 Author Report Share Posted May 27, 2007 I did this same thing a few months back. IMO the best way to drop the carriage is really not to drop it at all... Let me explain; use the FSM and follow the procedure for lowering the carriage completely and without exception. Then lower the front of your car onto four jack stands placed appropriately under the carriage. Using a "Cherry Picker" hooked up to the top of the radiator support lift the front of your car off the carriage. This is really quite easy to do. Big Cat how did you handle the AC Compressor and ABS unit? Thanks, Mike 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...
stefank Posted May 27, 2007 Report Share Posted May 27, 2007 BBF, can't be of much help here but I wish you best of luck and hope that your repair goes well. Best Stefan Link to comment Share on other sites More sharing options...
BodybyFisher Posted May 28, 2007 Author Report Share Posted May 28, 2007 BBF, can't be of much help here but I wish you best of luck and hope that your repair goes well. Best Stefan Thank You, Stefan 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...
coolnesss Posted May 30, 2007 Report Share Posted May 30, 2007 I posted a separate topic on this, as I think it might be helpful one day to someone. I am going to lower my engine carriage today and tomorrow. Logan had done it with 6 long bolts with nuts, backing down the nut to slowly lower the carriage in a controlled fashion. I love the idea. Here is Logan's thread http://caddyinfo.ipbhost.com/index.php?sho...c=12067&hl= However, I am reading the manual and as usual, the manual has you disassembling virtually everything to drop the carriage, and I don't think I need to go to that extent to get about 10 inches or so. Logan discharged his AC system and and manual states to discharge it. Personally I would rather not do that, and I think the AC Compressor can be placed on the side if I remove the radiator. My questions are Do I need to discharge the AC system How do I handle the ABS unit The manual talked about disconnecting the engine wiring harness from under the dash and passing it through the firewall. Is that necessary? I plan on removing the radiator since I am doing the coolant crossover and I need to remove the strut assembly on the drivers side and disconnect the lower control arm on the passenger side Any tips will be appreciated, Logan are you there? Thanks, Mike Mike- what are you going to repair/maintain????? Link to comment Share on other sites More sharing options...
BodybyFisher Posted May 30, 2007 Author Report Share Posted May 30, 2007 I am replacing the ISS Speed Sensor in the transaxle along with the filters, gaskets, axle seals, etc, see this thread: http://caddyinfo.ipbhost.com/index.php?showtopic=13481 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...
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