rockfangd Posted August 29, 2016 Report Share Posted August 29, 2016 Hi all. I need rear air shocks for my 97 Deville. I have already dumped too much money in it this year, but I know if I dont replace them I will have to put more than shocks in it. The current ones leak and the compressor runs more than I like. I plan to take a trip soon but do not want to burn out the compressor. Anyway I would love to get the Arnott set but dont really have the budget. Has anyone ever tried the monroe 40046? GM FAN FOREVER Nice, clean, luxury= fine automobile Link to comment Share on other sites More sharing options...
KHE Posted August 29, 2016 Report Share Posted August 29, 2016 I have the 40046 Monroes on my '97 STS. No complaints - they bolt right in and use the existing air lines and function with the OE compressor. You will need to use the old shock wires to make a cheater cord to suppress the "Service Ride Control" message. Kevin '93 Fleetwood Brougham '05 Deville '04 Deville 2013 Silverado Z71 Link to comment Share on other sites More sharing options...
cadillac85 Posted August 29, 2016 Report Share Posted August 29, 2016 I just eliminated my compressor and put manual monroe air shocks on my 2004 Deville.....they work great.......I ran the lines inside the trunk (old school) with the air fitting safe inside.....if I need air for heavy weights I just add manually.....I put 100 + lbs. in the trunk now and the back does not even move.....now have a great cadillac ride again....no more dealing with compressor problems....Boib. Link to comment Share on other sites More sharing options...
rockfangd Posted September 19, 2016 Author Report Share Posted September 19, 2016 Just to update this I ended up purchasing the Arnott shock kit. I have to install them though. I would rather maintain the factory setup. I am not usually one to change from oem setup. I have a manual air ride on my truck and although it is great, it isnt so great when I have to put a decent load in it and dont have a source for air to add to it. I want to make it automatic. One of these days I will GM FAN FOREVER Nice, clean, luxury= fine automobile Link to comment Share on other sites More sharing options...
rockfangd Posted October 16, 2016 Author Report Share Posted October 16, 2016 So I went to install the new shocks today but found they dont come with the top nuts. Anyone have any idea what the chances are of the nuts coming off the originals? i figured I was going to have to cut the old ones but without new ones to replace them I wont touch it. I have alot of hardware but nothing that fit the new ones. GM FAN FOREVER Nice, clean, luxury= fine automobile Link to comment Share on other sites More sharing options...
BodybyFisher Posted October 16, 2016 Report Share Posted October 16, 2016 Can't help here, I used Boston Suspension rear shocks on my 96 Deville. They are no longer in business. Very surprising they don't provide all hardware. 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...
KHE Posted October 17, 2016 Report Share Posted October 17, 2016 I would call Arnott and inquire about the lack of top nuts. Maybe they are the same as the GM part and you just need to buy them from the dealer. Every one I have replaced, I've needed to cut the upper nut off with a die grinder because the years of corrosion makes it impossible to hold the shock rod to keep it from spinning. Kevin '93 Fleetwood Brougham '05 Deville '04 Deville 2013 Silverado Z71 Link to comment Share on other sites More sharing options...
rockfangd Posted October 18, 2016 Author Report Share Posted October 18, 2016 exactly the problem I am afraid of. Looks to be a m14. Larger than the lugnuts. I will call the dealer. I dont have high hopes but it couldnt hurt. Thanks GM FAN FOREVER Nice, clean, luxury= fine automobile Link to comment Share on other sites More sharing options...
rockfangd Posted October 21, 2016 Author Report Share Posted October 21, 2016 Well thats a bummer. Have not found any help yet. I need the nut, retainer, and insulator. Been in contact with Arnott who does not offer them. Said to reuse the original. Hate to state the obvious here but anyone who knows anything about old shocks is that you dont reuse anything (struts maybe but not shocks). Looking at donors and my Deville I see no chance of reusing anything. Like a typical shock the top will have to be cut off. HAd I known I was going to run into this I would have explored other options. I am sure I am not the only one who has run into this problem GM FAN FOREVER Nice, clean, luxury= fine automobile Link to comment Share on other sites More sharing options...
BodybyFisher Posted October 21, 2016 Report Share Posted October 21, 2016 Rock, I may be able to help, I am not 100%, sure let me look in my garage tomorrow, I know I have the nuts, not sure about the insulator. 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...
rockfangd Posted October 21, 2016 Author Report Share Posted October 21, 2016 Thanks. I am going to call around tomorrow to see if I can locate something . Would be nice to see a picture of the actual upper parts GM FAN FOREVER Nice, clean, luxury= fine automobile Link to comment Share on other sites More sharing options...
KHE Posted October 21, 2016 Report Share Posted October 21, 2016 Nuts are not available at the dealer? You might just need to cut the shock rod and pull the stub out, then use a torch to heat the nut to get it off the old rod. Strange that Arnott would recommend using the old nut since there is really no good way to salvage it when removing it. Kevin '93 Fleetwood Brougham '05 Deville '04 Deville 2013 Silverado Z71 Link to comment Share on other sites More sharing options...
airmike Posted October 21, 2016 Report Share Posted October 21, 2016 surely ace hardware or fastenal would have those nuts? Link to comment Share on other sites More sharing options...
rockfangd Posted October 22, 2016 Author Report Share Posted October 22, 2016 Some success. So the studs are M16x2.0 pitch. I ordered the nuts from Fastenal. Dealer showed all as discontinued. Reusing the old nuts is just not worth the hassle. Too rusty. I just have to try to find the insulator(s) GM FAN FOREVER Nice, clean, luxury= fine automobile Link to comment Share on other sites More sharing options...
rockfangd Posted October 25, 2016 Author Report Share Posted October 25, 2016 Well shocks are in. It is not possible to cut the shaft to preserve the nut. The biggest problem I had was that the top stud kept turning(not the whole shock just the stud) I figured out a way to work it though. I took my cutoff tool and cut down through the stud and nut. I then cut a large flat head screwdriver and stuck the tip into the cut groove. Held the tip and unscrewed the nut. It worked like a charm. The air lines were very tight to get onto the new shocks. I was afraid they were going to break. took about 1 hour to replace them. What a difference in the ride. It seems alot more responsive and does not bounce anymore. The compressor runs alot less also, If at all. Before it used to have to run quite a bit. Also the upper retainer and insulators were in beautiful shape, not rotted at all. I was very surprised. GM FAN FOREVER Nice, clean, luxury= fine automobile Link to comment Share on other sites More sharing options...
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