mackr1989 Posted November 1, 2020 Share Posted November 1, 2020 sx 10 wheeler with 58 rears sags 2.5-3 inches when loaded or towing. everything in the rear was replaced 2 years ago except for the springs. trunnion, saddles, insulators, u bolts, etc. we were into the truck for way to much money to spend even more on the springs at the time which was when i was told they didn’t need to be replaced so i decided to hold off. Quote Link to comment Share on other sites More sharing options...
topo Posted November 3, 2020 Share Posted November 3, 2020 I drove Mack oil field truck that did the same thing on one side the fix was making the axle stop longer . Quote Link to comment Share on other sites More sharing options...
OldRedMack Posted November 4, 2020 Share Posted November 4, 2020 Could be the elephant pads already, I really only get about 2 years out of them. Quote Link to comment Share on other sites More sharing options...
Fastduramax Posted March 19, 2021 Share Posted March 19, 2021 Have to agree with OldRed I just did mine and gained that 3" right back (44 rears) That said I have had 3 Camelback Macks and have never seen the springs "sag" I have had a broken pack leaf but never a sag.... I have had my 88 for 15 years and never changed a rear spring and are believed to be the original springs believe it or not ! Anyway if your insulators are shot again try this... Atro urethane bottoms and OEM rubber tops, urethane rides harsher but lasts 3X longer and using the rubber tops takes the shock out if your ride and wheel hop in certain situations and the tops support no weight.... Proven combination in my experience... 1 Quote Link to comment Share on other sites More sharing options...
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