Is there helpful tips on replacing those? FSM calls for fluid drain (I have AHC) and shock removal. I need to replace springs only, don't feel like I need to remove shock. Or do I?
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@404object, I disagree. You can set the AHC to 'N' and jack up the truck high enough to get jack stands under the frame and keep the rear tires off the ground. The shocks will extend to their maximum travel, you can slip them off the axle mounts, and still manages to drop the rear springs out without any risk of damaging the suspension components.
Step 1. Jack up the truck high enough to get the tires off the ground w/jack stands on the frame
Step 2. Mark AHC sensor location and disconnect.
Step 3. Disconnect ABS and brake line "soft" lines from axle.
Step 4. Disconnect parking brake line from axle
Note: step 2-4 are to ensure the axle will drop after rear shocks are disconnected.
Step 5. Disconnect rear sway bar (can be done before truck is jacked up also)
Step 6. Get jack under rear dif.
Step 7. Disconnect bottom of shock from rear axle
Step 8. lower rear axle until springs come loose.
Note: you may need to have someone press down on one side so you can get the spring to drop out on each side.
Step 9. Re-install with new coils
Step 10. follow all steps in revers to put it back together.
This is a very high level summary of the steps to R&R your rear coils.
Ok, I did not see it yet, but I will have truck on a lift with wheels hanging. I though I can use spring compressor to get them out and in and don't do anything with shocks. Possible?
Ok, compressor was a way to go. Free rental from autozone. Left side replaced "in place". To do right side I had to remove one bolt and remove cross-bar. Other than that - all done on a lift, no wheels or anything else had to be touched.
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Wow the old springs sagged a lot! Interesting way to doing this, i've always removed the lower shock bolt and sway bar links to get them out. How much did you have to compress the springs to get them to come loose?