The rear end seems to bottom out when there is weight in the rear of the vehicle.
I put six bags of mulch in my Pathfinder. When going over a RR track, the car seemed to bottom out. What do I need to replace to stop this from happening?
How heavy were the bag of mulch. Payload is 1130 lbs. So even if the bags were 100 lbs a piece that only 600 lbs. If you didn't have anything else inside it should have handled it without any problem. As this rig only has coil spring suspension it's load carrying will be limited, check your shocks, they could be weak or of only single action design, if you are going to carry heavy loads or tow with it you might consider an air bag system added onto the rear axle.
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