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The spring booster has a channel for the spring. It is kept in the channel by the spring force. It is installed on top of the spring, between bellow (8) and spring (9) in the linked image. The top spring support (7) centers the bellow and spring booster, not the strut. But perhaps the spring booster is flexing as the top mount doesn't reach down enough and can't stabilize this roughly 1" tall piece of rubber. With the factory setup, the top spring support grips the bellow which grips the spring. That whole set turns on the thrust bearing. What might be happening is the spring booster is slipping where it contacts the bellow. But slipping shouldn't be as much of a problem as binding and releasing. Slipping might allow the spring booster to rotate which could move the slit portion into a bad position. Perhaps I should try this without the bellow. Does the strut need the bellow to not get damaged by things thrown at it by the wheel?
I'll try your suggestion with someone else steering and the car on stands. I'm not sure why only one side is binding. Even if I get this fixed, it might be further trouble down the road. I'll examine how tight things are in there. The manufacturer says it has been fine on any car they have tried as long as the spring diameter is relatively standard. Maybe the top nut isn't tight enough. I couldn't properly torque it without the strut shaft spinning. I also didn't use the 22mm nut and reused the Saab 21mm nut as I'm concerned my 22mm impact socket won't fit into the Saab mount if I need to get things apart down the road.
The booster deforms so that it's cylindrical side turns in toward the spring. The manufacturer says that is how it is supposed to work.
Any backup ideas for how to get lift? At least two here have made front lifts. I don't understand exactly what you did. Where did you place the lift? How did you avoid the issues these rubbers are creating? It might be better to have a custom spacer at the bottom, but then the spring might be too high for the lower strut lip and the spring might not position properly.
Why couldn't Saab design this right at the factory? This is rather frustrating while Saab wonders why buyers abandoned it. This is unreasonable given the cars don't meet Saab's own specs on ride height.
posted by 96.255.151...
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