Dorman 905-507 Front Torsion Bar Mount Compatible with Select Cadillac / Chevrolet / GMC Models
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It has two bolt-on holes, otherwise you wouldn't be able to get the bar in.
I used a simple ball joint press for the new one, and a large chisel and hammer for the older ones. It is much easier to simply replace the bushing rather than the entire bracket.
These can be worn on both sides.
One. br> Also, take a look at my review. Do not attempt to replace the bushing alone.
Selected User Reviews For Dorman 905-507 Front Torsion Bar Mount Compatible with Select Cadillac / Chevrolet / GMC Models
I followed the advice and did it on a shoestring budget. Everything was fine until the day I lost control of the mount bushing while driving at 35 mph through a residential neighborhood. br> Truck veered into a driveway, destroying two cars and causing damage to two homes. br> After the accident, my vehicle was inspected and found to have "failure of major components due to gross negligence of installation by owner. " "br>I now have a 138k judgment against me, which my insurance will not cover due to "improper modifications made by the owner/installer. " "br> So you've been forewarned if you choose to do it the wrong way.
I have talked to dozens of people who have replaced these and 90% of them say the bushing failed within a couple months . br> The problem is that, while it is technically possible to replace just the bushing, it is nearly impossible to re-install it. To secure the bushing in the housing, stamp the edges in the appropriate places. Without this step, the bushing is free to twist and turn inside its housing, producing the same effect as the previously removed bushing. The torsion bars are not securely fastened and will flex when your suspension is loaded. Furthermore, the damage done to the vehicle's original housing when removing the broken bushing can easily create microscopic cracks in the bushing housing, which will expand almost immediately when the suspension is used heavily. br> There's a reason this part is only available as a complete unit rather than just the bushing.
These will work as viable replacements for your torsion bar mount bushings if they are torn. No, the bushings don't have to be extremely long-lasting - They merely serve to secure the torsion bar mount bracket. The torsion bar and torsion key are responsible for a large portion of the torque. There's a reason why the weld on type is called that: it's welded on. The frame is made of a thin material, and there are other obstacles. I suppose one could drill holes to fit a bolt-on type, but I think it's just as easy to re-use a bolt-on type. Weld new ones in place of the old ones. br>br>Use a reciprocating saw to cut off the old bushing mount. With an air chisel and a cut-off wheel sand disc, any remaining debris can be cleaned up. *caveat emptor*, a welding shield can be used to protect the fuel lines. I used aluminum foil taped to a piece of cardboard as a shield for the fuel lines. The cardboard is foldable and fits neatly between the frame and the fuel lines. During the grinding and welding, make sure to keep the fuel lines clear.
I only gave it four stars because I didn't cut it out and weld it in. You weld in a part that appears to be too thin to be strong enough. I took out the bushing and reinstalled it in my current mount. There are no issues, and the obnoxious knocking noise has vanished.
Keep this in mind. These are attached to the frame by welding! It is difficult to find a suitable replacement.
Product of high quality.
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