These bushings are $135 for a set of 4. Any reason why I shouldnt give these a try.
Body mounts
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2010 GMC All Terrain 4x4 5.3 LC9 211k mi
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They will be a lot more stiff than stock ones. I don't know if that is a big deal or not for body mounts.
Hmmm. I’ve used polyurethane suspension bushings in other vehicles. At those times I also remember the potential for squeaking. I just used that silver anti seize compound when I installed them. I mean not only on the bolt threads but also where the bushing material touches other metal. I don’t remember ever having squeaking problems when I installed like that.
There is an updated GM part number on body bushings. I can't remember what it is though and don't know what vehicles it applies to.
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Good bushings cost money. OEMs are $65/each, give or take.
I recently had mine replace with a premium set from SBS Suspension, a silicone bushing. It makes a world of difference...then again, I was driving without any functional mounts for years, so adding anything would have helped me...lol
I recently had mine replace with a premium set from SBS Suspension, a silicone bushing. It makes a world of difference...then again, I was driving without any functional mounts for years, so adding anything would have helped me...lol
I like those silicone bushings but they cost at $450 for the set is killing my dream on them.
On the polyurethane bushings I could control squeaking with anti seize compound but the poly is harder than the OEM rubber. More durable but a harsher ride. I’ll pass on those.
So OEM rubber looks like the way. My standard cab has 2 radiator support bushings and 4 under the cab. Are the ones on the cab all the same because they look like it in pictures? However the part numbers are different for positions 1 and 2.
On the polyurethane bushings I could control squeaking with anti seize compound but the poly is harder than the OEM rubber. More durable but a harsher ride. I’ll pass on those.
So OEM rubber looks like the way. My standard cab has 2 radiator support bushings and 4 under the cab. Are the ones on the cab all the same because they look like it in pictures? However the part numbers are different for positions 1 and 2.
I have OEM style on my bench now. Dorman brand. Total for all 6 would be $430 on amazon. Heck, why not get the S&B silicone bushing kit for that matter?
924-130 radiator support -- 924-135 position 1 -- 924-134 position 2 > I compared these three part numbers and all of the upper bushings and lower cups are identical. The bolts are different on the rad support position but everything else is identical as far as I can see with my own eyes and feel in my hands.
Theres another option for OEM rubber style. Ultra Power sells what they list as 924-135 in a 2 pack for $55 including hardware. Since I have determined that positions 1 and 2 are actually the same, I can get all 4 OEM rubber style cab mounts for $110. Ultra Power also sells a 2 pack for the radiator support mounts for $52 including hardware.
I have the Ultra Power parts on order and Ill compare them to the Dorman when they get here. I'll post back what I find.
If the Ultra Power pieces look comparable to the Dorman, I might be going that route.
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924-130 radiator support -- 924-135 position 1 -- 924-134 position 2 > I compared these three part numbers and all of the upper bushings and lower cups are identical. The bolts are different on the rad support position but everything else is identical as far as I can see with my own eyes and feel in my hands.
Theres another option for OEM rubber style. Ultra Power sells what they list as 924-135 in a 2 pack for $55 including hardware. Since I have determined that positions 1 and 2 are actually the same, I can get all 4 OEM rubber style cab mounts for $110. Ultra Power also sells a 2 pack for the radiator support mounts for $52 including hardware.
I have the Ultra Power parts on order and Ill compare them to the Dorman when they get here. I'll post back what I find.
If the Ultra Power pieces look comparable to the Dorman, I might be going that route.
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I’m not sure where these big washers with the 4 ears are supposed to go. On top, on bottom or what? Also, with each mount came two of these. One is about twice as thick as the other. Why?
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I figured the large washers out. They go between the bushing top and cab. The thinner washer goes on first. It flexes easily enough to come flush with the bushing top when you tighten the bolt. The thicker washer goes on top of the thinner one. Like this.
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Unfortunately I have discovered I also need these.
GM Cab mount repair plates 99-07
Finally a solution for your rusted cab mounts! We run into this all the time when removing cabs for engine work and have a simple solution for someone with even minor welding or fabrication experience! Sold in packs of 8 or singles.
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Also, the second batch of body mount bushings, the ones made by Ultra Power I am returning. Mainly because the rubber is noticeably softer and the metal slightly thinner and they may squash down too much. I’m going to pay a little extra and go with Dorman OEM design.
I think the purpose of those large eared washers are to allow slight lateral movement of the bushing without any binding. It prevents a popping noise that is sometimes heard when cornering
You sure they aren’t just locators?
Actually no, I’m not sure they aren’t just locators. I’ll find out when I pull my old bushings off. If there’s a boss on the frame around the hole that locks them in, then maybe they are locators. If there’s no boss and just a hole, they won’t do jack diddly to locate anything. I’ll post back once I pull it apart. I’m still gathering everything I need which now also includes 4 repair plates and one entire body mount bracket.
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I was just reading on the dmax forum someone was doing body mounts and he said they were locators. Not sure though
I will let you know and take pictures of the body rail when I pull the bushings out. The hole in the center of the parts we are discussing is way way larger than the bolt. I say if there’s no raised boss that fits that hole like a glove, they won’t function as locators, regardless of what people might call them.
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