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#1
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new rubber sway bar bushings question
If you tighten the bushing housing on with the car raised (wheels, suspension dropped cause you used jack stands to support the vehicle instead of a ramp style lift) woudn't that tighten the bushing onto the sway bar in an unnatural state? Just thinking out loud here... PS: repair manual calls for just 14 ftlbs of torque on the 4 nuts holding bushing bracket to sub frame yet 74 ftlbs on the Sway Bar End Link ball joints.
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I swear, my cars are like a girlfriend. Sometimes its a rough ride, sometimes its smooth motorin'. Sometimes she doesnt like how i treat her and sometimes i dont like how she behaves. BUT at the end of the day, she loves it when I am inside her. _______________________ '91 850i '05 X5 4.4i '09 Clubman S Last edited by Clockwork; 01-12-2017 at 11:30 AM. |
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#2
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I final torque the sways with all the wheels on the ground, yes, but not because I know this to be required. My Bentley is packed up in one of a thousand boxes, or I would check the procedure for you.
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2001 E53 3.0 5pd |
#3
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Lo_jack, I'm of the same mindset. Final torque while car is lowered, just makes getting to the bolts a bit more difficult is all.
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I swear, my cars are like a girlfriend. Sometimes its a rough ride, sometimes its smooth motorin'. Sometimes she doesnt like how i treat her and sometimes i dont like how she behaves. BUT at the end of the day, she loves it when I am inside her. _______________________ '91 850i '05 X5 4.4i '09 Clubman S |
#4
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Torque brackets on ground (loaded) No lube
Replace them if cracked or have worn out. At 100 K replace them. They served their life expectancy timeline. Don't forget the end links too!
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2005 X5 4.8IS The Blue ones are always FASTER.... Current Garage: 2005 X5 4.8is 2002 M5 TiSilver 2003 525iT 1998 528i Former Garage Stable Highlights 2004 325XiT Sport 1973 De Tomaso Pantera, L Model 1970 Dodge Challenger T/A 4 sp Alpine White 1970 Dodge Challenger T/A 4 sp GoManGo Green 1971 Dart Sport, “Dart Light” package 1969 Road Runner 383 1968 Ply Barracuda 340S FB Sea-foam Green |
#5
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Quote:
I just bought a great condition used rear 23.5mm sport sway bar and even tho the bushings that came with it look compressed they are mint, but I bought new anyhow and will install so I know the bushings will be super tight upon installing the bushing bracket and wanted to make sure about preloading them before torquing nuts down. Thanks. Sent from my Nexus 5 using Tapatalk
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I swear, my cars are like a girlfriend. Sometimes its a rough ride, sometimes its smooth motorin'. Sometimes she doesnt like how i treat her and sometimes i dont like how she behaves. BUT at the end of the day, she loves it when I am inside her. _______________________ '91 850i '05 X5 4.4i '09 Clubman S |
#6
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I don't think the preloading is critical on the F&R sway bars, links, or bushings. I personally do it as a Best Practice as there really is no load on these components until the vehicle is in motion as they engage on body roll not in a stationary situation, as the OE end links are not adjustable for pre-loading.
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2005 X5 4.8IS The Blue ones are always FASTER.... Current Garage: 2005 X5 4.8is 2002 M5 TiSilver 2003 525iT 1998 528i Former Garage Stable Highlights 2004 325XiT Sport 1973 De Tomaso Pantera, L Model 1970 Dodge Challenger T/A 4 sp Alpine White 1970 Dodge Challenger T/A 4 sp GoManGo Green 1971 Dart Sport, “Dart Light” package 1969 Road Runner 383 1968 Ply Barracuda 340S FB Sea-foam Green |
#7
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Quote:
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I swear, my cars are like a girlfriend. Sometimes its a rough ride, sometimes its smooth motorin'. Sometimes she doesnt like how i treat her and sometimes i dont like how she behaves. BUT at the end of the day, she loves it when I am inside her. _______________________ '91 850i '05 X5 4.4i '09 Clubman S |
#8
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Well F!!!!
Installed the bushings and sport bar tonight and hand tightened snug only the 4 bolts on brackets but then had a small mechanics remorse for not actually torquing to 14ftlbs so I used a new Harbor Freight quality (aka Princess Auto in Canada) and something didn't seem right when torquing and then I sheared a welded bolt off from the sub frame and then had to spend hours drilling out the remaining bolt and install another aftermarket design (nut and bolt). What a pain in the ass the faulty torque wrench caused. Sent from my Nexus 5 using Tapatalk
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I swear, my cars are like a girlfriend. Sometimes its a rough ride, sometimes its smooth motorin'. Sometimes she doesnt like how i treat her and sometimes i dont like how she behaves. BUT at the end of the day, she loves it when I am inside her. _______________________ '91 850i '05 X5 4.4i '09 Clubman S |
#9
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Anyone who uses a torque wrench with no quality control involved in its manufacturing deserves the consequences. Unfortunately you are not the first nor the last to have had the experience.
Thankfully it was an easy part to replace not something like a plug in the head!
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2005 X5 4.8IS The Blue ones are always FASTER.... Current Garage: 2005 X5 4.8is 2002 M5 TiSilver 2003 525iT 1998 528i Former Garage Stable Highlights 2004 325XiT Sport 1973 De Tomaso Pantera, L Model 1970 Dodge Challenger T/A 4 sp Alpine White 1970 Dodge Challenger T/A 4 sp GoManGo Green 1971 Dart Sport, “Dart Light” package 1969 Road Runner 383 1968 Ply Barracuda 340S FB Sea-foam Green |
#10
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To be honest Mike - I've had Harbor Freight torque wrenches for years and mine are accurate out of the box - I have a 3/8" and a 1/2" drive -
I also snapped a stud on the rear subframe when doing the rear sway bar bushings which had to be drilled out a few years back though, that metal gets brittle from the salty winters I think .....
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2018 Ram 2500 6.7L Cummins 68RFE 19k miles -Bright White/Black - Big Horn Sport - Crew Cab Short Bed 2013 X5 35D (CEO's) - Born on 5/17/2013 - 82k miles - Alpine White/Cinnamon Brown/Premium Pkg, Sport Activity/Premium Pkg and Sound/20" Style 214/Running Boards |
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