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   rec.autos.tech      Technical aspects of automobiles, et. al      117,734 messages   

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   Message 116,081 of 117,734   
   Ken Olson to mike   
   Re: Brake caliper torque   
   22 Mar 21 17:04:59   
   
   From: kolson@freedomnet.org   
      
   On 3/22/2021 1:40 PM, mike wrote:   
   > This is a question mostly of your experience as the older I get the less   
   > I tend to use torque wrenches (I've had more problems with them than   
   > without).   
   >   
   > Kids are in college so they came home on spring break and I did their   
   > oil and filters & wheel rotation and brakes which on these FWD overseas   
   > economy cars is so simple as to be considered ridiculously easy.   
   >   
   > It's so easy that I'm beginning to get just a little bit lazy over the   
   > years (on my own cars also) in that I torque by hand most of the time   
   > nowadays (except when dealing with softer metals than steel bolts on   
   > steel threads).   
   >   
   > For an example of how easy things are nowadays, all four front brake   
   > pads on an old Toyota Camry are exactly the same as are all four of the   
   > shiny steel clips and as are the two bent metal wear sensors so you   
   > can't even mix anything up.   
   >   
   > I replaced the steel rotors after removing the two 14mm steel bracket   
   > bolts and two 17mm steel caliper bolts. I didn't have the torque figures   
   > so I tightened the caliper bolts up as tightly as I could using normal   
   > sized sockets (half-inch socket wrench with about six or seven inches   
   > long handle).   
   >   
   > I also tightened the five lug nuts using a standard sized bent angle lug   
   > wrench (the kind shaped like an elbow with about a foot or so of handle).   
   >   
   > My question is mostly about the calipers as I did have the torque   
   > figures of about 85 to 90 foot pounds for the lug nuts but I didn't have   
   > the torque figures for the 17mm caliper bolts and the 14mm caliper   
   > bracket bolts.   
   >   
   > Given a normal strength male and a normal sized socket wrench handle is   
   > it even possible to overtorque steel on steel nuts and bolts of those   
   > sizes?   
      
   Yes.   
      
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