

| Subject: | Re: . . . & Those Damn Shear Bolts |
| From: | MF |
| Date: | Thu, 22 Mar 2001 21:57:59 -0500 |
Actually, you can remove the entire lock assembly without removing the "shear bolts", with no special tools. Remove steering wheel, remove wiring, remove plastic covers, remove clamp bolt, insert key , turn lock, Done... I was also told these are for tamper resistance, not Anti-theft, just tamper resistant. Being steering is rather critical.... my .02 Matt ----- Original Message ----- From: "David Beierl" <dbeierl@ATTGLOBAL.NET> To: <vanagon@GERRY.VANAGON.COM> Sent: Thursday, March 22, 2001 10:28 AM Subject: Re: . . . & Those Damn Shear Bolts > Dropping the column allows you to drill the hole into the steering lock > assembly so you can remove the lock cylinder. You can remove the entire > steering lock without dropping the column, but this now requires > considerable work and special tools to replace (and you still have to drill > the hole to get the lock cylinder out). > > Another point to consider: if the shearing heads are to control install > torque, why work so hard to make them difficult to remove > afterwards? Furthermore, *what purpose* in engineering terms would this > accomplish? If the bolts themselves are designed to shear off in a > collision (and just what sort of collision would apply shear forces to > these largely-vertical bolts?), what does the install torque have to do > with it? That should be controlled by the material of the bolt > itself. Furthermore again, shear pins are ordinarily installed in very > close-fitting assemblies, not in a mounting point where one of the parts > accommodates a range of mounting positions. All right, here's a > counter-point -- suppose that the object of the exercise is to tighten the > bolts only loosely, so that the bracket can slide if needed so as to bring > the shearing edge in contact with the bolt? And by the way, does anybody > know at what torque these things actually break off (the 6-mm hex-socket > part, that is)? > > david > > At 10:59 PM 3/21/2001, Rico Sapolich wrote: > >Scott, > > > >There is one obvious fallacy in saying that the steering column shear bolts > >are an antitheft measure: the shear bolts do not retain the steering lock > >housing. Removing the shear bolts does allow the steering column tube to > >fall away from the dash, but the steering lock remains firmly attached. Now, > >I suppose a determined thief may see this as an opportunity to substitute an > >unlocked steering column in toto, but I doubt it. > > David Beierl - dbeierl@attglobal.net >
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