Question about 2002 Pontiac Sunfire

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Broken front lug bolt in 2002 Pontiac Sunfire.

How do you replace a broken front lug bolt in a 2002 Pontiac Sunfire?

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A few tips for rookies... You'll need a few tools to do this. First, you'll need an allen key to remove the caliper. The caliper's too heavy to just let it hang off the brake line, so have a piece of wire or coat hanger handy to support it while you work or you may damage the line.

Most of the time a regular hammer is all it takes to knock out a broken stud, especially if some of it is still protruding. Always wear gloves and eye protection when doing this. You'll also need a drift if it's broken off flush with the hub. If it doesn't come out after a few good hits, apply some Liquid wrench, Releaseall, or penetrating oil on it, let it work for awhile, and try again. Except in extreme cases where it's really seized up, you usually won't have to remove the hub and press out the stud.

Note that you may have to loosen the hub a bit to insert the new stud bolt, especially if you got a replacement that's a little too long. If so, you'll need a Torx bit. If you don't have the bit, can't get the hub bolts loose, or just want to save time, just grind a teeny bit off the back edge of the new stud bolt, or off the steering knuckle (~1/8"), to sneak the new stud in.

Posted on Dec 01, 2011

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Remove wheel, caliper and rotor. hit it solidly with a good hammer and it should go right through and fall out. Sometimes you will need to grind a bit off the side of the new one to get it past any obstructions. That will not harm its performance in any way unless you take way more than you need to off of it.To get it all the way back in, oil the threads, put a stack of large washers on it and tighten the nut on backwards till you draw it all the way in.

Posted on May 28, 2009

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How do you get hub off to get in new lug bolts

Posted on Oct 04, 2009

  • David Cahoon
    David Cahoon Nov 15, 2013

    #55 Torx and a 30 MM Deep socket for the Hub Bolt

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  • Master
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The broken stub will drive out with a large hammer and a drift. WEAR GLOVES!!! The new lug is pulled through by using a lug nut and washers for shim until you get it seated. Draw it in in steps with the washer stacks.

Posted on May 28, 2009

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  • Expert
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You have to remove the hub in question, and most likely have the old lug bolt pressed out. You then press fit the new one in by tightening it down to the proper torque when you reinstall everything.

Posted on May 27, 2009

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