DAP@EPL

Replied.

davenew

The first thing I would try is a bolt extractor kit. It appears the bolt broke off flush with the head so the drill bit and extractor will need to fit into the 1/4" diameter cam adjuster bolt hole and go about 1" deep to get through it.

The problem will be trying to drill the pilot hole at the very center of the broken bolt. I would use a 1/4" drill bit (or one that fits tightly in the hole of the cam adjuster) and turn the drill very slowly to get a center pilot hole started. Then use the drill bit that comes with the extractor kit. You can remove one of the other cam adjuster bolts and measure the length to know the max depth you can drill.

You definitely want a shop vac running while drilling to suck up any shavings.

If that doesn't work and you need to remove the cam adjuster, be careful and don't torque the retainer bolt too much. A couple of us have screwed up their cam adjusters while installing cams and I assume it was due to overtorquing that retainer bolt. I would install it just tightly enough to retain the pistons and get the cam adjuster removed. You can get the adjuster out by removing the intake cam.

You might want to buy an old school torque wrench from sears while you're there. The wrenches with the needle pointers are good for low torques.

<img src="http://dave-new.com/S4/engine_removal_may2007/DSCN1113.JPG"><ul><li><a href="http://www.sears.com/shc/s/p_10153_12605_00966196000P?vName=Tools">http://www.sears.com/shc/s/p_10153_12605_00966196000P?vName=Tools</a></li></ul>