Sheared off bolt

[Kurt S]

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Tracker1</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: RPOLS3</div><div class="ubbcode-body">Can you get the other bolt out, lift the t-stat housing off the intake and then after soaking the threads on the broken bolt with penetrating oil use vise grips to remove it? </div></div>

No, the sheared off bolt is holding the t-stat housing into the intake </div></div>
I'm confused. The t-stat housing isn't threaded - those are clearance holes in the housing. Remove the other bolt. Work the housing loose and remove it. Then remove the sheared off bolt.