Free-up 1951 Packard 288 Heat Riser

Posted by kunzea On 2019/6/3 20:21:30

My heat riser is stuck in a position where the split for the spring is horizontal. Is this open or closed? What is the effect of this being stuck in this position? How can I free this up? Do I have to remove both manifolds, separate them and then access the valve?

I started squirting the ends of the shaft with PB Blaster tonight. I'll tap and twist tomorrow, then re-apply PB Blaster and repeat twice daily.