I agree with reaper4tour. Make Sears sign on the dotted line that it was Penzoil's fault. These placed hate bad publicity, so let them know how far you will go.
reaper4tour, which costco do you work at?

99 CSVT Green/Tan 13,700Km
# 84 of 2760

For Sale
96 Contour GL 2.5 ATX 120,000Km
K&N Air Filter
Mobile 1
E1 SVT Wheels & BFG G-Force Rubber
Aluminum Painted Front Grill