Leaderboard

Hello everyone I have an 89 Olds Cutlass Supreme with just under 274, 000 miles on it. It is a good car but does need some repairs on it. I am the 2nd owner and I have put over 150,000 miles on it myself. It has been a reliable car and has been well cared for. I think with me doing some repairs it can still go for many more miles.

Very good article! I am in the process of changing a heater core on a 92 Cutlass Supreme S with the 3.1 LHO VIN T engine. Replacing all the heater hoses too since they are getting old, and I might as well replace or modify the 800-401 heater hose connector. I only see one problem by doing the mod on my 3.1. The 5/8 heater hose that runs from barb to lower tube on heater core is going to be subject to lots of heat from the exhaust manifold. That's the reason there is a metal pipe to the connector, and then a formed hose on the other end of pipe to the heater core. If I did do the modification, the 5/8 heater hose would have to be in a heat sheath, and Advance Auto has one in stock that is 3/4" x 3'. https://shop.advanceautoparts.com/p/design-engineering-heat-sheath-aluminized-sleeving-3-4-x-3-010403/16120024-P?navigationPath=L1*14932|L2*14983|L3*15320|L4*-49996485 I don't worry about using the original band clamps any more for heater hoses. Once I started using Norma Torro worm drive hose clamps, cold leaks went bye bye, and they don't tear up the hose either. https://www.normagroup.com/norma/en/products/norma-torro/