Four Seasons 26742 Gasket Conditioning Review

This gasket conditioning product is a lifesaver for anyone who wants to keep their automotive engine running smoothly. The formula completely seals any potential coolant leaks and ensures that the engine remains cool even during hot weather conditions. One of the main benefits of this product is its ability to work on all types of gaskets, rubber, and metal components in your engine. The downside is that it might take a little extra effort to remove any excess residue from around the gasket…

Gaskets will not work in the aftermarket mode used on 1990 Olds. Get only a remanufactured OEM product that comes with the correct seals. I tried five times to get seals. They must be rated for HVAC and high pressure R-134 or they will fail after a year of use.

For my 1998 GMC Jimmy application, none of the o-rings that came with them will fit the old ones. The green ones are the only ones that might fit the new battery lead, but they were thinner than the old ones so I only used one when I dropped the o-ring to compare to what was in that package . My acdelco pro replacement compressor had 2 sets of metal/rubber washers so I did not test if the ones included in that set would work. The new Orifice tube also had its own little O-ring, so I didn't need