#REHAB/RANCH: How to Tell if the Motor in Your GMC Motorhome is Bad? (pt. 2)

BY Jim Bounds—In this video, I discuss how to determine if your Olds 455 or 403 engine is bad. I forgot to demonstrate and talk about the importance of performing a compression test in part one. In part two, I dive right in, so follow along!

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By the way, here’s a video that the folks at MyMotorhomeLife.com made in 2021. It features Stef and Jared Kohl talking about their experience of owning a GMC Motorhome. Earlier episodes explore some of the issues potential owners need to take into account when considering the purchase of a GMC Motorhome.

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Guest contributor, Jim Bounds, writes and publishes videos as well as technical articles about the GMC Motorhome; explores its history; and takes the reader through some of the more challenging restoration projects he and his team have worked on over the years.