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International Automotive Technicians Network
Re: GM Hot Hydroboost
Posted to HD/Fleet Forum on 7/21/2020

Sounds like you have a restriction of some sort in the system. Restrictions cause heat to build up. If the steering gear is in the system loop, (most of the GMs are), check for a hot spot with a temp gun, (it won't be a major temp difference like an A/C line, ... Login to read more.