How bad is it to run my truck in 4hi all the time

Asked by Ronnietrucks Jan 11, 2014 at 01:06 AM about the 1993 GMC Sierra C/K 1500

Question type: General

1 Answer
40,195

James answered 10 years ago

on the sierra it is a lock in type 4x4 and will scuff tires on curves ,reduce mileage by about 4 mpg, disconnect front drive shaft if stuck in 4wd or install a pair of warn hubs

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