Question about 1999 GMC Sierra 3500
You can get the special tools to remove it or some people take a air hammer with a pointed bit and give the edge of the nut a quick hit in the direction the fan spins to break loose the nut.And to tighten it thread it back on half way then start the engine and when it spins it will tighten it up.
Posted on Nov 29, 2008
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Posted on Jan 02, 2017
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