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gmcnoob · 02-27-2015, 06:16 AM

One more thing I wanted to mention was he told me to start using 15w40 instead of 10w30. I didn't really understand his explanation as to why I should do that.

I also read another thread that said to check my oil pressure sender and line... I had never considered that before. Is that a possibility?

02-27-2015, 06:16 AM	#102
gmcnoob Registered User Join Date: Aug 2012 Location: San Jose, California Posts: 96	Re: 86 GMC Sierra Classic 2500 questions One more thing I wanted to mention was he told me to start using 15w40 instead of 10w30. I didn't really understand his explanation as to why I should do that. I also read another thread that said to check my oil pressure sender and line... I had never considered that before. Is that a possibility? Last edited by gmcnoob; 02-27-2015 at 06:22 AM. Reason: Additional question