1998 GMC 1500 SLT

Asked by Ben Jun 12, 2018 at 08:26 AM about the 1998 GMC Sierra 1500

Question type: Maintenance & Repair

My 1998 GMC 1500 SLT with a 350 engine in it. It was
sitting for a while. When I first started driving it it was doing
fine until after about 2 hours of drive time. My gauges are
all inaccurate. I was told that a line could be clogged. I just
don't know what to do. I put antifreeze inside it, but it just
blows it out. Thank you in advance.

1 Answer

Ben answered 6 years ago

Just replaced the water pump and fan clutch. Found out the seal was leaking on it. This time it shut off when I had it going for a little rest drive.

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