Coolant noise and overheats

1971 GMC C2500
136,000 MILES • V8 • 2WD • AUTOMATIC
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CATVMAN
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Hello,
when I am driving my truck and I come to a stop, I often hear a sudden loud rush of coolant when I accelerate. When I put a load on my truck such as pulling up hill, my temperature increases dramatically.

Any thoughts?
May 6, 2009 at 2:03 PM
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