2002 Oldsmobile Bravada Speedometer/RPM/OPverheating

Tiny
RSHOBRATH
  • MEMBER
  • 2002 OLDSMOBILE BRAVADA
  • 4WD
  • AUTOMATIC
  • 170,000 MILES
I was driving home and all of the sudden my speedometer stopped working off/on sporadically. Then I was going about 40 mph and my rpms jumped up to 3 to 3 1/2. When I finally got home I heard a noise coming from under the hood and I could hear coolant bubbling as my car was overheating- but the gauge on my dash board while I was driving never indicated my car was overheating? Any ideas what the issue is? Thanks!
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Saturday, September 27th, 2014 AT 1:22 PM

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Tiny
HMAC300
  • EXPERT
Scan for codes first otherwise you are blind
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Saturday, September 27th, 2014 AT 3:55 PM

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