Cooling system

Tiny
MANMADE72
  • MEMBER
  • 1990 CHEVROLET TRUCK
  • 6 CYL
  • 2WD
  • AUTOMATIC
1990 chevy 1500 keeps over heating and then cools back down while driving
Saturday, February 5th, 2011 AT 1:05 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,310 POSTS
Check to make sure the coolant is full. If it is, try replacing the thermostat. It could be sticking. If that doesn't help, flush the cooling system. Actually, flush the cooling system when replacing the thermostat. You will already have the coolant out.
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Sunday, March 13th, 2011 AT 4:12 AM

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