I have 2000 GMC safari van, since Friday when I start it the temperature gauge needle fluctuates up and down for about two minutes before stabilizing.
What could it be? I am tired of getting ripped off.
Posted Oct 4th by Natsai the owner of a GMC Safari
Answers from the Automotive Experts
There could be a problem with your gauge. You would need someone to do a diagnostic test to find out.
You could also check to make sure that your coolant level is full. Check your coolant reservoir. This should be a plastic container with a hose connecting it to the radiator. Never open the radiator, since the system is under pressure and this could cause problems if opened. Always add coolant to the reservoir. If you're unsure about this, look in your owner's manual as to it's location.
Also check to see what type of coolant you need to add. Many manufacturers require that you purchase the coolant from them. You need to make sure that it is always a 50/50 mix of coolant and water.
There could be a problem with the thermostat too, but you would need to have these things checked by a technician. Hope this helps.
〉 Answered on Oct 5th, 2007 by Lori Johnson, Owner and Instructor at Ladies Start Your Engines