I have a 94 yukon and I have replace the t-sat and the water pum p what else would cause it to overheat?
Jan 14, 2013 at 7:47 AM
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JDL
✓Experienced Mechanic
16,098 POSTS
Are you losing coolant? Forget the temp gage for a moment. Are there any overheating issues, like coolant boiling over? Can you check for coolant flow through the system? Does the heater work?