Cooling system bubble? - ZR-1 Net Registry Forums

VetteMed · 06-30-2009

I drained and flushed my cooling system yesterday, following the recommended procedure. All seemed to go fine. However, now the temp gauge runs around midrange at idle, and quickly creeps up to 2/3 or 3/4 of max while driving. It didn't overheat, but did come close to 7/8 of the way to 260.

When I was following the flushing procedure, fluid WAS streaming from the tube that dumps into the coolant surge tank... so I wasn't worried about a bubble in the system as some have reported. However, something is clearly not right, so where should I begin?

06-30-2009	#1
VetteMed Join Date: Mar 2009 Location: Orlando, FL Posts: 1,816	Cooling system bubble? I drained and flushed my cooling system yesterday, following the recommended procedure. All seemed to go fine. However, now the temp gauge runs around midrange at idle, and quickly creeps up to 2/3 or 3/4 of max while driving. It didn't overheat, but did come close to 7/8 of the way to 260. When I was following the flushing procedure, fluid WAS streaming from the tube that dumps into the coolant surge tank... so I wasn't worried about a bubble in the system as some have reported. However, something is clearly not right, so where should I begin?

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