I sure like all that head gasket talk. My 95 Eldorado beauty recently started overheating (done it twice now) and I hear it's the HG b/c my coolant goes low just after it overheats.
I did find out that I had the wrong cap on the expansion tank and I had air in the system. After the first overheat 2 weeks ago I drained and refilled the coolant. 50/50 Dex/distilled but I didn't burp it much.
Well now it overheated for the 2nd time and so I had the system flushed today at Goodyear. Seems fine for now. They did a pressure test on the cooloing system, passed.
It's not missing, never has; It's never had a problem far as I can tell. I drove around in the heat today, the temp. stayed around 228F. Granted it's 100 degrees F in Tucson AZ.
And my oil looks good.
Is there any other way that exhaust can get into the coolant mix other than thru a breached headgasket? Could it be throttle body seals or pitting or something else??
One more Question; Is 130k a lot of miles for a Northstar compared to other engines? I thought these engines were revolutionary and love the hwy, plus some hard acceleration only makes them better! ?
