Bar's Leaks Tech Tip: Bad Head Gasket Causes Overheating

Bar’s Leaks Tech Tip: Bad Head Gasket Causes Overheating

Tech replaced water pump and radiator, and then turned to Bar’s Leaks Head Gasket Repair.

When a customer brings in a smoking, overheating, high-mileage vehicle and not much cash, what’s a tech to do?

Vehicle: 2002 Oldsmobile Bravada 

Mileage: 269,000

Problem: Vehicle overheating due to extensive cooling system issues.

Details: Customer’s good old Olds was overheating and blowing white smoke. The water pump was locked up, so the technician replaced it, as well as the thermostat, radiator and radiator cap. But on the test drive, the SUV started to overheat in just a few miles, with bubbling in the reservoir, lots of white smoke and coolant loss. 

It looked like it was time for a teardown to install a new head gasket. But the customer didn’t want to pour any more money into this vintage vehicle, so the tech turned to Bar’s Leaks.

He grabbed a bottle of Bar’s Leaks Professional Head Seal Blown Head Gasket Repair (HG-1), the strongest antifreeze-compatible sealant on the market. He knew that it would not only seal any head gasket damage but would also stop any other coolant leaks in the system. Plus, its Xtreme Cool additive would address the SUV’s overheating and bring the coolant temperature down.

He added Head Gasket Repair directly to the radiator, turned the heater on hot and the fan on high, and ran the engine until it hit normal operating temperature. There was still some white smoke, but he switched the engine off and let it cool back down. After topping off the radiator, he took it for another easy drive of about 15 minutes. Problem solved. No more smoke or overheating.

Conclusion: After 200 miles of driving, owner says the Bravada is running better than it has in a very long time. 

Like all Bar’s Leaks products, Professional Head Seal Blown Head Gasket Repair is made in the U.S.A. Based in Holly, Michigan, Bar’s Leaks is an ISO 9001 certified company. Learn more at

Bar’s Products
Phone: 248-634-8278Fax: 248-634-1505

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