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Message: <blockquote data-quote="Revvingchevy" data-source="post: 25186" data-attributes="member: 8246"><p>I used a bottle of rislone heavy duty gasket sealer. I flowed the instructions very closely. That is an excellent product. It enabled me to drive it for about 500 miles (gentle driving) until I got the right headgasket kit and scheduled an appointment with my local backyard mechanic to replace the headgasket. I thought it would cost closer to $2000 but it came in less than $1500. It was worth it to us due to the condition and relatively low mileage on it. Just over 200km. Much cheaper and less hassle than getting another SUV.  Plus we really enjoy driving it and it's had no other big issues in 8 years of driving. So if you're going uphill on the highway and it starts to overheat it is likely a failing gasket causing exhaust gases to heat the coolant.</p></blockquote><p></p>