My take has always been that it was a cheap way for Subaru to try and get some of the vehicles out of warranty with out replacing the gaskets. engine does not use any oil and runs better than ever, and no bubbles in radiator when running. it’s got me and two other subaru mechanics baffled. but why does it overheat only at hi speeds especially up hills. could this be plugging the cooling system. now the kicker they tried to seal the head gasket with blue devil liquid head gasket repair. do you think lower pressure cap might help.
Antize coolant stop leak plus#
90 degree plus temps ied three different radiator caps no change. driving in city traffic in florida with ac on does not overheat at all. just drove 1400 miles from wisconsin to florida temp gauge went up to the three quarter mark and stayed there most of the trip, but did go up to almost red by forida the faster i go the more it overheats. i flushed the radiator and block used the special radiator funnel to fill it, making sure to get all the air out of the system. the faster i drive the more it overheats. the next long trip started to overheat again.let pressure out of radiator with vent cap. changed the radiator cap and was fine for a month, thought problem was solved not so. however the car never overheated until about a week after the repair, after a hundred miles into trip, temp gauge went up to the red pulled over put more coolant in.
Antize coolant stop leak drivers#
drivers side HG was leaking coolant and oil externally before the install. Had new head gaskets water pump, thermostat, all belts, timing and all pulleys installed at 198.000 miles. Stop leak in a Subaru Stop Leak In A Subaru EngineĢ001 outback 2.5 205,000 miles. Pictured below is the same stop leak crystallized in the cylinder head passages, and engine block passages there is now good way to remove it all is literally in solid chunks through out the cooling system. I have tried numerous time to suggest that Stop leak is a terrible idea, and will continue to try and post pictures as to why. As soon as the Technician removed the upper radiator hose we knew it was going to be bad. The car now needs a radiator, head gaskets, attempt to clean or replace the cylinder heads, most likely a engine block, all cooling system hoses and a heater core. The radiator was over 60% restricted after installation of the stop leak by another repair shop to the point where the vehicle overheated where as it never had any overheating problems prior to the stop leak being introduced into the cooling system.
Antize coolant stop leak full#
Pictured above is an upper radiator hose on a 2002 Subaru Outback as you can see in the picture it is full of stop leak.
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