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Cooling system flush after Bar's Stop-Leak use

  

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1998 Toyota Camry - 2.2L 4 cyl, A/T, 113K original miles -(2nd transmission) - no scans/codes.

So I goofed: The head gasket on my car is leaking (reservoir fluid disappears weekly)...no overheating (yet). 5S-FE engine is known for blown head gaskets.

I used Bar's Cooling System Radiator and Heater Core Stop Leak (It was all they had and I was worried that the system would completely fail)  I was low on $$.  I've got time to work on the car now.

I'm planning on pulling the head and sending it out (assuming its warped) for full service and replacing the H Gasket and H bolts.

I need advice: I want to fully clean out the cooling system of this Stop-Leak stuff before pulling the head off.  How to go about it and what chemicals/brands to use.  I realize that the T-stat will be replaced and possibly the rad.  I WILL be replacing the heater core as well.

Please advise as to chemicals/brands/procedures/experiences/cautions.  Thanks!


3 Answers
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Posted by: @alex1969

I want to fully clean out the cooling system of this Stop-Leak

It was designed to not come out. That's why it's a last resort.


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Follow the directions on the can.  Advice - replace the head gasket only with Toyota OEM and use ARP studs instead of bolts.  Head bolts only get torqued to 55lbs whereas ARP studs get torqued to 85lbs.


1

@alex1969, why the down vote?  Replacing the heater core and thermostat is a really good idea.  Radiator cap too.  Hope it didn't clog the radiator itself.  A regular Prestone cooling system flush kit should do the job.


Sorry-I'm a lousy (noob) to this message board stuff - late night error - Thanks for your help. This repair is really going to be a PITA!


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