steve6 Posted September 1, 2006 Report Share Posted September 1, 2006 I plan on changing my coolant in my 99 seville this weekend, I dont know if its ever been done. Is there any special filling procedures? Or just drop the old stuff out and refill through the overflow tank? Any purging or anything required? (and yes i plan on putting dexcool back in) Thanks p.s for anyone who had responded to the buick question i possed a few weeks ago, i changed the fuel pump and FPR, and it is now fixed. -steve Link to comment Share on other sites More sharing options...
JimD Posted September 1, 2006 Report Share Posted September 1, 2006 You can start reading here... http://caddyinfo.ipbhost.com/index.php?showtopic=10352 Jim Drive your car. Use your cell phone. CHOOSE ONE ! Link to comment Share on other sites More sharing options...
steve6 Posted September 1, 2006 Author Report Share Posted September 1, 2006 You can start reading here... http://caddyinfo.ipbhost.com/index.php?showtopic=10352 why the Bar's leak stuff, i dont have any leaks or anything now..? I dont really want to start pulling hoses off, I just want to drain the fluid from the raddrain and refill. I gotta find that stuff at a auto store in order to put it in. Link to comment Share on other sites More sharing options...
JimD Posted September 1, 2006 Report Share Posted September 1, 2006 Bar's Leaks is insurance. My '98 has a sticker under the hood that states: "4.6 LITER V-8 GASOLINE ENGINE MAINTANENCE PROCEDURE This engine requires the use of GM coolant supplement (sealant) and silicate free long life coolant meeting GM specification 6277M. When refilling the engine cooling system, add three pellets of engine coolant supplement (GM part #3634621) and coolant antifreeze (GM part #9985809) to the lower radiator hose. These tested and approved materials are available from Cadillac dealers." Bar's Leaks is the supplier of GM part #3634621 (or whatever the superceded part # is today). Jim Drive your car. Use your cell phone. CHOOSE ONE ! Link to comment Share on other sites More sharing options...
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