Buick RIVIERA 1996 Owner Manual

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When adding coolant it is important that you use DEX- COOL '“ [orange-colored, silicate-free] coolant meeting GM Specification fiZ'FTM.

If amt-rated coolant is added to the system. premature engine, heater core or rad iatur corrosion may reanlL In addition. due engine coolant will require change sooner -- at moan miles [51} flflfl km} or 24 months whichever occurs first.

What to Use

_Use a mixture of one—halt .rrteart water (preferably dialilledj and one -ltalf DEX-COOL “" {orange—coloted. silicate-free: antifreeze that meets GM Specification 637? M. which won‘t damage almninum parts. Use GM Engine Coolant Supplement {sealer} (GM Part No. 3634fi21) with any complete coolant change. if you nae [hie mixture, you don't need It] add anything else.


Adding only plain water to your cooling system can he dangerous. Plain water, or some other liquid like alcohol, can boil before the proper coolant mix will. 1'tr'our vehicle’s coolant warning

system la set for the proper coolant mix. 1With plain water or the wrong mix. your engine could get too hot but you wouldn’t get the overheat warning. Your engine could catch fire and you or others could be burned. Use a sotso mix of clean water and DEX-COOL 1“ iorange-wlmed, silicate-free} antifreeze.

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