1996 Buick Riviera Owner's Manual - Page 216
1996 Buick Riviera Manual
Page 216 highlights
4. Then fill the coolant recovery tank to FULL COLD. 5. Put the cap back on the coolant .recovery but tank; leave the radiator pressure off. cap 6. Start the engineand let it run untilyou can feel the getting hot. Watch out for the upper radiator hose engine fans , a 7. By this t h e the coolax$ level inside- radiator the filler neckmay be lower. If the levelis lower, add more of the propermix through the fillerneck until tlie level reaches the of the filler neck. base
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