1993 Pontiac Trans Sport Owner's Manual - Page 236
1993 Pontiac Trans Sport Manual
Page 236 highlights
3.1L V 6 Adding Autm-atk Transaxle FluM Ehght?Ct The following explains your cooling system and howto add coolant when it is low. I you have a problem with f engine overheating,see the I d e x under Engine Overheating. The proper coolant for your Pontiac will: * Give freezing protection down to -34"F (-37"C). Give boiling protection up to 262°F (128°C). What t Use: n Use a mixture of one-half clean water (prefmbly distilled) and one-half antifreeze that meets"GM Specification 1825-M,"which won't damage aluminum parts. You can also use.a recycled coolant conforming GM to Specification 1825-M with a complete coolant flush and refill. you use this If mixture, you don't need to add anything else. I 3800 Vu: Adding Automatic Transaxle Fluid Protect against rust and corrosion. Help keep the proper engine temperature. Let the warning lights work they as should. 235 I..